Report for 4493

Name

AS4493 - Universidad de Sonora, 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.

4493 AS4493 - Universidad de Sonora, MX

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS13999         AS13999 - Mega Cable, S.A. de C.V., MX

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3924  AS4493         ORIGIN  Originate:      64512 /16.02  Transit:          0 /0.00  AS4493 - Universidad de Sonora, 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       %
 6325 AS4493        AS4493 - Universidad de Sonora, MX                15      9      2      8      7  46.67%


  Prefix               AS Path                              Aggregation Suggestion
  148.225.0.0/17       4608 1221 4637 32098 13999 4493   
  148.225.128.0/20     4608 1221 4637 32098 13999 4493   
  148.225.144.0/22     4608 1221 4637 32098 13999 4493   
  148.225.152.0/21     4608 7575 2914 32098 13999 4493   
  148.225.160.0/20     4608 1221 4637 32098 13999 4493 + Announce - aggregate of 148.225.160.0/21 (4608 1221 4637 32098 13999 4493) and 148.225.168.0/21 (4608 1221 4637 32098 13999 4493)
  148.225.160.0/21     4608 1221 4637 32098 13999 4493 - Withdrawn - aggregated with 148.225.168.0/21 (4608 1221 4637 32098 13999 4493)
  148.225.168.0/21     4608 1221 4637 32098 13999 4493 - Withdrawn - aggregated with 148.225.160.0/21 (4608 1221 4637 32098 13999 4493)
  148.225.176.0/21     4777 2516 3257 32098 13999 4493   
  148.225.184.0/21     4608 7575 2914 32098 13999 4493   
  148.225.192.0/18     4608 1221 4637 32098 13999 4493 + Announce - aggregate of 148.225.192.0/19 (4608 1221 4637 32098 13999 4493) and 148.225.224.0/19 (4608 1221 4637 32098 13999 4493)
  148.225.192.0/21     4608 1221 4637 32098 13999 4493 - Withdrawn - aggregated with 148.225.200.0/21 (4608 1221 4637 32098 13999 4493)
  148.225.200.0/24     4608 1221 4637 32098 13999 4493 - Withdrawn - aggregated with 148.225.201.0/24 (4608 1221 4637 32098 13999 4493)
  148.225.201.0/24     4608 1221 4637 32098 13999 4493 - Withdrawn - aggregated with 148.225.200.0/24 (4608 1221 4637 32098 13999 4493)
  148.225.202.0/23     4608 1221 4637 32098 13999 4493 - Withdrawn - aggregated with 148.225.200.0/23 (4608 1221 4637 32098 13999 4493)
  148.225.204.0/22     4608 1221 4637 32098 13999 4493 - Withdrawn - aggregated with 148.225.200.0/22 (4608 1221 4637 32098 13999 4493)
  148.225.208.0/20     4608 1221 4637 32098 13999 4493 - Withdrawn - aggregated with 148.225.192.0/20 (4608 1221 4637 32098 13999 4493)
  148.225.224.0/19     4608 1221 4637 32098 13999 4493 - Withdrawn - aggregated with 148.225.192.0/19 (4608 1221 4637 32098 13999 4493)

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

AS4493   15 More Specifics   15 Total Advertisements   AS4493 - Universidad de Sonora, MX
    148.225.0.0/17                148.225.0.0/16
    148.225.128.0/20              148.225.0.0/16
    148.225.144.0/22              148.225.0.0/16
    148.225.152.0/21              148.225.0.0/16
    148.225.160.0/21              148.225.0.0/16
    148.225.168.0/21              148.225.0.0/16
    148.225.176.0/21              148.225.0.0/16
    148.225.184.0/21              148.225.0.0/16
    148.225.192.0/21              148.225.0.0/16
    148.225.200.0/24              148.225.0.0/16
    148.225.201.0/24              148.225.0.0/16
    148.225.202.0/23              148.225.0.0/16
    148.225.204.0/22              148.225.0.0/16
    148.225.208.0/20              148.225.0.0/16
    148.225.224.0/19              148.225.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS4493 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS4493\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded