Report for 28538

Name

Cablemas Telecomunicaciones SA de CV, MX

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.

28538 Cablemas Telecomunicaciones SA de CV, MX

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS18734         Operbes, S.A. de C.V., MX

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19685 AS28538        ORIGIN  Originate:       3072 /20.42  Transit:          0 /0.00  Cablemas Telecomunicaciones SA de CV, MX

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       %
15929 AS28538       Cablemas Telecomunicaciones SA de CV, MX           7      2      0      5      2  28.57%


  Prefix               AS Path                              Aggregation Suggestion
  177.236.128.0/22     4777 2497 3356 18734 28538   
  177.236.128.0/23     4777 2497 3356 18734 28538 - Withdrawn - matching aggregate 177.236.128.0/22 4777 2497 3356 18734 28538
  177.236.130.0/23     4777 2497 3356 18734 28538 - Withdrawn - matching aggregate 177.236.128.0/22 4777 2497 3356 18734 28538
  177.236.165.0/24     4777 2497 3356 18734 28538   
  177.239.236.0/24     4777 2497 3356 18734 28538   
  189.215.129.0/24     4777 2497 3356 18734 28538   
  189.215.130.0/24     4777 2497 3356 18734 28538   

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

AS28538   7 More Specifics   7 Total Advertisements   Cablemas Telecomunicaciones SA de CV, MX
    177.236.128.0/22              177.236.0.0/14
    177.236.128.0/23              177.236.0.0/14
    177.236.130.0/23              177.236.0.0/14
    177.236.165.0/24              177.236.0.0/14
    177.239.236.0/24              177.236.0.0/14
    189.215.129.0/24              189.214.0.0/15
    189.215.130.0/24              189.214.0.0/15

Whois Entry

whois: 402332

IANA has recorded AS28538 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS28538\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)