Report for 28521

Name

AS28521 - AT&T COMUNICACIONES DIGITALES S DE RL, 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 AS6447) 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.

28521 AT&T COMUNICACIONES DIGITALES S DE RL, MX

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS11172         Alestra, S. de R.L. de C.V., MX
    AS28469         AT&T COMUNICACIONES DIGITALES S DE RL, MX

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
44800 AS28521        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  AT&T COMUNICACIONES DIGITALES S DE RL, 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       %
38379 AS28521       AT&T COMUNICACIONES DIGITALES S DE RL, MX          2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  201.130.56.0/23      3257 28469 28469 28521   
  201.130.56.0/24      2914 174 11172 11172 11172 11172 11172 11172 11172 11172 11172 11172 28521   

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

AS28521   4 More Specifics   4 Total Advertisements   AT&T COMUNICACIONES DIGITALES S DE RL, MX
    201.130.47.0/24               201.130.32.0/20
    201.130.56.0/23               201.130.48.0/20
    201.130.56.0/24               201.130.48.0/20
    201.130.57.0/24               201.130.48.0/20

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 201.130.47.0/24             Announced

Whois Entry

whois: 402551

IANA has recorded AS28521 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28521\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded