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Geoff Huston

Comments to: cidr-reports@potaroo.net


IPv6 CIDR REPORT for 10 Sep 24

Report Sections:

This report is generated from an analysis of the BGP routing table withinRouteViews, and was produced at Tue Sep 10 08:35:16 2024 AEST.

Status Summary

Table History


        Date      Prefixes    CIDR Agg
        03-09-24    219947      114671
        04-09-24    221943      115431
        05-09-24    221157      115434
        06-09-24    221410      114739
        07-09-24    221545      114876
        08-09-24    223423      115065
        09-09-24    223554      116167
        10-09-24    223638      116166

 

AS Summary


         34131  Number of ASes in routing system
         19249  Number of ASes announcing only one prefix
          7100  Largest number of prefixes announced by an AS
                AS11172: Alestra, S. de R.L. de C.V., MX
      36318243520512 (/18.95) Largest address span announced by an AS (/64s)
                AS7922 : COMCAST-7922, US

Aggregation Summary


The algorithm used in this report proposes aggregation only when there is a precise match using AS path so as to preserve traffic transit policies. 

         --- 10Sep24 ---
        ASnum         NetsNow NetsAggr  NetGain   % Gain   Description

        Table          224534   117014   107520    47.9%   All ASes

        AS11172          7100     2525     4575    64.4%   Alestra, S. de R.L. de C.V., MX
        AS9808           5031      733     4298    85.4%   CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
        AS18403          3598      285     3313    92.1%   FPT-AS-AP FPT Telecom Company, VN
        AS7552           3058      196     2862    93.6%   VIETEL-AS-AP Viettel Group, VN
        AS45609          2907      563     2344    80.6%   BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
        AS60539          2049        2     2047    99.9%   HUICAST_TELECOM, HK
        AS24547          2068       36     2032    98.3%   CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Limited, CN
        AS16509          5119     3346     1773    34.6%   AMAZON-02, US
        AS39891          1762      112     1650    93.6%   ALJAWWALSTC-AS, SA
        AS4538           3055     1654     1401    45.9%   ERX-CERNET-BKB China Education and Research Network Center, CN
        AS45271          1694      325     1369    80.8%   ICLNET-AS-AP Idea Cellular Limited, IN
        AS22773          1315       65     1250    95.1%   ASN-CXA-ALL-CCI-22773-RDC, US
        AS28573          1569      378     1191    75.9%   Claro NXT Telecomunicacoes Ltda, BR
        AS56046          1207       60     1147    95.0%   CMNET-JIANGSU-AP China Mobile communications corporation, CN
        AS47331          1190       75     1115    93.7%   TTNET, TR
        AS56044          1110       20     1090    98.2%   CMNET-AS-LIAONING China Mobile communications corporation, CN
        AS56041          1111       33     1078    97.0%   CMNET-ZHEJIANG-AP China Mobile communications corporation, CN
        AS62240          1147      107     1040    90.7%   CLOUVIDER Clouvider - Global ASN, GB
        AS5416           1037        4     1033    99.6%   Internet Service Provider, BH
        AS4808           1178      150     1028    87.3%   CHINA169-BJ China Unicom Beijing Province Network, CN
        AS132884         1028        1     1027    99.9%   SUMMIT-BD Summit Communications Limited, BD
        AS38266          1399      412      987    70.6%   VIL-AS-AP Vodafone Idea Ltd, IN
        AS32098          1229      459      770    62.7%   TRANSTELCO-INC, US
        AS11664           856      126      730    85.3%   Techtel LMDS Comunicaciones Interactivas S.A., AR
        AS17853           746       22      724    97.1%   LGTELECOM-AS-KR LGTELECOM, KR
        AS7545           1971     1274      697    35.4%   TPG-INTERNET-AP TPG Telecom Limited, AU
        AS56047           722       50      672    93.1%   CMNET-HUNAN-AP China Mobile communications corporation, CN
        AS22677          1917     1247      670    35.0%   CHARTER-22677-MO-IL-C3, US
        AS26611           792      150      642    81.1%   COMUNICACION CELULAR S.A. COMCEL S.A., CO
        AS56167           648       14      634    97.8%   PTML-PK Plot No 181-186 Street, PK

        Total           59613    14424    45189    75.8%   Top 30 total




        Top 20 Route Count per Originating AS
        Prefixes ASnum   AS Description

Last Week's Changes


This a daily snapshot of changes in routes being withdrawn and added.
The deltas are calculated over a rolling 7 day period. Please bear in mind this
is purely a "snapshot" and a large flucuation could be caused by a connectivity
problem, for example.