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Geoff Huston

Comments to: cidr-reports@potaroo.net



IPv6 CIDR REPORT for 11 Jun 26

Report Sections:


This report is generated from an analysis of the BGP routing table withinAS131072, and was produced at Thu Jun 11 06:46:53 2026 AEST.


Status Summary

Table History


        Date      Prefixes    CIDR Agg
        04-06-26    252972      126026
        05-06-26    253047      125843
        06-06-26    252429      126307
        07-06-26    252746      126149
        08-06-26    252537      125079
        09-06-26    252348      125417
        10-06-26    252791      125391
        11-06-26    252853      125391

 

AS Summary


         36897  Number of ASes in routing system
         22397  Number of ASes announcing only one prefix
          7110  Largest number of prefixes announced by an AS
                AS9808 : CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd., CN
      36318243520512 (/18.95) Largest address span announced by an AS (/64s)
                AS7922 : COMCAST-7922 - Comcast Cable Communications, LLC, 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.

         --- 11Jun26 ---
        ASnum         NetsNow NetsAggr  NetGain   % Gain   Description

        Table          252753   125421   127332    50.4%   All ASes

        AS9808           7110     1125     5985    84.2%   CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd., CN
        AS7552           4020        6     4014    99.9%   VIETEL-AS-AP - Viettel Group, VN
        AS18403          3447        1     3446   100.0%   FPT-VN - FPT Telecom Company, VN
        AS45609          3502      892     2610    74.5%   BHARTI-MOBILITY-AS-AP - Bharti Airtel Ltd. AS for GPRS Service, IN
        AS39891          2335       90     2245    96.1%   ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
        AS16509          5643     3427     2216    39.3%   AMAZON-02 - Amazon.com, Inc., US
        AS11172          2587      557     2030    78.5%   AS11172 - Alestra, S. de R.L. de C.V., MX
        AS24547          1905       27     1878    98.6%   CMNET-V4HEBEI-AS-AP - Hebei Mobile Communication Company Limited, CN
        AS32098          1958       88     1870    95.5%   TRANSTELCO-INC - Transtelco Inc, US
        AS56041          1891       39     1852    97.9%   CMNET-Zhejiang-AP - China Mobile communications corporation, CN
        AS56046          1586       50     1536    96.8%   CMNET-Jiangsu-AP - China Mobile communications corporation, CN
        AS12479          1546       34     1512    97.8%   UNI2-AS - Orange Espagne SA, ES
        AS28573          1652      239     1413    85.5%   AS28573 - Claro NXT Telecomunicacoes Ltda, BR
        AS22773          1462       60     1402    95.9%   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
        AS47331          1280       70     1210    94.5%   TTNET - TTNet A.S., TR
        AS56044          1253       52     1201    95.8%   CMNET-AS-Liaoning - China Mobile communications corporation, CN
        AS26611          1185       77     1108    93.5%   AS26611 - COMUNICACION CELULAR S.A. COMCEL S.A., CO
        AS5416           1054       15     1039    98.6%   UNSPECIFIED - BEYON B.S.C., BH
        AS62240          1111      146      965    86.9%   Clouvider - Clouvider Limited, GB
        AS36992          1471      579      892    60.6%   ETISALAT MISR - ETISALAT MISR, EG
        AS45271          1137      262      875    77.0%   VIL-AS-AP - Vodafone Idea Ltd, IN
        AS38266          1255      396      859    68.4%   VIL-AS-AP - Vodafone Idea Ltd, IN
        AS9829           1057      273      784    74.2%   BSNL-NIB - National Internet Backbone, IN
        AS4808            922      160      762    82.6%   CHINA169-BJ - China Unicom Beijing Province Network, CN
        AS6167           1647      889      758    46.0%   CELLCO-PART - Verizon Business, US
        AS20115          2167     1409      758    35.0%   CHARTER-20115 - Charter Communications LLC, US
        AS17853           849      108      741    87.3%   LGTELECOM-AS-KR-KR - LGTELECOM, KR
        AS11664          1316      614      702    53.3%   AS11664 - Techtel LMDS Comunicaciones Interactivas S.A., AR
        AS56047           724       53      671    92.7%   CMNET-Hunan-AP - China Mobile communications corporation, CN
        AS25019           927      260      667    72.0%   SAUDINETSTC-AS - Saudi Telecom Company JSC, SA

        Total           59999    11998    48001    80.0%   Top 30 total


        Top 20 Route Count per Originating AS
        Prefixes ASnum   AS Description
            7110 AS9808  CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd., CN
            5643 AS16509 AMAZON-02 - Amazon.com, Inc., US
            4020 AS7552  VIETEL-AS-AP - Viettel Group, VN
            3502 AS45609 BHARTI-MOBILITY-AS-AP - Bharti Airtel Ltd. AS for GPRS Service, IN
            3447 AS18403 FPT-VN - FPT Telecom Company, VN
            2836 AS13335 CLOUDFLARENET - Cloudflare, Inc., US
            2587 AS11172 AS11172 - Alestra, S. de R.L. de C.V., MX
            2335 AS39891 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
            2167 AS20115 CHARTER-20115 - Charter Communications LLC, US
            1961 AS17622 CNCGROUP-GZ - China Unicom Guangzhou network, CN
            1958 AS32098 TRANSTELCO-INC - Transtelco Inc, US
            1905 AS24547 CMNET-V4HEBEI-AS-AP - Hebei Mobile Communication Company Limited, CN
            1891 AS56041 CMNET-Zhejiang-AP - China Mobile communications corporation, CN
            1652 AS28573 AS28573 - Claro NXT Telecomunicacoes Ltda, BR
            1647 AS6167  CELLCO-PART - Verizon Business, US
            1623 AS36183 AKAMAI-AS - Akamai Technologies, Inc., US
            1586 AS56046 CMNET-Jiangsu-AP - China Mobile communications corporation, CN
            1546 AS12479 UNI2-AS - Orange Espagne SA, ES
            1471 AS36992 ETISALAT MISR - ETISALAT MISR, EG
            1462 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US


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.