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   AS65000 BGP Routing Table Analysis Report












   
  BGP data obtained from AS65000
Report last updated at Mon Jun 26 08:10:13 2017 (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)673377   Change in FIB Size64   Change (%)0.010
    All BGP entries (RIB)1316150
    RIB/FIB ratio (1316150/673377)1.9546
      Valid entries1316150
      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)2848967892
    Total address space advertised (prefix length)0.59220778
    Percentage of IPv4 space advertised (2848967892/4294967295)66.332703
    Total address space advertised - corrected to 19 /8s(data)
Average address span 4231
    Average address span (as prefix size)19.9536
Average prefix length22.6304

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 aggregates358542       Specifics as % of FIB entries (358542/673377)53.2454
    Specifics as % of address span (1026520906/2848967892)36.0313    
    Specifics where AS prepended Path matches aggregate158888         AS-P_Path-Match % (158888/358542)44.32
    AS Path matches aggregate167872         AS-Path-Match % (167872/358542)46.8207
    AS Origin matches aggregate271141         AS-Origin-Match % (271141/358542)75.6232
    Root Prefixes314835
Root Prefix Tree Depth(data)
      Root Prefixes with depth 0272970
      Root Prefixes with depth 133372
      Root Prefixes with depth 26648
      Root Prefixes with depth 31412
      Root Prefixes with depth 4340
      Root Prefixes with depth 559
      Root Prefixes with depth 627
      Root Prefixes with depth 75
      Root Prefixes with depth 81
      Root Prefixes with depth 91

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 ASes57875       ASes visible in only one AS path36812
    Origin only ASes49800         Origin ASs announced via a single AS path36470
    Transit only ASes241       Originating AS ATOM count57634
    Mixed ASes7834         Originating AS ATOM compression0.0856
    Multi-Origin Prefixes1762    
    ASes originating a single prefix21822    
    Average entries per origin AS11.6837         Maximum entries for an origin AS (AS7545)3966
    Average address range span for an origin AS49432.0695         Maximum address range for an origin AS (AS4134)120712448

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 Paths169793       Unique AS prepended Paths180586
AS Paths used in FIB87721       AS Paths using prepending40827
    AS paths associated with a single FIB entry40434       AS Paths using private ASs48
    Average AS path length5.7132         Maximum AS Path length16
    Average address weighted AS path length6.9890         Maximum prepended AS Path length43
    Average entries per AS Path3.9659       Average entries per FIB AS Path7.6763
    AS Paths per origin AS2.9461       FIB AS Paths per origin AS1.5220
      AS PATH ATOM compression0.1303    

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 /815       % Prefix /80.00
    Prefix count /913       % Prefix /90.00
    Prefix count /1036       % Prefix /100.01
    Prefix count /11104       % Prefix /110.02
    Prefix count /12281       % Prefix /120.04
    Prefix count /13547       % Prefix /130.08
    Prefix count /141055       % Prefix /140.16
    Prefix count /151861       % Prefix /150.28
    Prefix count /1613505       % Prefix /162.01
    Prefix count /177857       % Prefix /171.17
    Prefix count /1813917       % Prefix /182.07
    Prefix count /1925653       % Prefix /193.81
    Prefix count /2039576       % Prefix /205.88
    Prefix count /2143419       % Prefix /216.45
    Prefix count /2279095       % Prefix /2211.75
    Prefix count /2367252       % Prefix /239.99
    Prefix count /24376701       % Prefix /2455.94
    Prefix count /25920       % Prefix /250.14
    Prefix count /26642       % Prefix /260.10
    Prefix count /27693       % Prefix /270.10
    Prefix count /2883       % Prefix /280.01
    Prefix count /2954       % Prefix /290.01
    Prefix count /3059       % Prefix /300.01
    Prefix count /3111       % Prefix /310.00
    Prefix count /3228       % 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 /815       % Prefix /80.00
    Prefix count /95       % Prefix /90.00
    Prefix count /1036       % Prefix /100.01
    Prefix count /1197       % Prefix /110.03
    Prefix count /12252       % Prefix /120.08
    Prefix count /13450       % Prefix /130.14
    Prefix count /14915       % Prefix /140.29
    Prefix count /151481       % Prefix /150.47
    Prefix count /1610159       % Prefix /163.23
    Prefix count /174350       % Prefix /171.38
    Prefix count /187171       % Prefix /182.28
    Prefix count /1914922       % Prefix /194.74
    Prefix count /2018679       % Prefix /205.93
    Prefix count /2120987       % Prefix /216.67
    Prefix count /2242273       % Prefix /2213.43
    Prefix count /2325607       % Prefix /238.13
    Prefix count /24167404       % Prefix /2453.17
    Prefix count /257       % Prefix /250.00
    Prefix count /266       % Prefix /260.00
    Prefix count /2713       % Prefix /270.00
    Prefix count /282       % Prefix /280.00
    Prefix count /291       % 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 17936       % Addresses at AS distance 10.0
    Addresses at AS distance 275048316       % Addresses at AS distance 21.9
    Addresses at AS distance 31041667077       % Addresses at AS distance 326.9
    Addresses at AS distance 41463797262       % Addresses at AS distance 437.8
    Addresses at AS distance 5955188005       % Addresses at AS distance 524.6
    Addresses at AS distance 6275717970       % Addresses at AS distance 67.1
    Addresses at AS distance 744858736       % Addresses at AS distance 71.2
    Addresses at AS distance 812634664       % Addresses at AS distance 80.3
    Addresses at AS distance 95497408       % Addresses at AS distance 90.1
    Addresses at AS distance 101015616       % Addresses at AS distance 100.0
    Addresses at AS distance 1151200       % Addresses at AS distance 110.0
    Addresses at AS distance 120       % Addresses at AS distance 120.0
    Addresses at AS distance 134352       % Addresses at AS distance 130.0
    Addresses at AS distance 140       % Addresses at AS distance 140.0
    Addresses at AS distance 150       % Addresses at AS distance 150.0
     
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 hops8192       % Addresses reachable within 1 AS hops0
    Addresses reachable within 2 AS hops75056508       % Addresses reachable within 2 AS hops1
    Addresses reachable within 3 AS hops1116723585       % Addresses reachable within 3 AS hops28
    Addresses reachable within 4 AS hops2580520847       % Addresses reachable within 4 AS hops66
    Addresses reachable within 5 AS hops3535708852       % Addresses reachable within 5 AS hops91
    Addresses reachable within 6 AS hops3811426822       % Addresses reachable within 6 AS hops98
    Addresses reachable within 7 AS hops3856285558       % Addresses reachable within 7 AS hops99
    Addresses reachable within 8 AS hops3868920222       % Addresses reachable within 8 AS hops99
    Addresses reachable within 9 AS hops3874417630       % Addresses reachable within 9 AS hops99
    Addresses reachable within 10 AS hops3875433246       % Addresses reachable within 10 AS hops99
    Addresses reachable within 11 AS hops3875484446       % Addresses reachable within 11 AS hops99
    Addresses reachable within 12 AS hops3875484446       % Addresses reachable within 12 AS hops99
    Addresses reachable within 13 AS hops3875488798       % Addresses reachable within 13 AS hops100
    Addresses reachable within 14 AS hops3875488798       % Addresses reachable within 14 AS hops100
    Addresses reachable within 15 AS hops3875488798       % Addresses reachable within 15 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 hops85       % ASes reachable at 2 AS hops0
    ASes reachable at 3 AS hops1108       % ASes reachable at 3 AS hops1
    ASes reachable at 4 AS hops19097       % ASes reachable at 4 AS hops32
    ASes reachable at 5 AS hops25178       % ASes reachable at 5 AS hops43
    ASes reachable at 6 AS hops9966       % ASes reachable at 6 AS hops17
    ASes reachable at 7 AS hops1970       % ASes reachable at 7 AS hops3
    ASes reachable at 8 AS hops346       % ASes reachable at 8 AS hops0
    ASes reachable at 9 AS hops101       % ASes reachable at 9 AS hops0
    ASes reachable at 10 AS hops16       % ASes reachable at 10 AS hops0
    ASes reachable at 11 AS hops2       % ASes reachable at 11 AS hops0
    ASes reachable at 12 AS hops1       % ASes reachable at 12 AS hops0
    ASes reachable at 13 AS hops1       % ASes reachable at 13 AS hops0
    ASes reachable at 14 AS hops0       % ASes reachable at 14 AS hops0
    ASes reachable at 15 AS hops0       % ASes reachable at 15 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 hops89       Cumulative % ASes by AS hops 20.2
    ASes reachable by 3 AS hops1197       Cumulative % ASes by AS hops 32.1
    ASes reachable by 4 AS hops20294       Cumulative % ASes by AS hops 435.1
    ASes reachable by 5 AS hops45472       Cumulative % ASes by AS hops 578.6
    ASes reachable by 6 AS hops55438       Cumulative % ASes by AS hops 695.8
    ASes reachable by 7 AS hops57408       Cumulative % ASes by AS hops 799.2
    ASes reachable by 8 AS hops57754       Cumulative % ASes by AS hops 899.8
    ASes reachable by 9 AS hops57855       Cumulative % ASes by AS hops 9100.0
    ASes reachable by 10 AS hops57871       Cumulative % ASes by AS hops 10100.0
    ASes reachable by 11 AS hops57873       Cumulative % ASes by AS hops 11100.0
    ASes reachable by 12 AS hops57874       Cumulative % ASes by AS hops 12100.0
    ASes reachable by 13 AS hops57875       Cumulative % ASes by AS hops 13100.0
    ASes reachable by 14 AS hops57875       Cumulative % ASes by AS hops 14100.0
    ASes reachable by 15 AS hops57875       Cumulative % ASes by AS hops 15100.0

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 Updates2011   New Entries237   Removed Entries169   Updated Entries1605
     Report     Report     Report 
    Address Span2498548       Address Span252448       Address Span134400       Address Span2111700
    Average address span per update1242       Avg Span1065       Avg Span795       Avg Span1315
    Average prefix size updated24.36       Average prefix size23.51       Average prefix size23.29       Average prefix size24.60
Per-Prefix updates(data)       Prefix announcements(data)       Prefix withdrawals(data)       Prefix path updates(data)
      Prefix /16 total6         Prefix /16 announcements0         Prefix /16 withdrawals0         Prefix /16 path updates6
      Prefix /17 total16         Prefix /17 announcements2         Prefix /17 withdrawals0         Prefix /17 path updates14
      Prefix /18 total34         Prefix /18 announcements2         Prefix /18 withdrawals0         Prefix /18 path updates32
      Prefix /19 total35         Prefix /19 announcements9         Prefix /19 withdrawals3         Prefix /19 path updates23
      Prefix /20 total42         Prefix /20 announcements2         Prefix /20 withdrawals10         Prefix /20 path updates30
      Prefix /21 total81         Prefix /21 announcements1         Prefix /21 withdrawals9         Prefix /21 path updates71
      Prefix /22 total95         Prefix /22 announcements17         Prefix /22 withdrawals12         Prefix /22 path updates66
      Prefix /23 total103         Prefix /23 announcements3         Prefix /23 withdrawals14         Prefix /23 path updates86
      Prefix /24 total741         Prefix /24 announcements200         Prefix /24 withdrawals121         Prefix /24 path updates420
      Prefix /25 total269         Prefix /25 announcements0         Prefix /25 withdrawals0         Prefix /25 path updates269
      Prefix /26 total261         Prefix /26 announcements0         Prefix /26 withdrawals0         Prefix /26 path updates261
      Prefix /27 total242         Prefix /27 announcements1         Prefix /27 withdrawals0         Prefix /27 path updates241
      Prefix /28 total31         Prefix /28 announcements0         Prefix /28 withdrawals0         Prefix /28 path updates31
      Prefix /29 total15         Prefix /29 announcements0         Prefix /29 withdrawals0         Prefix /29 path updates15
      Prefix /30 total32         Prefix /30 announcements0         Prefix /30 withdrawals0         Prefix /30 path updates32
      Prefix /31 total4         Prefix /31 announcements0         Prefix /31 withdrawals0         Prefix /31 path updates4
      Prefix /32 total4         Prefix /32 announcements0         Prefix /32 withdrawals0         Prefix /32 path updates4
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 total0.00         Prefix /15 announcements0.00         Prefix /15 withdrawals0.00         Prefix /15 path updates0.00
      Prefix /16 total0.15         Prefix /16 announcements0.00         Prefix /16 withdrawals0.00         Prefix /16 path updates0.19
      Prefix /17 total0.68         Prefix /17 announcements0.72         Prefix /17 withdrawals0.00         Prefix /17 path updates0.75
      Prefix /18 total0.82         Prefix /18 announcements0.41         Prefix /18 withdrawals0.00         Prefix /18 path updates0.96
      Prefix /19 total0.46         Prefix /19 announcements1.00         Prefix /19 withdrawals0.47         Prefix /19 path updates0.38
      Prefix /20 total0.36         Prefix /20 announcements0.14         Prefix /20 withdrawals1.01         Prefix /20 path updates0.32
      Prefix /21 total0.62         Prefix /21 announcements0.07         Prefix /21 withdrawals0.83         Prefix /21 path updates0.69
      Prefix /22 total0.40         Prefix /22 announcements0.61         Prefix /22 withdrawals0.60         Prefix /22 path updates0.35
      Prefix /23 total0.51         Prefix /23 announcements0.13         Prefix /23 withdrawals0.83         Prefix /23 path updates0.54
      Prefix /24 total0.66         Prefix /24 announcements1.51         Prefix /24 withdrawals1.28         Prefix /24 path updates0.47
      Prefix /25 total97.91         Prefix /25 announcements0.00         Prefix /25 withdrawals0.00         Prefix /25 path updates122.67
      Prefix /26 total136.13         Prefix /26 announcements0.00         Prefix /26 withdrawals0.00         Prefix /26 path updates170.56
      Prefix /27 total116.93         Prefix /27 announcements4.10         Prefix /27 withdrawals0.00         Prefix /27 path updates145.90
      Prefix /28 total125.06         Prefix /28 announcements0.00         Prefix /28 withdrawals0.00         Prefix /28 path updates156.70
      Prefix /29 total93.01         Prefix /29 announcements0.00         Prefix /29 withdrawals0.00         Prefix /29 path updates116.54
      Prefix /30 total181.61         Prefix /30 announcements0.00         Prefix /30 withdrawals0.00         Prefix /30 path updates227.55
      Prefix /31 total121.76         Prefix /31 announcements0.00         Prefix /31 withdrawals0.00         Prefix /31 path updates152.56
      Prefix /32 total47.84         Prefix /32 announcements0.00         Prefix /32 withdrawals0.00         Prefix /32 path updates59.94

FIB Update Rate Reports
Updates per hour
(Measurement Period 1 hrs 0 mins)
Data  Announce RateData  Withdraw RateData  Path Chg RateData
Table Updates2010.442   New Entries236.934   Removed Entries168.953   Updated Entries1604.554
    Address Span2497854.250       Address Span252377.891       Address Span134362.672       Address Span2111113.500
    Average address span per update1241.655       Avg Span1064.704       Avg Span794.779       Avg Span1314.635
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 rate0.000         Prefix /15 announcements0.000         Prefix /15 withdrawals0.000         Prefix /15 path updates0.000
      Prefix /16 update rate5.998         Prefix /16 announcements0.000         Prefix /16 withdrawals0.000         Prefix /16 path updates5.998
      Prefix /17 update rate15.996         Prefix /17 announcements1.999         Prefix /17 withdrawals0.000         Prefix /17 path updates13.996
      Prefix /18 update rate33.991         Prefix /18 announcements1.999         Prefix /18 withdrawals0.000         Prefix /18 path updates31.991
      Prefix /19 update rate34.990         Prefix /19 announcements8.998         Prefix /19 withdrawals2.999         Prefix /19 path updates22.994
      Prefix /20 update rate41.988         Prefix /20 announcements1.999         Prefix /20 withdrawals9.997         Prefix /20 path updates29.992
      Prefix /21 update rate80.978         Prefix /21 announcements1.000         Prefix /21 withdrawals8.998         Prefix /21 path updates70.980
      Prefix /22 update rate94.974         Prefix /22 announcements16.995         Prefix /22 withdrawals11.997         Prefix /22 path updates65.982
      Prefix /23 update rate102.971         Prefix /23 announcements2.999         Prefix /23 withdrawals13.996         Prefix /23 path updates85.976
      Prefix /24 update rate740.794         Prefix /24 announcements199.944         Prefix /24 withdrawals120.966         Prefix /24 path updates419.883
      Prefix /25 update rate268.925         Prefix /25 announcements0.000         Prefix /25 withdrawals0.000         Prefix /25 path updates268.925
      Prefix /26 update rate260.928         Prefix /26 announcements0.000         Prefix /26 withdrawals0.000         Prefix /26 path updates260.928
      Prefix /27 update rate241.933         Prefix /27 announcements1.000         Prefix /27 withdrawals0.000         Prefix /27 path updates240.933
      Prefix /28 update rate30.991         Prefix /28 announcements0.000         Prefix /28 withdrawals0.000         Prefix /28 path updates30.991
      Prefix /29 update rate14.996         Prefix /29 announcements0.000         Prefix /29 withdrawals0.000         Prefix /29 path updates14.996
      Prefix /30 update rate31.991         Prefix /30 announcements0.000         Prefix /30 withdrawals0.000         Prefix /30 path updates31.991
      Prefix /31 update rate3.999         Prefix /31 announcements0.000         Prefix /31 withdrawals0.000         Prefix /31 path updates3.999
      Prefix /32 update rate3.999         Prefix /32 announcements0.000         Prefix /32 withdrawals0.000         Prefix /32 path updates3.999

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 Changes672   Origin Paths178   NextHop Paths169   Transit Paths242   Paths60   Paths23
 Report
      /16 Tot6         /16 Org0         /16 Nxt0         /16 Trn0         /16 Fst0         /16 Prp6
      /17 Tot14         /17 Org0         /17 Nxt0         /17 Trn0         /17 Fst0         /17 Prp14
      /18 Tot32         /18 Org0         /18 Nxt3         /18 Trn1         /18 Fst1         /18 Prp27
      /19 Tot23         /19 Org0         /19 Nxt13         /19 Trn1         /19 Fst3         /19 Prp6
      /20 Tot30         /20 Org0         /20 Nxt14         /20 Trn3         /20 Fst5         /20 Prp8
      /21 Tot71         /21 Org1         /21 Nxt17         /21 Trn7         /21 Fst12         /21 Prp34
      /22 Tot66         /22 Org0         /22 Nxt29         /22 Trn16         /22 Fst17         /22 Prp4
      /23 Tot86         /23 Org0         /23 Nxt56         /23 Trn11         /23 Fst11         /23 Prp8
      /24 Tot420         /24 Org3         /24 Nxt185         /24 Trn73         /24 Fst149         /24 Prp10
      /25 Tot269         /25 Org70         /25 Nxt22         /25 Trn0         /25 Fst177         /25 Prp0
      /26 Tot261         /26 Org70         /26 Nxt23         /26 Trn0         /26 Fst168         /26 Prp0
      /27 Tot241         /27 Org62         /27 Nxt21         /27 Trn0         /27 Fst158         /27 Prp0
      /28 Tot31         /28 Org1         /28 Nxt9         /28 Trn0         /28 Fst21         /28 Prp0
      /29 Tot15         /29 Org4         /29 Nxt4         /29 Trn0         /29 Fst7         /29 Prp0
      /30 Tot32         /30 Org7         /30 Nxt7         /30 Trn0         /30 Fst18         /30 Prp0
      /31 Tot4         /31 Org3         /31 Nxt0         /31 Trn0         /31 Fst1         /31 Prp0
      /32 Tot4         /32 Org3         /32 Nxt1         /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 /57       % AS's announcing span of /50.0001
    AS's announcing span of /68       % AS's announcing span of /60.0001
    AS's announcing span of /725       % AS's announcing span of /70.0004
    AS's announcing span of /842       % AS's announcing span of /80.0007
    AS's announcing span of /973       % AS's announcing span of /90.0013
    AS's announcing span of /10110       % AS's announcing span of /100.0019
    AS's announcing span of /11174       % AS's announcing span of /110.0030
    AS's announcing span of /12217       % AS's announcing span of /120.0038
    AS's announcing span of /13469       % AS's announcing span of /130.0081
    AS's announcing span of /14851       % AS's announcing span of /140.0148
    AS's announcing span of /151742       % AS's announcing span of /150.0303
    AS's announcing span of /161791       % AS's announcing span of /160.0311
    AS's announcing span of /172255       % AS's announcing span of /170.0392
    AS's announcing span of /183555       % AS's announcing span of /180.0618
    AS's announcing span of /194589       % AS's announcing span of /190.0797
    AS's announcing span of /206002       % AS's announcing span of /200.1043
    AS's announcing span of /217344       % AS's announcing span of /210.1276
    AS's announcing span of /228841       % AS's announcing span of /220.1536
    AS's announcing span of /235898       % AS's announcing span of /230.1025
    AS's announcing span of /2413545       % AS's announcing span of /240.2353
    AS's announcing span of /2514       % AS's announcing span of /250.0002
    AS's announcing span of /266       % AS's announcing span of /260.0001
    AS's announcing span of /273       % AS's announcing span of /270.0001
    AS's announcing span of /280       % 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 Count93775
Average AS Connectivity Degree (187550/57875)3.2406
Average AS Connectivity IN:OUT Degree0.1430
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 Path367726Report (sort by %reduction)Report (sort by reduction)BGP Table
    Aggregation using AS Path358886Report (sort by %reduction)Report (sort by reduction)BGP Table
    Aggregation using AS Origin256899Report (sort by %reduction)Report (sort by reduction)BGP Table
    Maximal Aggregation256923Report (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 Mon Jun 26 08:10:13 2017 (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