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   AS65000 BGP Routing Table Analysis Report












   
  BGP data obtained from AS65000
Report last updated at Tue Jan 28 22:10:16 2020 (UTC+1000).
 

Active BGP entries (FIB)


Table Size Metrics

The trend of the size of the BGP Forwarding Table (FIB). Also the underlying BGP Routing Table (RIB). The RIB/FIB ratio is a function of the number of BGP peering sessions at the sample point. Some RIB entries are marked as unusable as an outcome of protocol operation, and these categories of unusable advertisements are tracked.

FIB / RIB Table Reports (plots)Data Sets(txt)
Active BGP entries (FIB)817415   Change in FIB Size142   Change (%)0.017
    All BGP entries (RIB)1603349
    RIB/FIB ratio (1603349/817415)1.9615
      Valid entries1603349
      Suppressed RIB entries0
      Damped entries0
      History entries0

Address Span Metrics

The total span of address space advertised in the BGP table, and the relationship of this value to the number and size of address prefix objects in the table.

Address Space Reports (plots)Data Sets(txt)
Total address space advertised (/32 equiv)2852885164
    Total address space advertised (prefix length)0.59022547
    Percentage of IPv4 space advertised (2852885164/4294967295)66.423909
    Total address space advertised - corrected to 19 /8s(data)
Average address span 3490
    Average address span (as prefix size)20.2310
Average prefix length22.7514

More Specifics

The characteristics of more specific advertisements - where an advertisement is associated with a sub-span of address space of another advertisement. The metrics also look at the degree of similarity of the AS paths of the specific advertisements to the encompassing aggregate.

More-Specific Advertisement Reports (plots)Data Sets(txt)  Percentage Reports (plots)Data Sets(txt)
Entries advertising more specific prefixes of aggregates429078       Specifics as % of FIB entries (429078/817415)52.4921
    Specifics as % of address span (1077551664/2852885164)37.7706    
    Specifics where AS prepended Path matches aggregate190324         AS-P_Path-Match % (190324/429078)44.36
    AS Path matches aggregate198395         AS-Path-Match % (198395/429078)46.2375
    AS Origin matches aggregate323344         AS-Origin-Match % (323344/429078)75.3579
    Root Prefixes388337
Root Prefix Tree Depth(data)
      Root Prefixes with depth 0337893
      Root Prefixes with depth 140434
      Root Prefixes with depth 28097
      Root Prefixes with depth 31463
      Root Prefixes with depth 4342
      Root Prefixes with depth 576
      Root Prefixes with depth 624
      Root Prefixes with depth 78

AS Numbers

The time trend of the number of unique AS numbers advertised within the BGP table. The associated metrics characterise AS's into origin only, transit only, or mixed (origin and transit), and also look at the trends of advertised address space as related to the number of ASes.

AS Reports (plots)Data Sets(txt)  Additional Reports (plots)Data Sets(txt)
Unique ASes67049       ASes visible in only one AS path41465
    Origin only ASes57330         Origin ASs announced via a single AS path41062
    Transit only ASes309       Originating AS ATOM count66740
    Mixed ASes9410         Originating AS ATOM compression0.0816
    Multi-Origin Prefixes2028    
    ASes originating a single prefix24086    
    Average entries per origin AS12.2478         Maximum entries for an origin AS (AS55410)617
    Average address range span for an origin AS42746.2566         Maximum address range for an origin AS (AS4134)116345088

AS Paths

The time trend of the number of unique AS Paths advertised within the BGP table. The associated metrics look at trends of average path length, and BGP table entries per path.

AS Reports (plots)Data Sets(txt)  Additional Reports (plots)Data Sets(txt)
Unique AS Paths202030       Unique AS prepended Paths215580
AS Paths used in FIB105338       AS Paths using prepending53908
    AS paths associated with a single FIB entry48713       AS Paths using private ASs39
    Average AS path length5.5585       Number of Prefixes with Selected AS Prepending Paths106421
      Maximum AS Path length14       Number of Prefixes with AS Prepending Paths106421
    Average address weighted AS path length7.0261         Maximum prepended AS Path length36
    Average entries per AS Path4.0460       Average entries per FIB AS Path7.7599
    AS Paths per origin AS3.0271       FIB AS Paths per origin AS1.5783
      AS PATH ATOM compression0.1289    

Prefix Length Distributions

The time trend of the distribution of BGP Table entries by address prefix length.

Prefix Length Reports (plots)Data Sets(txt)  Percentage Reports (plots)Data Sets(txt)
Prefix Count(data)   % Prefix distribution(data)
    Prefix count /810       % Prefix /80.00
    Prefix count /911       % Prefix /90.00
    Prefix count /1038       % Prefix /100.00
    Prefix count /1198       % Prefix /110.01
    Prefix count /12289       % Prefix /120.04
    Prefix count /13580       % Prefix /130.07
    Prefix count /141158       % Prefix /140.14
    Prefix count /151969       % Prefix /150.24
    Prefix count /1613425       % Prefix /161.64
    Prefix count /178323       % Prefix /171.02
    Prefix count /1814013       % Prefix /181.71
    Prefix count /1926334       % Prefix /193.22
    Prefix count /2041501       % Prefix /205.08
    Prefix count /2149449       % Prefix /216.05
    Prefix count /22100331       % Prefix /2212.27
    Prefix count /2384889       % Prefix /2310.39
    Prefix count /24473474       % Prefix /2457.92
    Prefix count /251379       % Prefix /250.17
    Prefix count /2612       % Prefix /260.00
    Prefix count /2740       % Prefix /270.00
    Prefix count /2831       % Prefix /280.00
    Prefix count /2931       % Prefix /290.00
    Prefix count /3028       % Prefix /300.00
    Prefix count /312       % Prefix /310.00
    Prefix count /320       % Prefix /320.00

Root Prefix Length Distributions

The time trend of the distribution of Root BGP Table entries by address prefix length.

Root Prefix Length Reports (plots)Data Sets(txt)  Percentage Reports (plots)Data Sets(txt)
Root Prefix Count(data)   % Prefix distribution(data)
    Prefix count /810       % Prefix /80.00
    Prefix count /96       % Prefix /90.00
    Prefix count /1038       % Prefix /100.01
    Prefix count /1191       % Prefix /110.02
    Prefix count /12248       % Prefix /120.06
    Prefix count /13475       % Prefix /130.12
    Prefix count /14982       % Prefix /140.25
    Prefix count /151585       % Prefix /150.41
    Prefix count /1610179       % Prefix /162.62
    Prefix count /174406       % Prefix /171.13
    Prefix count /187059       % Prefix /181.82
    Prefix count /1915188       % Prefix /193.91
    Prefix count /2020346       % Prefix /205.24
    Prefix count /2122019       % Prefix /215.67
    Prefix count /2256327       % Prefix /2214.50
    Prefix count /2334405       % Prefix /238.86
    Prefix count /24214960       % Prefix /2455.35
    Prefix count /259       % Prefix /250.00
    Prefix count /260       % Prefix /260.00
    Prefix count /271       % Prefix /270.00
    Prefix count /280       % Prefix /280.00
    Prefix count /290       % Prefix /290.00
    Prefix count /303       % Prefix /300.00
    Prefix count /310       % Prefix /310.00
    Prefix count /320       % Prefix /320.00

AS Diameter Reports

The time trend of the reacahbility of addresses and AS's using AS distance from the sample point to the origin AS as the diameter metric.

AS Diameter Reports (plots)Data Sets(txt)  Percentage Reports (plots)Data Sets(txt)
Addresses by AS distance(data)   Address percentage by AS distance(data)
    Addresses at AS distance 0256       % Addresses at AS distance 00.0
    Addresses at AS distance 111520       % Addresses at AS distance 10.0
    Addresses at AS distance 2159174088       % Addresses at AS distance 24.0
    Addresses at AS distance 3994947060       % Addresses at AS distance 325.3
    Addresses at AS distance 41508013216       % Addresses at AS distance 438.4
    Addresses at AS distance 5961704704       % Addresses at AS distance 524.5
    Addresses at AS distance 6234839168       % Addresses at AS distance 66.0
    Addresses at AS distance 736705536       % Addresses at AS distance 70.9
    Addresses at AS distance 817888128       % Addresses at AS distance 80.5
    Addresses at AS distance 910071296       % Addresses at AS distance 90.3
    Addresses at AS distance 107037568       % Addresses at AS distance 100.2
    Addresses at AS distance 1143520       % Addresses at AS distance 110.0
    Addresses at AS distance 12768       % Addresses at AS distance 120.0
    Addresses at AS distance 130       % Addresses at AS distance 130.0
     
Cumulative Address by AS distance(data)   Cumulative % Address by AS distance(data)
    Addresses reachable within 0 AS hops256       % Addresses reachable within 0 AS hops0
    Addresses reachable within 1 AS hops11776       % Addresses reachable within 1 AS hops0
    Addresses reachable within 2 AS hops159185864       % Addresses reachable within 2 AS hops4
    Addresses reachable within 3 AS hops1154132924       % Addresses reachable within 3 AS hops29
    Addresses reachable within 4 AS hops2662146140       % Addresses reachable within 4 AS hops67
    Addresses reachable within 5 AS hops3623850844       % Addresses reachable within 5 AS hops92
    Addresses reachable within 6 AS hops3858690012       % Addresses reachable within 6 AS hops98
    Addresses reachable within 7 AS hops3895395548       % Addresses reachable within 7 AS hops99
    Addresses reachable within 8 AS hops3913283676       % Addresses reachable within 8 AS hops99
    Addresses reachable within 9 AS hops3923354972       % Addresses reachable within 9 AS hops99
    Addresses reachable within 10 AS hops3930392540       % Addresses reachable within 10 AS hops99
    Addresses reachable within 11 AS hops3930436060       % Addresses reachable within 11 AS hops99
    Addresses reachable within 12 AS hops3930436828       % Addresses reachable within 12 AS hops100
    Addresses reachable within 13 AS hops3930436828       % Addresses reachable within 13 AS hops100
     
ASes by AS distance(data)   % ASes by AS hops(data)
    ASes reachable at 0 AS hops1       % ASes reachable at 0 AS hops0
    ASes reachable at 1 AS hops3       % ASes reachable at 1 AS hops0
    ASes reachable at 2 AS hops301       % ASes reachable at 2 AS hops0
    ASes reachable at 3 AS hops3520       % ASes reachable at 3 AS hops5
    ASes reachable at 4 AS hops22162       % ASes reachable at 4 AS hops33
    ASes reachable at 5 AS hops30135       % ASes reachable at 5 AS hops44
    ASes reachable at 6 AS hops8852       % ASes reachable at 6 AS hops13
    ASes reachable at 7 AS hops1485       % ASes reachable at 7 AS hops2
    ASes reachable at 8 AS hops348       % ASes reachable at 8 AS hops0
    ASes reachable at 9 AS hops135       % ASes reachable at 9 AS hops0
    ASes reachable at 10 AS hops97       % ASes reachable at 10 AS hops0
    ASes reachable at 11 AS hops10       % ASes reachable at 11 AS hops0
    ASes reachable at 12 AS hops0       % ASes reachable at 12 AS hops0
    ASes reachable at 13 AS hops0       % ASes reachable at 13 AS hops0
     
Cumulative ASes by AS hops(data)   Cumulative % ASes by AS hops(data)
    ASes reachable by 0 AS hops1       Cumulative % ASes by AS hops 00.0
    ASes reachable by 1 AS hops4       Cumulative % ASes by AS hops 10.0
    ASes reachable by 2 AS hops305       Cumulative % ASes by AS hops 20.5
    ASes reachable by 3 AS hops3825       Cumulative % ASes by AS hops 35.7
    ASes reachable by 4 AS hops25987       Cumulative % ASes by AS hops 438.8
    ASes reachable by 5 AS hops56122       Cumulative % ASes by AS hops 583.7
    ASes reachable by 6 AS hops64974       Cumulative % ASes by AS hops 696.9
    ASes reachable by 7 AS hops66459       Cumulative % ASes by AS hops 799.1
    ASes reachable by 8 AS hops66807       Cumulative % ASes by AS hops 899.6
    ASes reachable by 9 AS hops66942       Cumulative % ASes by AS hops 999.8
    ASes reachable by 10 AS hops67039       Cumulative % ASes by AS hops 10100.0
    ASes reachable by 11 AS hops67049       Cumulative % ASes by AS hops 11100.0
    ASes reachable by 12 AS hops67049       Cumulative % ASes by AS hops 12100.0
    ASes reachable by 13 AS hops67049       Cumulative % ASes by AS hops 13100.0

BGP Update Reports

Compares the current BGP Table with the previous table and reports on the number of changes in the FIB. These changes are further categorised into announcements, withdrawls and path changes, and further categorised by prefix length.

FIB Update ReportsData  AnnounceData  WithdrawData  Path ChgData
Table Updates95301   New Entries733   Removed Entries581   Updated Entries93987
     Report     Report     Report 
    Address Span329962580       Address Span754432       Address Span670848       Address Span328537300
    Average address span per update3462       Avg Span1029       Avg Span1154       Avg Span3495
    Average prefix size updated23.00       Average prefix size23.35       Average prefix size22.91       Average prefix size23.00
Per-Prefix updates(data)       Prefix announcements(data)       Prefix withdrawals(data)       Prefix path updates(data)
      Prefix /10 total1         Prefix /10 announcements0         Prefix /10 withdrawals0         Prefix /10 path updates1
      Prefix /11 total4         Prefix /11 announcements0         Prefix /11 withdrawals0         Prefix /11 path updates4
      Prefix /12 total14         Prefix /12 announcements0         Prefix /12 withdrawals0         Prefix /12 path updates14
      Prefix /13 total33         Prefix /13 announcements0         Prefix /13 withdrawals0         Prefix /13 path updates33
      Prefix /14 total85         Prefix /14 announcements0         Prefix /14 withdrawals0         Prefix /14 path updates85
      Prefix /15 total136         Prefix /15 announcements0         Prefix /15 withdrawals0         Prefix /15 path updates136
      Prefix /16 total2090         Prefix /16 announcements1         Prefix /16 withdrawals0         Prefix /16 path updates2089
      Prefix /17 total683         Prefix /17 announcements4         Prefix /17 withdrawals0         Prefix /17 path updates679
      Prefix /18 total1003         Prefix /18 announcements3         Prefix /18 withdrawals3         Prefix /18 path updates997
      Prefix /19 total2059         Prefix /19 announcements9         Prefix /19 withdrawals25         Prefix /19 path updates2025
      Prefix /20 total3004         Prefix /20 announcements42         Prefix /20 withdrawals31         Prefix /20 path updates2931
      Prefix /21 total4613         Prefix /21 announcements26         Prefix /21 withdrawals38         Prefix /21 path updates4549
      Prefix /22 total9793         Prefix /22 announcements38         Prefix /22 withdrawals93         Prefix /22 path updates9662
      Prefix /23 total9985         Prefix /23 announcements57         Prefix /23 withdrawals66         Prefix /23 path updates9862
      Prefix /24 total61272         Prefix /24 announcements553         Prefix /24 withdrawals324         Prefix /24 path updates60395
      Prefix /25 total469         Prefix /25 announcements0         Prefix /25 withdrawals1         Prefix /25 path updates468
      Prefix /26 total4         Prefix /26 announcements0         Prefix /26 withdrawals0         Prefix /26 path updates4
      Prefix /27 total10         Prefix /27 announcements0         Prefix /27 withdrawals0         Prefix /27 path updates10
      Prefix /28 total16         Prefix /28 announcements0         Prefix /28 withdrawals0         Prefix /28 path updates16
      Prefix /29 total10         Prefix /29 announcements0         Prefix /29 withdrawals0         Prefix /29 path updates10
      Prefix /30 total17         Prefix /30 announcements0         Prefix /30 withdrawals0         Prefix /30 path updates17
      Prefix /31 total0         Prefix /31 announcements0         Prefix /31 withdrawals0         Prefix /31 path updates0
      Prefix /32 total0         Prefix /32 announcements0         Prefix /32 withdrawals0         Prefix /32 path updates0
Update rate, normalized by prefix count Announce   Withdraw   Path Chg 
      Prefix /8 total0.00         Prefix /8 announcements0.00         Prefix /8 withdrawals0.00         Prefix /8 path updates0.00
      Prefix /9 total0.00         Prefix /9 announcements0.00         Prefix /9 withdrawals0.00         Prefix /9 path updates0.00
      Prefix /10 total0.23         Prefix /10 announcements0.00         Prefix /10 withdrawals0.00         Prefix /10 path updates0.23
      Prefix /11 total0.35         Prefix /11 announcements0.00         Prefix /11 withdrawals0.00         Prefix /11 path updates0.35
      Prefix /12 total0.42         Prefix /12 announcements0.00         Prefix /12 withdrawals0.00         Prefix /12 path updates0.42
      Prefix /13 total0.49         Prefix /13 announcements0.00         Prefix /13 withdrawals0.00         Prefix /13 path updates0.49
      Prefix /14 total0.63         Prefix /14 announcements0.00         Prefix /14 withdrawals0.00         Prefix /14 path updates0.64
      Prefix /15 total0.59         Prefix /15 announcements0.00         Prefix /15 withdrawals0.00         Prefix /15 path updates0.60
      Prefix /16 total1.34         Prefix /16 announcements0.08         Prefix /16 withdrawals0.00         Prefix /16 path updates1.35
      Prefix /17 total0.70         Prefix /17 announcements0.54         Prefix /17 withdrawals0.00         Prefix /17 path updates0.71
      Prefix /18 total0.61         Prefix /18 announcements0.24         Prefix /18 withdrawals0.30         Prefix /18 path updates0.62
      Prefix /19 total0.67         Prefix /19 announcements0.38         Prefix /19 withdrawals1.34         Prefix /19 path updates0.67
      Prefix /20 total0.62         Prefix /20 announcements1.13         Prefix /20 withdrawals1.05         Prefix /20 path updates0.61
      Prefix /21 total0.80         Prefix /21 announcements0.59         Prefix /21 withdrawals1.08         Prefix /21 path updates0.80
      Prefix /22 total0.84         Prefix /22 announcements0.42         Prefix /22 withdrawals1.30         Prefix /22 path updates0.84
      Prefix /23 total1.01         Prefix /23 announcements0.75         Prefix /23 withdrawals1.09         Prefix /23 path updates1.01
      Prefix /24 total1.11         Prefix /24 announcements1.30         Prefix /24 withdrawals0.96         Prefix /24 path updates1.11
      Prefix /25 total2.92         Prefix /25 announcements0.00         Prefix /25 withdrawals1.02         Prefix /25 path updates2.95
      Prefix /26 total2.86         Prefix /26 announcements0.00         Prefix /26 withdrawals0.00         Prefix /26 path updates2.90
      Prefix /27 total2.14         Prefix /27 announcements0.00         Prefix /27 withdrawals0.00         Prefix /27 path updates2.17
      Prefix /28 total4.43         Prefix /28 announcements0.00         Prefix /28 withdrawals0.00         Prefix /28 path updates4.49
      Prefix /29 total2.77         Prefix /29 announcements0.00         Prefix /29 withdrawals0.00         Prefix /29 path updates2.81
      Prefix /30 total5.21         Prefix /30 announcements0.00         Prefix /30 withdrawals0.00         Prefix /30 path updates5.28
      Prefix /31 total0.00         Prefix /31 announcements0.00         Prefix /31 withdrawals0.00         Prefix /31 path updates0.00
      Prefix /32 total0.00         Prefix /32 announcements100.00         Prefix /32 withdrawals100.00         Prefix /32 path updates100.00

FIB Update Rate Reports
Updates per hour
(Measurement Period 1 hrs 0 mins)
Data  Announce RateData  Withdraw RateData  Path Chg RateData
Table Updates95274.531   New Entries732.796   Removed Entries580.839   Updated Entries93960.898
    Address Span329870944.000       Address Span754222.500       Address Span670661.688       Address Span328446080.000
    Average address span per update3461.039       Avg Span1028.714       Avg Span1153.680       Avg Span3494.030
Per-Prefix updates(data)       Prefix announcements(data)       Prefix withdrawals(data)       Prefix path updates(data)
      Prefix /1 update rate0.000         Prefix /1 announcements0.000         Prefix /1 withdrawals0.000         Prefix /1 path updates0.000
      Prefix /2 update rate0.000         Prefix /2 announcements0.000         Prefix /2 withdrawals0.000         Prefix /2 path updates0.000
      Prefix /3 update rate0.000         Prefix /3 announcements0.000         Prefix /3 withdrawals0.000         Prefix /3 path updates0.000
      Prefix /4 update rate0.000         Prefix /4 announcements0.000         Prefix /4 withdrawals0.000         Prefix /4 path updates0.000
      Prefix /5 update rate0.000         Prefix /5 announcements0.000         Prefix /5 withdrawals0.000         Prefix /5 path updates0.000
      Prefix /6 update rate0.000         Prefix /6 announcements0.000         Prefix /6 withdrawals0.000         Prefix /6 path updates0.000
      Prefix /7 update rate0.000         Prefix /7 announcements0.000         Prefix /7 withdrawals0.000         Prefix /7 path updates0.000
      Prefix /8 update rate0.000         Prefix /8 announcements0.000         Prefix /8 withdrawals0.000         Prefix /8 path updates0.000
      Prefix /9 update rate0.000         Prefix /9 announcements0.000         Prefix /9 withdrawals0.000         Prefix /9 path updates0.000
      Prefix /10 update rate1.000         Prefix /10 announcements0.000         Prefix /10 withdrawals0.000         Prefix /10 path updates1.000
      Prefix /11 update rate3.999         Prefix /11 announcements0.000         Prefix /11 withdrawals0.000         Prefix /11 path updates3.999
      Prefix /12 update rate13.996         Prefix /12 announcements0.000         Prefix /12 withdrawals0.000         Prefix /12 path updates13.996
      Prefix /13 update rate32.991         Prefix /13 announcements0.000         Prefix /13 withdrawals0.000         Prefix /13 path updates32.991
      Prefix /14 update rate84.976         Prefix /14 announcements0.000         Prefix /14 withdrawals0.000         Prefix /14 path updates84.976
      Prefix /15 update rate135.962         Prefix /15 announcements0.000         Prefix /15 withdrawals0.000         Prefix /15 path updates135.962
      Prefix /16 update rate2089.420         Prefix /16 announcements1.000         Prefix /16 withdrawals0.000         Prefix /16 path updates2088.420
      Prefix /17 update rate682.810         Prefix /17 announcements3.999         Prefix /17 withdrawals0.000         Prefix /17 path updates678.811
      Prefix /18 update rate1002.721         Prefix /18 announcements2.999         Prefix /18 withdrawals2.999         Prefix /18 path updates996.723
      Prefix /19 update rate2058.428         Prefix /19 announcements8.998         Prefix /19 withdrawals24.993         Prefix /19 path updates2024.438
      Prefix /20 update rate3003.166         Prefix /20 announcements41.988         Prefix /20 withdrawals30.991         Prefix /20 path updates2930.186
      Prefix /21 update rate4611.719         Prefix /21 announcements25.993         Prefix /21 withdrawals37.989         Prefix /21 path updates4547.737
      Prefix /22 update rate9790.280         Prefix /22 announcements37.989         Prefix /22 withdrawals92.974         Prefix /22 path updates9659.316
      Prefix /23 update rate9982.228         Prefix /23 announcements56.984         Prefix /23 withdrawals65.982         Prefix /23 path updates9859.262
      Prefix /24 update rate61254.984         Prefix /24 announcements552.846         Prefix /24 withdrawals323.910         Prefix /24 path updates60378.227
      Prefix /25 update rate468.870         Prefix /25 announcements0.000         Prefix /25 withdrawals1.000         Prefix /25 path updates467.870
      Prefix /26 update rate3.999         Prefix /26 announcements0.000         Prefix /26 withdrawals0.000         Prefix /26 path updates3.999
      Prefix /27 update rate9.997         Prefix /27 announcements0.000         Prefix /27 withdrawals0.000         Prefix /27 path updates9.997
      Prefix /28 update rate15.996         Prefix /28 announcements0.000         Prefix /28 withdrawals0.000         Prefix /28 path updates15.996
      Prefix /29 update rate9.997         Prefix /29 announcements0.000         Prefix /29 withdrawals0.000         Prefix /29 path updates9.997
      Prefix /30 update rate16.995         Prefix /30 announcements0.000         Prefix /30 withdrawals0.000         Prefix /30 path updates16.995
      Prefix /31 update rate0.000         Prefix /31 announcements0.000         Prefix /31 withdrawals0.000         Prefix /31 path updates0.000
      Prefix /32 update rate0.000         Prefix /32 announcements0.000         Prefix /32 withdrawals0.000         Prefix /32 path updates0.000

Path Updates - Breakdown by Update Type

Examines those updates that involved a change of AS Path and breaks this down into five categories:

TotalData  OriginData  Origin Next HopData  TransitData  First HopData  PrependData
Total Path Changes22633   Origin Paths174   NextHop Paths4164   Transit Paths4002   Paths14271   Paths22
 Report
      /10 Tot1         /10 Org0         /10 Nxt0         /10 Trn1         /10 Fst0         /10 Prp0
      /11 Tot4         /11 Org0         /11 Nxt1         /11 Trn3         /11 Fst0         /11 Prp0
      /12 Tot14         /12 Org0         /12 Nxt7         /12 Trn4         /12 Fst3         /12 Prp0
      /13 Tot33         /13 Org0         /13 Nxt21         /13 Trn4         /13 Fst8         /13 Prp0
      /14 Tot85         /14 Org0         /14 Nxt53         /14 Trn27         /14 Fst5         /14 Prp0
      /15 Tot136         /15 Org0         /15 Nxt70         /15 Trn59         /15 Fst7         /15 Prp0
      /16 Tot2089         /16 Org8         /16 Nxt990         /16 Trn981         /16 Fst102         /16 Prp8
      /17 Tot679         /17 Org2         /17 Nxt187         /17 Trn438         /17 Fst51         /17 Prp1
      /18 Tot997         /18 Org9         /18 Nxt325         /18 Trn564         /18 Fst90         /18 Prp9
      /19 Tot2025         /19 Org11         /19 Nxt486         /19 Trn1212         /19 Fst306         /19 Prp10
      /20 Tot2931         /20 Org5         /20 Nxt855         /20 Trn1702         /20 Fst358         /20 Prp11
      /21 Tot4549         /21 Org12         /21 Nxt1213         /21 Trn2788         /21 Fst526         /21 Prp10
      /22 Tot9662         /22 Org29         /22 Nxt2293         /22 Trn5926         /22 Fst1406         /22 Prp8
      /23 Tot9862         /23 Org15         /23 Nxt2420         /23 Trn6195         /23 Fst1228         /23 Prp4
      /24 Tot60395         /24 Org138         /24 Nxt12388         /24 Trn36550         /24 Fst11287         /24 Prp32
      /25 Tot468         /25 Org71         /25 Nxt25         /25 Trn0         /25 Fst372         /25 Prp0
      /26 Tot4         /26 Org1         /26 Nxt3         /26 Trn0         /26 Fst0         /26 Prp0
      /27 Tot10         /27 Org2         /27 Nxt6         /27 Trn0         /27 Fst2         /27 Prp0
      /28 Tot16         /28 Org8         /28 Nxt5         /28 Trn0         /28 Fst3         /28 Prp0
      /29 Tot10         /29 Org4         /29 Nxt6         /29 Trn0         /29 Fst0         /29 Prp0
      /30 Tot17         /30 Org5         /30 Nxt7         /30 Trn0         /30 Fst5         /30 Prp0
      /31 Tot0         /31 Org0         /31 Nxt0         /31 Trn0         /31 Fst0         /31 Prp0
      /32 Tot0         /32 Org0         /32 Nxt0         /32 Trn0         /32 Fst0         /32 Prp0

AS Announcement Reports

The time trend of total span of address space advertised by ASes, using truncated prefix length as the span metric.

AS Announcements ReportsData Sets(txt)  Percentage ReportsData
Originating Addresses AS Count(data)   Originating Addresses % AS Count(data)
    AS's announcing span of /56       % AS's announcing span of /50.0001
    AS's announcing span of /69       % AS's announcing span of /60.0001
    AS's announcing span of /726       % AS's announcing span of /70.0004
    AS's announcing span of /839       % AS's announcing span of /80.0006
    AS's announcing span of /982       % AS's announcing span of /90.0012
    AS's announcing span of /10106       % AS's announcing span of /100.0016
    AS's announcing span of /11170       % AS's announcing span of /110.0025
    AS's announcing span of /12250       % AS's announcing span of /120.0037
    AS's announcing span of /13438       % AS's announcing span of /130.0066
    AS's announcing span of /14872       % AS's announcing span of /140.0131
    AS's announcing span of /151731       % AS's announcing span of /150.0260
    AS's announcing span of /161880       % AS's announcing span of /160.0282
    AS's announcing span of /172331       % AS's announcing span of /170.0350
    AS's announcing span of /183776       % AS's announcing span of /180.0566
    AS's announcing span of /194973       % AS's announcing span of /190.0746
    AS's announcing span of /207033       % AS's announcing span of /200.1055
    AS's announcing span of /219466       % AS's announcing span of /210.1420
    AS's announcing span of /2211488       % AS's announcing span of /220.1723
    AS's announcing span of /236827       % AS's announcing span of /230.1024
    AS's announcing span of /2415168       % AS's announcing span of /240.2275
    AS's announcing span of /2513       % AS's announcing span of /250.0002
    AS's announcing span of /260       % AS's announcing span of /260.0000
    AS's announcing span of /270       % AS's announcing span of /270.0000
    AS's announcing span of /281       % AS's announcing span of /280.0000
    AS's announcing span of /290       % AS's announcing span of /290.0000
    AS's announcing span of /300       % AS's announcing span of /300.0000
    AS's announcing span of /310       % AS's announcing span of /310.0000
    AS's announcing span of /320       % AS's announcing span of /320.0000

AS Connectivity Reports

This set of reports lists all visible AS's using a number of ordering criteria. The reports order AS's by the total span of addresses originated by an AS, the total span of addresses reachable via an AS, and the totspan of originating plus transit addresses via each AS. Each AS in an AS path has an adjacent AS closer to the sample point, and an adjacent AS further from the sample point. The number of such pairwise adjacencies is reported for each AS. The average AS Connectivity Degree is the average number of adjacent AS's for an AS.

  
AS Connectivity ReportData
AS Adjacency Count110438
Average AS Connectivity Degree (220876/67049)3.2942
Average AS Connectivity IN:OUT Degree0.1516
AS Names
AS's ordered by Originating Address
AS's ordered by Transit Address
AS's ordered by Originating + Transit Address
AS's ordered by AS Adjacency
AS's ordered by Downstream AS Adjacency
AS's ordered by Upstream AS Adjacency
AS Adjacency
Inconsistent Origin AS Prefixes

Aggregation Reports

This set of reports lists all potential aggregation of a number of specific routes into an aggregate route. The aggregation criteria include a match of the original AS path, which may include prepended AS's, a match of the reduced AS Path, and a match on the Origin AS only. As this view is taken from a single sample point, this list is not definitive, and the report will propose potential aggregation actions which may not be feasible for the Origin AS. The report also applies a prefix length filter to all prefixes, accepting only those prefixes which pass the following ruleset:

Aggregation possibilities are identified within this filtered prefix set.

Route Aggregation ReportsData
Aggregation Potential Summary(data)
Aggregation Potential Summary(data)
    Aggregation using prepended AS Path442293Report (sort by %reduction)Report (sort by reduction)BGP Table
    Aggregation using AS Path432712Report (sort by %reduction)Report (sort by reduction)BGP Table
    Aggregation using AS Origin308265Report (sort by %reduction)Report (sort by reduction)BGP Table
    Maximal Aggregation308333Report (sort by %reduction)Report (sort by reduction)BGP Table

BGP Table
BGP Table
Table Summary Report


BGP Report

BGP data obtained from the boundary of AS65000

Report last updated at Tue Jan 28 22:10:16 2020 (UTC+1000).

Data prior to 11 April 97 interpreted from data gathered by Erik-Jan Bos, SURFnet.

BGP table analyser written and maintained by Geoff Huston.


Footnote