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Geoff Huston

Comments to: cidr-reports@potaroo.net



IPv6 CIDR REPORT for 14 Mar 26

Report Sections:


This report is generated from an analysis of the BGP routing table withinAS131072, and was produced at Sat Mar 14 19:46:50 2026 AEST.


Status Summary

Table History


        Date      Prefixes    CIDR Agg
        07-03-26    246264      123916
        08-03-26    246652      123896
        09-03-26    246788      123973
        10-03-26    246685      124175
        11-03-26    246788      124097
        12-03-26    246701      124162
        13-03-26    246710      124274
        14-03-26    246861      124274

 

AS Summary


         36450  Number of ASes in routing system
         22127  Number of ASes announcing only one prefix
          6907  Largest number of prefixes announced by an AS
                AS9808 : CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
      288230402921857024 (/6.00) Largest address span announced by an AS (/64s)
                AS32098: TRANSTELCO-INC - Transtelco Inc, 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.

         --- 14Mar26 ---
        ASnum         NetsNow NetsAggr  NetGain   % Gain   Description

        Table          246799   124206   122593    49.7%   All ASes

        AS9808           6907     1358     5549    80.3%   CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
        AS7552           3980        6     3974    99.8%   VIETEL-AS-AP Viettel Group, VN
        AS45609          3602      777     2825    78.4%   BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
        AS18403          3573     1209     2364    66.2%   FPT-AS-AP FPT Telecom Company, VN
        AS16509          5461     3248     2213    40.5%   AMAZON-02 - Amazon.com, Inc., US
        AS39891          2006      144     1862    92.8%   ALJAWWALSTC-AS, SA
        AS11172          2414      588     1826    75.6%   Alestra, S. de R.L. de C.V., MX
        AS56041          1881      162     1719    91.4%   CMNET-ZHEJIANG-AP China Mobile communications corporation, CN
        AS24547          1737       34     1703    98.0%   CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Limited, CN
        AS32098          1816      114     1702    93.7%   TRANSTELCO-INC - Transtelco Inc, US
        AS12479          1528       60     1468    96.1%   UNI2-AS, ES
        AS56046          1521       61     1460    96.0%   CMNET-JIANGSU-AP China Mobile communications corporation, CN
        AS28573          1667      240     1427    85.6%   Claro NXT Telecomunicacoes Ltda, BR
        AS22773          1450       52     1398    96.4%   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
        AS56044          1247       24     1223    98.1%   CMNET-AS-LIAONING China Mobile communications corporation, CN
        AS47331          1272       55     1217    95.7%   TTNET, TR
        AS26611          1188       80     1108    93.3%   COMUNICACION CELULAR S.A. COMCEL S.A., CO
        AS36992          1451      406     1045    72.0%   ETISALAT-MISR, EG
        AS5416           1043        3     1040    99.7%   Internet Service Provider, BH
        AS132884         1028        4     1024    99.6%   SUMMIT-BD Summit Communications Limited, BD
        AS45271          1256      268      988    78.7%   VIL-AS-AP Vodafone Idea Ltd, IN
        AS62240          1103      147      956    86.7%   CLOUVIDER Clouvider - Global ASN, GB
        AS38266          1346      425      921    68.4%   VIL-AS-AP Vodafone Idea Ltd, IN
        AS4808           1018      156      862    84.7%   CHINA169-BJ China Unicom Beijing Province Network, CN
        AS17853           785        4      781    99.5%   LGTELECOM-AS-KR LGTELECOM, KR
        AS9829           1021      291      730    71.5%   BSNL-NIB National Internet Backbone, IN
        AS6167           1525      873      652    42.8%   CELLCO-PART - Verizon Business, US
        AS11664          1245      596      649    52.1%   Techtel LMDS Comunicaciones Interactivas S.A., AR
        AS56167           648       14      634    97.8%   PTML-PK Plot No 181-186 Street, PK
        AS4134            626       45      581    92.8%   CHINANET-BACKBONE No.31,Jin-rong Street, CN

        Total           57345    11444    45901    80.0%   Top 30 total


        Top 20 Route Count per Originating AS
        Prefixes ASnum   AS Description
            6907 AS9808  CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
            5461 AS16509 AMAZON-02 - Amazon.com, Inc., US
            3980 AS7552  VIETEL-AS-AP Viettel Group, VN
            3602 AS45609 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
            3573 AS18403 FPT-AS-AP FPT Telecom Company, VN
            3028 AS13335 CLOUDFLARENET - Cloudflare, Inc., US
            2414 AS11172 Alestra, S. de R.L. de C.V., MX
            2006 AS39891 ALJAWWALSTC-AS, SA
            1881 AS56041 CMNET-ZHEJIANG-AP China Mobile communications corporation, CN
            1816 AS32098 TRANSTELCO-INC - Transtelco Inc, US
            1774 AS17622 CNCGROUP-GZ China Unicom Guangzhou network, CN
            1737 AS24547 CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Limited, CN
            1667 AS28573 Claro NXT Telecomunicacoes Ltda, BR
            1644 AS36183 AKAMAI-AS - Akamai Technologies, Inc., US
            1528 AS12479 UNI2-AS, ES
            1525 AS6167  CELLCO-PART - Verizon Business, US
            1521 AS56046 CMNET-JIANGSU-AP China Mobile communications corporation, CN
            1451 AS36992 ETISALAT-MISR, EG
            1450 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
            1427 AS17072 TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX


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.