BGP Home    Table Reports    CIDR Reports    Update Reports   IPv4 Reports   IPv6 Reports   ASN Reports    Distribution Reports  
   AS6447 BGP Routing Table Analysis Report
   
  BGP data obtained from AS6447
Report last updated at Fri Dec 5 08:00:00 2025 (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)1076620   Change in FIB Size-72   Change (%)-0.007
    All BGP entries (RIB)17920921
    RIB/FIB ratio (17920921/1076620)16.6455
      Valid entries17920921
      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)3101574622
    Total address space advertised (prefix length)0.46964631
    Percentage of IPv4 space advertised (3101574622/4294967295)72.214162
    Total address space advertised - corrected to 19 /8s(data)
Average address span 2881
    Average address span (as prefix size)20.5081
Average prefix length22.9710

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 aggregates572139       Specifics as % of FIB entries (572139/1076620)53.1421
    Specifics as % of address span (1137119977/3101574622)36.6627    
    Specifics where AS prepended Path matches aggregate239942         AS-P_Path-Match % (239942/572139)41.94
    AS Path matches aggregate257420         AS-Path-Match % (257420/572139)44.9926
    AS Origin matches aggregate440567         AS-Origin-Match % (440567/572139)77.0035
    Root Prefixes504481
Root Prefix Tree Depth(data)
      Root Prefixes with depth 0445321
      Root Prefixes with depth 147389
      Root Prefixes with depth 29570
      Root Prefixes with depth 31667
      Root Prefixes with depth 4420
      Root Prefixes with depth 580
      Root Prefixes with depth 626
      Root Prefixes with depth 77
      Root Prefixes with depth 81

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 ASes78092       ASes visible in only one AS path46523
    Origin only ASes65504         Origin ASs announced via a single AS path45344
    Transit only ASes663       Originating AS ATOM count77429
    Mixed ASes11925         Originating AS ATOM compression0.0719
    Multi-Origin Prefixes5451    
    ASes originating a single prefix26770    
    Average FIB entries per Origin AS13.9046         Maximum entries for an origin AS (AS60068)378
    Average address range span for an origin AS40057.0151         Maximum address range for an origin AS (AS749)227885312

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 Paths2096694       Unique AS prepended Paths2262846
AS Paths used in FIB130323       AS Paths using prepending606115
    AS paths associated with a single FIB entry62275       AS Paths using private ASs96
    Average AS path length3.8806       Number of Prefixes with Selected AS Prepending Paths122235
      Maximum AS Path length16       Number of Prefixes with AS Prepending Paths122235
    Average address weighted AS path length4.8731       Maximum prepended AS Path length144
    Average entries per AS Path0.5135       Average entries per FIB AS Path8.2612
    AS Paths per origin AS27.0789       FIB AS Paths per origin AS1.6831
      AS PATH ATOM compression0.1210    

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 /816       % Prefix /80.00
    Prefix count /914       % Prefix /90.00
    Prefix count /1041       % Prefix /100.00
    Prefix count /1194       % Prefix /110.01
    Prefix count /12298       % Prefix /120.03
    Prefix count /13582       % Prefix /130.05
    Prefix count /141213       % Prefix /140.11
    Prefix count /152130       % Prefix /150.20
    Prefix count /1613780       % Prefix /161.28
    Prefix count /178421       % Prefix /170.78
    Prefix count /1813870       % Prefix /181.29
    Prefix count /1925573       % Prefix /192.38
    Prefix count /2046684       % Prefix /204.34
    Prefix count /2154398       % Prefix /215.05
    Prefix count /22116449       % Prefix /2210.82
    Prefix count /23112981       % Prefix /2310.49
    Prefix count /24677117       % Prefix /2462.89
    Prefix count /25395       % Prefix /250.04
    Prefix count /26563       % Prefix /260.05
    Prefix count /271036       % Prefix /270.10
    Prefix count /2862       % Prefix /280.01
    Prefix count /2989       % Prefix /290.01
    Prefix count /3015       % Prefix /300.00
    Prefix count /314       % Prefix /310.00
    Prefix count /32795       % Prefix /320.07

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 /816       % Prefix /80.00
    Prefix count /99       % Prefix /90.00
    Prefix count /1041       % Prefix /100.01
    Prefix count /1187       % Prefix /110.02
    Prefix count /12260       % Prefix /120.05
    Prefix count /13486       % Prefix /130.10
    Prefix count /141025       % Prefix /140.20
    Prefix count /151626       % Prefix /150.32
    Prefix count /1610917       % Prefix /162.16
    Prefix count /174455       % Prefix /170.88
    Prefix count /186979       % Prefix /181.38
    Prefix count /1914910       % Prefix /192.96
    Prefix count /2020491       % Prefix /204.06
    Prefix count /2122894       % Prefix /214.54
    Prefix count /2260221       % Prefix /2211.94
    Prefix count /2344727       % Prefix /238.87
    Prefix count /24315071       % Prefix /2462.45
    Prefix count /256       % Prefix /250.00
    Prefix count /262       % Prefix /260.00
    Prefix count /272       % Prefix /270.00
    Prefix count /282       % Prefix /280.00
    Prefix count /290       % Prefix /290.00
    Prefix count /300       % Prefix /300.00
    Prefix count /310       % Prefix /310.00
    Prefix count /32254       % Prefix /320.05

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 00       % Addresses at AS distance 00.0
    Addresses at AS distance 1152212156       % Addresses at AS distance 13.6
    Addresses at AS distance 22081001717       % Addresses at AS distance 249.1
    Addresses at AS distance 31565128006       % Addresses at AS distance 336.9
    Addresses at AS distance 4358243222       % Addresses at AS distance 48.5
    Addresses at AS distance 566767289       % Addresses at AS distance 51.6
    Addresses at AS distance 68190337       % Addresses at AS distance 60.2
    Addresses at AS distance 77079168       % Addresses at AS distance 70.2
    Addresses at AS distance 866304       % Addresses at AS distance 80.0
    Addresses at AS distance 95120       % Addresses at AS distance 90.0
    Addresses at AS distance 100       % Addresses at AS distance 100.0
    Addresses at AS distance 110       % Addresses at AS distance 110.0
    Addresses at AS distance 120       % Addresses at AS distance 120.0
    Addresses at AS distance 131280       % 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 hops0       % Addresses reachable within 0 AS hops0
    Addresses reachable within 1 AS hops152212156       % Addresses reachable within 1 AS hops3
    Addresses reachable within 2 AS hops2233213873       % Addresses reachable within 2 AS hops52
    Addresses reachable within 3 AS hops3798341879       % Addresses reachable within 3 AS hops89
    Addresses reachable within 4 AS hops4156585101       % Addresses reachable within 4 AS hops98
    Addresses reachable within 5 AS hops4223352390       % Addresses reachable within 5 AS hops99
    Addresses reachable within 6 AS hops4231542727       % Addresses reachable within 6 AS hops99
    Addresses reachable within 7 AS hops4238621895       % Addresses reachable within 7 AS hops99
    Addresses reachable within 8 AS hops4238688199       % Addresses reachable within 8 AS hops99
    Addresses reachable within 9 AS hops4238693319       % Addresses reachable within 9 AS hops99
    Addresses reachable within 10 AS hops4238693319       % Addresses reachable within 10 AS hops99
    Addresses reachable within 11 AS hops4238693319       % Addresses reachable within 11 AS hops99
    Addresses reachable within 12 AS hops4238693319       % Addresses reachable within 12 AS hops99
    Addresses reachable within 13 AS hops4238694599       % Addresses reachable within 13 AS hops100
    Addresses reachable within 14 AS hops4238694599       % Addresses reachable within 14 AS hops100
    Addresses reachable within 15 AS hops4238694599       % 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 hops22       % ASes reachable at 1 AS hops0
    ASes reachable at 2 AS hops15327       % ASes reachable at 2 AS hops19
    ASes reachable at 3 AS hops46269       % ASes reachable at 3 AS hops59
    ASes reachable at 4 AS hops13218       % ASes reachable at 4 AS hops16
    ASes reachable at 5 AS hops2531       % ASes reachable at 5 AS hops3
    ASes reachable at 6 AS hops541       % ASes reachable at 6 AS hops0
    ASes reachable at 7 AS hops156       % ASes reachable at 7 AS hops0
    ASes reachable at 8 AS hops10       % ASes reachable at 8 AS hops0
    ASes reachable at 9 AS hops1       % ASes reachable at 9 AS hops0
    ASes reachable at 10 AS hops4       % ASes reachable at 10 AS hops0
    ASes reachable at 11 AS hops4       % ASes reachable at 11 AS hops0
    ASes reachable at 12 AS hops4       % ASes reachable at 12 AS hops0
    ASes reachable at 13 AS hops4       % 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 hops23       Cumulative % ASes by AS hops 10.0
    ASes reachable by 2 AS hops15350       Cumulative % ASes by AS hops 219.7
    ASes reachable by 3 AS hops61619       Cumulative % ASes by AS hops 378.9
    ASes reachable by 4 AS hops74837       Cumulative % ASes by AS hops 495.8
    ASes reachable by 5 AS hops77368       Cumulative % ASes by AS hops 599.1
    ASes reachable by 6 AS hops77909       Cumulative % ASes by AS hops 699.8
    ASes reachable by 7 AS hops78065       Cumulative % ASes by AS hops 7100.0
    ASes reachable by 8 AS hops78075       Cumulative % ASes by AS hops 8100.0
    ASes reachable by 9 AS hops78076       Cumulative % ASes by AS hops 9100.0
    ASes reachable by 10 AS hops78080       Cumulative % ASes by AS hops 10100.0
    ASes reachable by 11 AS hops78084       Cumulative % ASes by AS hops 11100.0
    ASes reachable by 12 AS hops78088       Cumulative % ASes by AS hops 12100.0
    ASes reachable by 13 AS hops78092       Cumulative % ASes by AS hops 13100.0
    ASes reachable by 14 AS hops78092       Cumulative % ASes by AS hops 14100.0
    ASes reachable by 15 AS hops78092       Cumulative % ASes by AS hops 15100.0

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 /42       % AS's announcing span of /40.0000
    AS's announcing span of /55       % AS's announcing span of /50.0001
    AS's announcing span of /611       % AS's announcing span of /60.0001
    AS's announcing span of /721       % AS's announcing span of /70.0003
    AS's announcing span of /842       % AS's announcing span of /80.0005
    AS's announcing span of /974       % AS's announcing span of /90.0010
    AS's announcing span of /10103       % AS's announcing span of /100.0013
    AS's announcing span of /11175       % AS's announcing span of /110.0023
    AS's announcing span of /12241       % AS's announcing span of /120.0031
    AS's announcing span of /13402       % AS's announcing span of /130.0052
    AS's announcing span of /14840       % AS's announcing span of /140.0109
    AS's announcing span of /151637       % AS's announcing span of /150.0212
    AS's announcing span of /161799       % AS's announcing span of /160.0233
    AS's announcing span of /172459       % AS's announcing span of /170.0319
    AS's announcing span of /183787       % AS's announcing span of /180.0491
    AS's announcing span of /195148       % AS's announcing span of /190.0667
    AS's announcing span of /207857       % AS's announcing span of /200.1018
    AS's announcing span of /2110342       % AS's announcing span of /210.1340
    AS's announcing span of /2212735       % AS's announcing span of /220.1650
    AS's announcing span of /2310098       % AS's announcing span of /230.1308
    AS's announcing span of /2419389       % AS's announcing span of /240.2512
    AS's announcing span of /251       % AS's announcing span of /250.0000
    AS's announcing span of /263       % AS's announcing span of /260.0000
    AS's announcing span of /272       % AS's announcing span of /270.0000
    AS's announcing span of /283       % 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.

ÿÿÿÿÿÿÿÿ ÿÿÿÿÿÿÿÿ ÿÿÿÿÿÿÿÿ
AS Connectivity ReportData
AS Adjacency Count172508
Average AS Connectivity Degree (345016/78092)4.4181
Average AS Connectivity IN:OUT Degree0.2451
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 Path590467Report (sort by %reduction)Report (sort by reduction)BGP Table
    Aggregation using AS Path575922Report (sort by %reduction)Report (sort by reduction)BGP Table
    Aggregation using AS Origin400237Report (sort by %reduction)Report (sort by reduction)BGP Table
    Maximal Aggregation400262Report (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 AS6447

Report last updated at Fri Dec 5 08:00:00 2025 (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