Report for 25577

Name

C4L-AS - MAINFRAME & CYBERNETIC SYSTEMS LIMITED, 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.

25577 C4L-AS - MAINFRAME & CYBERNETIC SYSTEMS LIMITED, GB

  Adjacency:    13  Upstream:     5  Downstream:     8
  Upstream Adjacent AS list
    AS4637          ASN-TELSTRA-GLOBAL - Telstra Global, HK
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS7575          AARNET-AS-AP - Australian Academic and Research Network (AARNet), AU
    AS3257          GTT-BACKBONE - GTT Communications Inc., US
    AS3223          VOXILITY - Voxility LLP, GB
  Downstream Adjacent AS list
    AS56990         SYSCOMM - Syscomm Limited, GB
    AS51572         CERULEAN - Cerulean Solutions Limited, GB
    AS203035        xc360 - Xara Computers (UK) Ltd, GB
    AS44934         ARACHSYS - Arachsys Internet Services Ltd, GB
    AS50882         MAXNETT - Maxnett Ltd., GB
    AS49503         IDE-GROUP-MANAGE - MAINFRAME & CYBERNETIC SYSTEMS LIMITED, GB
    AS59493         MIMIC - Cudo Ventures Ltd, GB
    AS31708         COREIX-UK-AS - Coreix Ltd, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4144  AS25577        ORG+TRN Originate:      55552 /16.24  Transit:      45824 /16.52 C4L-AS - MAINFRAME & CYBERNETIC SYSTEMS LIMITED, 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       %
15976 AS25577       C4L-AS - MAINFRAME & CYBERNETIC SYSTEMS LIMIT     54      3      1     52      2   3.70%


  Prefix               AS Path                              Aggregation Suggestion
  5.133.184.0/22       4608 7575 25577        
  5.133.188.0/23       4608 7575 25577        
  5.133.191.0/24       4608 7575 25577        
  31.3.208.0/24        4608 7575 25577        
  31.3.211.0/24        4608 7575 25577        
  31.3.212.0/23        4608 7575 25577        
  31.3.221.0/24        4608 7575 25577        
  31.3.223.0/24        4608 7575 25577        
  37.58.24.0/22        4608 7575 25577        
  37.58.29.0/24        4608 7575 25577        
  62.69.143.0/24       4608 7575 25577        
  77.73.11.0/24        4608 7575 25577        
  77.73.15.0/24        4608 7575 25577        
  78.40.56.0/23        4608 7575 25577        
  78.40.61.0/24        4608 7575 25577        
  81.27.64.0/24        4608 7575 25577        
  81.27.66.0/23        4608 7575 25577        
  81.27.72.0/23        4608 7575 25577        
  81.27.75.0/24        4608 7575 25577        
  81.27.76.0/24        4608 7575 25577        
  81.27.80.0/22        4608 7575 25577        
  81.27.81.0/24        4777 2516 3356 3223 25577   
  81.27.87.0/24        4608 7575 25577        
  81.27.88.0/21        4608 1221 4637 25577   
  81.27.88.0/22        4608 7575 25577        
  81.27.92.0/23        4608 1221 4637 25577 - Withdrawn - matching aggregate 81.27.88.0/21 4608 1221 4637 25577
  81.27.92.0/24        4608 7575 25577        
  81.27.94.0/23        4608 7575 25577      + Announce - aggregate of 81.27.94.0/24 (4608 7575 25577) and 81.27.95.0/24 (4608 7575 25577)
  81.27.94.0/24        4608 7575 25577      - Withdrawn - aggregated with 81.27.95.0/24 (4608 7575 25577)
  81.27.95.0/24        4608 7575 25577      - Withdrawn - aggregated with 81.27.94.0/24 (4608 7575 25577)
  82.197.72.0/24       4608 7575 25577        
  84.45.8.0/21         4608 7575 25577        
  84.45.16.0/20        4608 7575 25577        
  84.45.32.0/19        4608 7575 25577        
  84.45.64.0/18        4608 7575 25577        
  84.45.75.0/24        4777 2516 3356 3223 25577   
  85.159.88.0/24       4608 7575 25577        
  85.159.90.0/23       4608 7575 25577        
  85.159.95.0/24       4608 7575 25577        
  109.68.64.0/23       4608 7575 25577        
  109.68.68.0/24       4608 7575 25577        
  109.104.96.0/23      4608 7575 25577        
  109.104.98.0/24      4608 7575 25577        
  109.104.100.0/23     4608 7575 25577        
  109.104.105.0/24     4608 7575 25577        
  109.104.112.0/24     4608 7575 25577        
  109.104.114.0/24     4608 7575 25577        
  109.104.116.0/22     4608 7575 25577        
  109.104.120.0/21     4608 1221 4637 25577   
  109.104.122.0/23     4777 2516 3257 25577   
  109.104.124.0/22     4777 2516 3257 25577   
  178.251.233.0/24     4608 7575 25577        
  178.251.239.0/24     4608 7575 25577        
  185.5.88.0/22        4608 7575 25577        
  185.229.20.0/23      4608 7575 25577        

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

AS25577   8 More Specifics   54 Total Advertisements   C4L-AS - MAINFRAME & CYBERNETIC SYSTEMS LIMITED, GB
    62.69.143.0/24                62.69.136.0/21
    81.27.81.0/24                 81.27.80.0/22
    81.27.94.0/24                 81.27.94.0/23
    81.27.95.0/24                 81.27.94.0/23
    84.45.75.0/24                 84.45.64.0/18
    109.68.64.0/23                109.68.64.0/21
    109.68.68.0/24                109.68.64.0/21
    185.229.20.0/23               185.229.20.0/22

Whois Entry

whois: 402591

IANA has recorded AS25577 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS25577\n             % This is the RIPE Database query service.
             % The objects are in RPSL format.
             %
             % The RIPE Database is subject to Terms and Conditions.
             % See https://docs.db.ripe.net/terms-conditions.html
             
             %ERROR:201: access denied for 203.119.106.26
             %
             % Queries from your IP address have passed the daily limit of controlled objects.
             % Access from your host has been temporarily denied.
             % For more information, see
             % https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)