Report for 42237

Name

w1n - w1n ltd, 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.

42237 w1n - w1n ltd, GB

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3399          OBE-NET - Obenet AB, SE

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
28979 AS42237        ORIGIN  Originate:       1792 /21.19  Transit:          0 /0.00  w1n - w1n ltd, 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       %
16492 AS42237       w1n - w1n ltd, GB                                  7      4      2      5      2  28.57%


  Prefix               AS Path                              Aggregation Suggestion
  91.236.116.0/24      4777 2516 3257 3399 42237   
  185.217.0.0/23       4777 2516 3257 3399 42237 + Announce - aggregate of 185.217.0.0/24 (4777 2516 3257 3399 42237) and 185.217.1.0/24 (4777 2516 3257 3399 42237)
  185.217.0.0/24       4777 2516 3257 3399 42237 - Withdrawn - aggregated with 185.217.1.0/24 (4777 2516 3257 3399 42237)
  185.217.1.0/24       4777 2516 3257 3399 42237 - Withdrawn - aggregated with 185.217.0.0/24 (4777 2516 3257 3399 42237)
  185.246.128.0/23     4777 2516 3257 3399 42237 + Announce - aggregate of 185.246.128.0/24 (4777 2516 3257 3399 42237) and 185.246.129.0/24 (4777 2516 3257 3399 42237)
  185.246.128.0/24     4777 2516 3257 3399 42237 - Withdrawn - aggregated with 185.246.129.0/24 (4777 2516 3257 3399 42237)
  185.246.129.0/24     4777 2516 3257 3399 42237 - Withdrawn - aggregated with 185.246.128.0/24 (4777 2516 3257 3399 42237)
  185.246.130.0/24     4777 2516 3257 3399 42237   
  193.105.134.0/24     4777 2516 3257 3399 42237   

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

AS42237   5 More Specifics   7 Total Advertisements   w1n - w1n ltd, GB
    185.217.0.0/24                185.217.0.0/22
    185.217.1.0/24                185.217.0.0/22
    185.246.128.0/24              185.246.128.0/22
    185.246.129.0/24              185.246.128.0/22
    185.246.130.0/24              185.246.128.0/22

Whois Entry

whois: 402599

IANA has recorded AS42237 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS42237\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 203.119.110.26
             %
             % 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)