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Geoff Huston

Comments to: cidr-reports@potaroo.net


IPv6 CIDR REPORT for 17 Oct 26

Report Sections:

This report is generated from an analysis of the BGP routing table withinRouteViews, and was produced at Sat Oct 17 00:15:15 2026 AEST.

Status Summary

Table History


        Date      Prefixes    CIDR Agg
        10-10-26    264396      133689
        11-10-26    264620      133203
        12-10-26    264538      133666
        13-10-26    264801      134218
        14-10-26    265374      134119
        15-10-26    265534      134934
        16-10-26    265880      135340
        17-10-26    266042      135340

 

AS Summary


         37925  Number of ASes in routing system
         18571  Number of ASes announcing only one prefix
          7190  Largest number of prefixes announced by an AS
                AS9808 : CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd., CN
      36318243913728 (/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. 

         --- 17Oct26 ---
        ASnum         NetsNow NetsAggr  NetGain   % Gain   Description

        Table          266042   135340   130702    49.1%   All ASes

        AS9808           7190     1004     6186    86.0%   CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd., CN
        AS4538           5015      422     4593    91.6%   ERX-CERNET-BKB - China Education and Research Network Center, CN
        AS7552           4044      269     3775    93.3%   VIETEL-AS-AP - Viettel Group, VN
        AS45609          3622      928     2694    74.4%   BHARTI-MOBILITY-AS-AP - Bharti Airtel Ltd. AS for GPRS Service, IN
        AS18403          3772     1125     2647    70.2%   FPT-VN - FPT Telecom Company, VN
        AS16509          5948     3778     2170    36.5%   AMAZON-02 - Amazon.com, Inc., US
        AS56041          2312      199     2113    91.4%   CMNET-Zhejiang-AP - China Mobile communications corporation, CN
        AS24547          2126       36     2090    98.3%   CMNET-V4HEBEI-AS-AP - Hebei Mobile Communication Company Limited, CN
        AS39891          2289      341     1948    85.1%   ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA
        AS11172          3088     1168     1920    62.2%   AS11172 - Alestra, S. de R.L. de C.V., MX
        AS56046          1597       71     1526    95.6%   CMNET-Jiangsu-AP - China Mobile communications corporation, CN
        AS32098          2474     1011     1463    59.1%   TRANSTELCO-INC - Transtelco Inc, US
        AS22773          1457       62     1395    95.7%   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
        AS56044          1253       28     1225    97.8%   CMNET-AS-Liaoning - China Mobile communications corporation, CN
        AS47331          1288       76     1212    94.1%   TTNET - TTNet A.S., TR
        AS36992          1653      509     1144    69.2%   ETISALAT MISR - ETISALAT MISR, EG
        AS28573          1668      562     1106    66.3%   AS28573 - Claro NXT Telecomunicacoes Ltda, BR
        AS5416           1043       12     1031    98.8%   UNSPECIFIED - BEYON B.S.C., BH
        AS25019          1267      240     1027    81.1%   SAUDINETSTC-AS - Saudi Telecom Company JSC, SA
        AS62240          1136      160      976    85.9%   Clouvider - Clouvider Limited, GB
        AS45271          1252      317      935    74.7%   VIL-AS-AP - Vodafone Idea Ltd, IN
        AS26611          1002       80      922    92.0%   AS26611 - COMUNICACION CELULAR S.A. COMCEL S.A., CO
        AS38266          1366      447      919    67.3%   VIL-AS-AP - Vodafone Idea Ltd, IN
        AS9829           1137      302      835    73.4%   BSNL-NIB - National Internet Backbone, IN
        AS20115          2332     1526      806    34.6%   CHARTER-20115 - Charter Communications LLC, US
        AS17853          1214      409      805    66.3%   LGTELECOM-AS-KR-KR - LGTELECOM, KR
        AS11664          1432      631      801    55.9%   AS11664 - Techtel LMDS Comunicaciones Interactivas S.A., AR
        AS30036          1283      513      770    60.0%   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US
        AS4808            932      166      766    82.2%   CHINA169-BJ - China Unicom Beijing Province Network, CN
        AS56167           648       14      634    97.8%   PTML-PK - Plot No 181-186 Street, PK

        Total           66840    16406    50434    75.5%   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.