Report for 31655

Name

ASN-GAMMATELECOM, GB

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

31655 ASN-GAMMATELECOM, GB

  Adjacency:     9  Upstream:     3  Downstream:     6
  Upstream Adjacent AS list
    AS4637          ASN-TELSTRA-GLOBAL Telstra Global, HK
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
  Downstream Adjacent AS list
    AS205237        SAVILLS-PLC, GB
    AS216167        GAMMA-GCE, GB
    AS8918          CARRIER1-AS, IE
    AS41553         REED-MANAGED-SERVICES, GB
    AS204193        PRAGMA, GB
    AS198472        MANCHESTER-CC-AS, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
595   AS31655        ORG+TRN Originate:     614400 /12.77  Transit:       2048 /21.00 ASN-GAMMATELECOM, GB

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
 7134 AS31655       ASN-GAMMATELECOM, GB                              36      6      0     30      6  16.67%


  Prefix               AS Path                              Aggregation Suggestion
  5.2.96.0/19          4777 2516 3356 31655   
  5.144.156.0/22       4777 2516 3356 31655   
  46.227.48.0/21       4777 2516 3356 31655   
  51.52.0.0/16         4777 2516 3356 31655   
  51.52.50.0/24        4777 2516 3356 31655 - Withdrawn - matching aggregate 51.52.0.0/16 4777 2516 3356 31655
  51.219.0.0/16        4777 2516 3356 31655   
  62.223.128.0/17      4777 2516 3356 31655   
  62.223.251.0/24      4777 2497 2914 31655   
  79.74.0.0/16         4777 2516 3356 31655   
  80.252.64.0/20       4777 2516 3356 31655   
  88.215.0.0/18        4777 2516 3356 31655   
  89.213.8.0/21        4777 2516 3356 31655   
  89.213.16.0/20       4777 2516 3356 31655   
  89.213.32.0/21       4777 2516 3356 31655   
  92.207.0.0/16        4777 2516 3356 31655   
  138.248.16.0/20      4777 2516 3356 31655   
  138.248.32.0/20      4777 2516 3356 31655   
  138.248.128.0/17     4777 2516 3356 31655   
  138.248.140.0/24     4777 2516 3356 31655 - Withdrawn - matching aggregate 138.248.128.0/17 4777 2516 3356 31655
  151.2.128.0/17       4777 2516 3356 31655   
  151.2.128.0/22       4777 2516 3356 31655 - Withdrawn - matching aggregate 151.2.128.0/17 4777 2516 3356 31655
  151.2.132.0/22       4777 2516 3356 31655 - Withdrawn - matching aggregate 151.2.128.0/17 4777 2516 3356 31655
  151.2.136.0/22       4777 2516 3356 31655 - Withdrawn - matching aggregate 151.2.128.0/17 4777 2516 3356 31655
  151.2.140.0/22       4777 2516 3356 31655 - Withdrawn - matching aggregate 151.2.128.0/17 4777 2516 3356 31655
  157.125.0.0/16       4777 2516 3356 31655   
  157.231.0.0/16       4777 2516 3356 31655   
  164.39.128.0/17      4777 2516 3356 31655   
  185.4.196.0/22       4777 2516 3356 31655   
  185.9.232.0/22       4777 2516 3356 31655   
  185.21.208.0/22      4777 2516 3356 31655   
  185.47.104.0/22      4777 2516 3356 31655   
  185.157.103.0/24     4777 2516 3356 31655   
  188.66.64.0/18       4777 2516 3356 31655   
  193.39.16.0/20       4777 2516 3356 31655   
  195.162.96.0/19      4777 2516 3356 31655   
  213.218.192.0/20     4777 2516 3356 31655   

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS31655   11 More Specifics   36 Total Advertisements   ASN-GAMMATELECOM, GB
    51.52.50.0/24                 51.52.0.0/16
    62.223.128.0/17               62.223.0.0/16
    62.223.251.0/24               62.223.0.0/16
    138.248.16.0/20               138.248.16.0/19
    138.248.32.0/20               138.248.16.0/19
    138.248.140.0/24              138.248.128.0/17
    151.2.128.0/22                151.2.128.0/17
    151.2.132.0/22                151.2.128.0/17
    151.2.136.0/22                151.2.128.0/17
    151.2.140.0/22                151.2.128.0/17
    185.157.103.0/24              185.157.100.0/22

Whois Entry

whois: 402332

IANA has recorded AS31655 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS31655\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             %ERROR:101: no entries found
             %
             % No entries found in source APNIC,JPNIC,KRNIC,TWNIC,IDNIC,IRINN-GRS.
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)