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   AS65000 BGP Routing Table Analysis Report












   
  BGP data obtained from AS65000
Report last updated at Sat Aug 17 10:10:15 2019 (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)792155   Change in FIB Size67   Change (%)0.008
    All BGP entries (RIB)1554571
    RIB/FIB ratio (1554571/792155)1.9625
      Valid entries1554571
      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)2842949964
    Total address space advertised (prefix length)0.59525844
    Percentage of IPv4 space advertised (2842949964/4294967295)66.192587
    Total address space advertised - corrected to 19 /8s(data)
Average address span 3589
    Average address span (as prefix size)20.1910
Average prefix length22.7253

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 aggregates422626       Specifics as % of FIB entries (422626/792155)53.3514
    Specifics as % of address span (1067823018/2842949964)37.5604    
    Specifics where AS prepended Path matches aggregate179966         AS-P_Path-Match % (179966/422626)42.58
    AS Path matches aggregate187793         AS-Path-Match % (187793/422626)44.4348
    AS Origin matches aggregate312323         AS-Origin-Match % (312323/422626)73.9006
    Root Prefixes369529
Root Prefix Tree Depth(data)
      Root Prefixes with depth 0320640
      Root Prefixes with depth 139171
      Root Prefixes with depth 27843
      Root Prefixes with depth 31437
      Root Prefixes with depth 4331
      Root Prefixes with depth 574
      Root Prefixes with depth 627
      Root Prefixes with depth 76

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 ASes65409       ASes visible in only one AS path40045
    Origin only ASes55976         Origin ASs announced via a single AS path39668
    Transit only ASes287       Originating AS ATOM count65122
    Mixed ASes9146         Originating AS ATOM compression0.0822
    Multi-Origin Prefixes2007    
    ASes originating a single prefix23773    
    Average entries per origin AS12.1642         Maximum entries for an origin AS (AS264668)159
    Average address range span for an origin AS43655.7533         Maximum address range for an origin AS (AS4134)115799552

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 Paths195618       Unique AS prepended Paths208637
AS Paths used in FIB104712       AS Paths using prepending50952
    AS paths associated with a single FIB entry48769       AS Paths using private ASs44
    Average AS path length5.5542         Maximum AS Path length13
    Average address weighted AS path length7.0064         Maximum prepended AS Path length44
    Average entries per AS Path4.0495       Average entries per FIB AS Path7.5651
    AS Paths per origin AS3.0039       FIB AS Paths per origin AS1.6079
      AS PATH ATOM compression0.1322    

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 /11102       % Prefix /110.01
    Prefix count /12298       % Prefix /120.04
    Prefix count /13573       % Prefix /130.07
    Prefix count /141133       % Prefix /140.14
    Prefix count /151926       % Prefix /150.24
    Prefix count /1613308       % Prefix /161.68
    Prefix count /178143       % Prefix /171.03
    Prefix count /1814092       % Prefix /181.78
    Prefix count /1926395       % Prefix /193.33
    Prefix count /2041389       % Prefix /205.22
    Prefix count /2149229       % Prefix /216.21
    Prefix count /2297902       % Prefix /2212.36
    Prefix count /2381766       % Prefix /2310.32
    Prefix count /24454669       % Prefix /2457.40
    Prefix count /25998       % Prefix /250.13
    Prefix count /2612       % Prefix /260.00
    Prefix count /2744       % Prefix /270.01
    Prefix count /2843       % Prefix /280.01
    Prefix count /2942       % Prefix /290.01
    Prefix count /3027       % Prefix /300.00
    Prefix count /315       % 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 /1193       % Prefix /110.03
    Prefix count /12258       % Prefix /120.07
    Prefix count /13471       % Prefix /130.13
    Prefix count /14968       % Prefix /140.26
    Prefix count /151566       % Prefix /150.42
    Prefix count /1610073       % Prefix /162.73
    Prefix count /174412       % Prefix /171.19
    Prefix count /187295       % Prefix /181.97
    Prefix count /1915017       % Prefix /194.06
    Prefix count /2019166       % Prefix /205.19
    Prefix count /2122119       % Prefix /215.99
    Prefix count /2253360       % Prefix /2214.44
    Prefix count /2331895       % Prefix /238.63
    Prefix count /24202765       % Prefix /2454.87
    Prefix count /2512       % Prefix /250.00
    Prefix count /260       % Prefix /260.00
    Prefix count /272       % 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 112288       % Addresses at AS distance 10.0
    Addresses at AS distance 2158047392       % Addresses at AS distance 24.0
    Addresses at AS distance 3979269966       % Addresses at AS distance 325.0
    Addresses at AS distance 41524362120       % Addresses at AS distance 439.0
    Addresses at AS distance 5965769088       % Addresses at AS distance 524.7
    Addresses at AS distance 6213595776       % Addresses at AS distance 65.5
    Addresses at AS distance 736303104       % Addresses at AS distance 70.9
    Addresses at AS distance 815769600       % Addresses at AS distance 80.4
    Addresses at AS distance 910494720       % Addresses at AS distance 90.3
    Addresses at AS distance 107065728       % Addresses at AS distance 100.2
    Addresses at AS distance 1181920       % Addresses at AS distance 110.0
    Addresses at AS distance 121024       % Addresses at AS distance 120.0
     
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 hops12544       % Addresses reachable within 1 AS hops0
    Addresses reachable within 2 AS hops158059936       % Addresses reachable within 2 AS hops4
    Addresses reachable within 3 AS hops1137329902       % Addresses reachable within 3 AS hops29
    Addresses reachable within 4 AS hops2661692022       % Addresses reachable within 4 AS hops68
    Addresses reachable within 5 AS hops3627461110       % Addresses reachable within 5 AS hops92
    Addresses reachable within 6 AS hops3841056886       % Addresses reachable within 6 AS hops98
    Addresses reachable within 7 AS hops3877359990       % Addresses reachable within 7 AS hops99
    Addresses reachable within 8 AS hops3893129590       % Addresses reachable within 8 AS hops99
    Addresses reachable within 9 AS hops3903624310       % Addresses reachable within 9 AS hops99
    Addresses reachable within 10 AS hops3910690038       % Addresses reachable within 10 AS hops99
    Addresses reachable within 11 AS hops3910771958       % Addresses reachable within 11 AS hops99
    Addresses reachable within 12 AS hops3910772982       % Addresses reachable within 12 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 hops288       % ASes reachable at 2 AS hops0
    ASes reachable at 3 AS hops3400       % ASes reachable at 3 AS hops5
    ASes reachable at 4 AS hops22260       % ASes reachable at 4 AS hops34
    ASes reachable at 5 AS hops28780       % ASes reachable at 5 AS hops44
    ASes reachable at 6 AS hops8751       % ASes reachable at 6 AS hops13
    ASes reachable at 7 AS hops1413       % ASes reachable at 7 AS hops2
    ASes reachable at 8 AS hops285       % ASes reachable at 8 AS hops0
    ASes reachable at 9 AS hops127       % ASes reachable at 9 AS hops0
    ASes reachable at 10 AS hops95       % ASes reachable at 10 AS hops0
    ASes reachable at 11 AS hops6       % ASes reachable at 11 AS hops0
    ASes reachable at 12 AS hops0       % ASes reachable at 12 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 hops292       Cumulative % ASes by AS hops 20.4
    ASes reachable by 3 AS hops3692       Cumulative % ASes by AS hops 35.6
    ASes reachable by 4 AS hops25952       Cumulative % ASes by AS hops 439.7
    ASes reachable by 5 AS hops54732       Cumulative % ASes by AS hops 583.7
    ASes reachable by 6 AS hops63483       Cumulative % ASes by AS hops 697.1
    ASes reachable by 7 AS hops64896       Cumulative % ASes by AS hops 799.2
    ASes reachable by 8 AS hops65181       Cumulative % ASes by AS hops 899.7
    ASes reachable by 9 AS hops65308       Cumulative % ASes by AS hops 999.8
    ASes reachable by 10 AS hops65403       Cumulative % ASes by AS hops 10100.0
    ASes reachable by 11 AS hops65409       Cumulative % ASes by AS hops 11100.0
    ASes reachable by 12 AS hops65409       Cumulative % ASes by AS hops 12100.0

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 Updates1864   New Entries245   Removed Entries173   Updated Entries1446
     Report     Report     Report 
    Address Span4047784       Address Span152960       Address Span61952       Address Span3832872
    Average address span per update2171       Avg Span624       Avg Span358       Avg Span2650
    Average prefix size updated23.30       Average prefix size23.31       Average prefix size23.75       Average prefix size23.24
Per-Prefix updates(data)       Prefix announcements(data)       Prefix withdrawals(data)       Prefix path updates(data)
      Prefix /15 total1         Prefix /15 announcements0         Prefix /15 withdrawals0         Prefix /15 path updates1
      Prefix /16 total18         Prefix /16 announcements0         Prefix /16 withdrawals0         Prefix /16 path updates18
      Prefix /17 total20         Prefix /17 announcements0         Prefix /17 withdrawals0         Prefix /17 path updates20
      Prefix /18 total37         Prefix /18 announcements1         Prefix /18 withdrawals0         Prefix /18 path updates36
      Prefix /19 total35         Prefix /19 announcements1         Prefix /19 withdrawals0         Prefix /19 path updates34
      Prefix /20 total133         Prefix /20 announcements1         Prefix /20 withdrawals1         Prefix /20 path updates131
      Prefix /21 total61         Prefix /21 announcements10         Prefix /21 withdrawals2         Prefix /21 path updates49
      Prefix /22 total189         Prefix /22 announcements49         Prefix /22 withdrawals7         Prefix /22 path updates133
      Prefix /23 total125         Prefix /23 announcements27         Prefix /23 withdrawals19         Prefix /23 path updates79
      Prefix /24 total850         Prefix /24 announcements155         Prefix /24 withdrawals144         Prefix /24 path updates551
      Prefix /25 total335         Prefix /25 announcements1         Prefix /25 withdrawals0         Prefix /25 path updates334
      Prefix /26 total4         Prefix /26 announcements0         Prefix /26 withdrawals0         Prefix /26 path updates4
      Prefix /27 total12         Prefix /27 announcements0         Prefix /27 withdrawals0         Prefix /27 path updates12
      Prefix /28 total17         Prefix /28 announcements0         Prefix /28 withdrawals0         Prefix /28 path updates17
      Prefix /29 total11         Prefix /29 announcements0         Prefix /29 withdrawals0         Prefix /29 path updates11
      Prefix /30 total16         Prefix /30 announcements0         Prefix /30 withdrawals0         Prefix /30 path updates16
      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 total0.00         Prefix /10 announcements0.00         Prefix /10 withdrawals0.00         Prefix /10 path updates0.00
      Prefix /11 total0.00         Prefix /11 announcements0.00         Prefix /11 withdrawals0.00         Prefix /11 path updates0.00
      Prefix /12 total0.00         Prefix /12 announcements0.00         Prefix /12 withdrawals0.00         Prefix /12 path updates0.00
      Prefix /13 total0.00         Prefix /13 announcements0.00         Prefix /13 withdrawals0.00         Prefix /13 path updates0.00
      Prefix /14 total0.00         Prefix /14 announcements0.00         Prefix /14 withdrawals0.00         Prefix /14 path updates0.00
      Prefix /15 total0.22         Prefix /15 announcements0.00         Prefix /15 withdrawals0.00         Prefix /15 path updates0.28
      Prefix /16 total0.57         Prefix /16 announcements0.00         Prefix /16 withdrawals0.00         Prefix /16 path updates0.74
      Prefix /17 total1.04         Prefix /17 announcements0.00         Prefix /17 withdrawals0.00         Prefix /17 path updates1.35
      Prefix /18 total1.12         Prefix /18 announcements0.23         Prefix /18 withdrawals0.00         Prefix /18 path updates1.40
      Prefix /19 total0.56         Prefix /19 announcements0.12         Prefix /19 withdrawals0.00         Prefix /19 path updates0.71
      Prefix /20 total1.37         Prefix /20 announcements0.08         Prefix /20 withdrawals0.11         Prefix /20 path updates1.73
      Prefix /21 total0.53         Prefix /21 announcements0.66         Prefix /21 withdrawals0.19         Prefix /21 path updates0.55
      Prefix /22 total0.82         Prefix /22 announcements1.62         Prefix /22 withdrawals0.33         Prefix /22 path updates0.74
      Prefix /23 total0.65         Prefix /23 announcements1.07         Prefix /23 withdrawals1.06         Prefix /23 path updates0.53
      Prefix /24 total0.79         Prefix /24 announcements1.10         Prefix /24 withdrawals1.45         Prefix /24 path updates0.66
      Prefix /25 total142.65         Prefix /25 announcements3.24         Prefix /25 withdrawals0.00         Prefix /25 path updates183.34
      Prefix /26 total141.66         Prefix /26 announcements0.00         Prefix /26 withdrawals0.00         Prefix /26 path updates182.61
      Prefix /27 total115.90         Prefix /27 announcements0.00         Prefix /27 withdrawals0.00         Prefix /27 path updates149.41
      Prefix /28 total168.01         Prefix /28 announcements0.00         Prefix /28 withdrawals0.00         Prefix /28 path updates216.58
      Prefix /29 total111.30         Prefix /29 announcements0.00         Prefix /29 withdrawals0.00         Prefix /29 path updates143.48
      Prefix /30 total251.84         Prefix /30 announcements0.00         Prefix /30 withdrawals0.00         Prefix /30 path updates324.64
      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 Updates1863.482   New Entries244.932   Removed Entries172.952   Updated Entries1445.598
    Address Span4046660.000       Address Span152917.516       Address Span61934.797       Address Span3831807.500
    Average address span per update2170.397       Avg Span623.827       Avg Span357.901       Avg Span2649.264
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 rate0.000         Prefix /10 announcements0.000         Prefix /10 withdrawals0.000         Prefix /10 path updates0.000
      Prefix /11 update rate0.000         Prefix /11 announcements0.000         Prefix /11 withdrawals0.000         Prefix /11 path updates0.000
      Prefix /12 update rate0.000         Prefix /12 announcements0.000         Prefix /12 withdrawals0.000         Prefix /12 path updates0.000
      Prefix /13 update rate0.000         Prefix /13 announcements0.000         Prefix /13 withdrawals0.000         Prefix /13 path updates0.000
      Prefix /14 update rate0.000         Prefix /14 announcements0.000         Prefix /14 withdrawals0.000         Prefix /14 path updates0.000
      Prefix /15 update rate1.000         Prefix /15 announcements0.000         Prefix /15 withdrawals0.000         Prefix /15 path updates1.000
      Prefix /16 update rate17.995         Prefix /16 announcements0.000         Prefix /16 withdrawals0.000         Prefix /16 path updates17.995
      Prefix /17 update rate19.994         Prefix /17 announcements0.000         Prefix /17 withdrawals0.000         Prefix /17 path updates19.994
      Prefix /18 update rate36.990         Prefix /18 announcements1.000         Prefix /18 withdrawals0.000         Prefix /18 path updates35.990
      Prefix /19 update rate34.990         Prefix /19 announcements1.000         Prefix /19 withdrawals0.000         Prefix /19 path updates33.991
      Prefix /20 update rate132.963         Prefix /20 announcements1.000         Prefix /20 withdrawals1.000         Prefix /20 path updates130.964
      Prefix /21 update rate60.983         Prefix /21 announcements9.997         Prefix /21 withdrawals1.999         Prefix /21 path updates48.986
      Prefix /22 update rate188.948         Prefix /22 announcements48.986         Prefix /22 withdrawals6.998         Prefix /22 path updates132.963
      Prefix /23 update rate124.965         Prefix /23 announcements26.993         Prefix /23 withdrawals18.995         Prefix /23 path updates78.978
      Prefix /24 update rate849.764         Prefix /24 announcements154.957         Prefix /24 withdrawals143.960         Prefix /24 path updates550.847
      Prefix /25 update rate334.907         Prefix /25 announcements1.000         Prefix /25 withdrawals0.000         Prefix /25 path updates333.907
      Prefix /26 update rate3.999         Prefix /26 announcements0.000         Prefix /26 withdrawals0.000         Prefix /26 path updates3.999
      Prefix /27 update rate11.997         Prefix /27 announcements0.000         Prefix /27 withdrawals0.000         Prefix /27 path updates11.997
      Prefix /28 update rate16.995         Prefix /28 announcements0.000         Prefix /28 withdrawals0.000         Prefix /28 path updates16.995
      Prefix /29 update rate10.997         Prefix /29 announcements0.000         Prefix /29 withdrawals0.000         Prefix /29 path updates10.997
      Prefix /30 update rate15.996         Prefix /30 announcements0.000         Prefix /30 withdrawals0.000         Prefix /30 path updates15.996
      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 Changes521   Origin Paths83   NextHop Paths142   Transit Paths221   Paths57   Paths18
 Report
      /15 Tot1         /15 Org0         /15 Nxt1         /15 Trn0         /15 Fst0         /15 Prp0
      /16 Tot18         /16 Org0         /16 Nxt7         /16 Trn9         /16 Fst2         /16 Prp0
      /17 Tot20         /17 Org0         /17 Nxt11         /17 Trn2         /17 Fst7         /17 Prp0
      /18 Tot36         /18 Org0         /18 Nxt30         /18 Trn2         /18 Fst4         /18 Prp0
      /19 Tot34         /19 Org0         /19 Nxt7         /19 Trn2         /19 Fst25         /19 Prp0
      /20 Tot131         /20 Org0         /20 Nxt53         /20 Trn7         /20 Fst71         /20 Prp0
      /21 Tot49         /21 Org0         /21 Nxt6         /21 Trn11         /21 Fst32         /21 Prp0
      /22 Tot133         /22 Org0         /22 Nxt37         /22 Trn11         /22 Fst84         /22 Prp1
      /23 Tot79         /23 Org0         /23 Nxt17         /23 Trn12         /23 Fst48         /23 Prp2
      /24 Tot551         /24 Org10         /24 Nxt132         /24 Trn73         /24 Fst304         /24 Prp32
      /25 Tot334         /25 Org71         /25 Nxt28         /25 Trn0         /25 Fst235         /25 Prp0
      /26 Tot4         /26 Org0         /26 Nxt4         /26 Trn0         /26 Fst0         /26 Prp0
      /27 Tot12         /27 Org3         /27 Nxt6         /27 Trn0         /27 Fst3         /27 Prp0
      /28 Tot17         /28 Org8         /28 Nxt6         /28 Trn0         /28 Fst3         /28 Prp0
      /29 Tot11         /29 Org4         /29 Nxt5         /29 Trn0         /29 Fst2         /29 Prp0
      /30 Tot16         /30 Org6         /30 Nxt5         /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 /67       % 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 /842       % AS's announcing span of /80.0006
    AS's announcing span of /985       % AS's announcing span of /90.0013
    AS's announcing span of /10104       % AS's announcing span of /100.0016
    AS's announcing span of /11180       % AS's announcing span of /110.0028
    AS's announcing span of /12239       % AS's announcing span of /120.0037
    AS's announcing span of /13448       % AS's announcing span of /130.0069
    AS's announcing span of /14866       % AS's announcing span of /140.0133
    AS's announcing span of /151784       % AS's announcing span of /150.0274
    AS's announcing span of /161830       % AS's announcing span of /160.0281
    AS's announcing span of /172313       % AS's announcing span of /170.0356
    AS's announcing span of /183724       % AS's announcing span of /180.0572
    AS's announcing span of /194844       % AS's announcing span of /190.0745
    AS's announcing span of /206806       % AS's announcing span of /200.1046
    AS's announcing span of /219131       % AS's announcing span of /210.1403
    AS's announcing span of /2211193       % AS's announcing span of /220.1720
    AS's announcing span of /236583       % AS's announcing span of /230.1012
    AS's announcing span of /2414837       % AS's announcing span of /240.2280
    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 Count107259
Average AS Connectivity Degree (214518/65409)3.2796
Average AS Connectivity IN:OUT Degree0.1513
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 Path435388Report (sort by %reduction)Report (sort by reduction)BGP Table
    Aggregation using AS Path426572Report (sort by %reduction)Report (sort by reduction)BGP Table
    Aggregation using AS Origin300900Report (sort by %reduction)Report (sort by reduction)BGP Table
    Maximal Aggregation300956Report (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 Sat Aug 17 10:10:15 2019 (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