Report for 61731

Name

AS61731 - Work 349 Internet Provedores ltda - ME, BR

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.

61731 Work 349 Internet Provedores ltda - ME, BR

  Adjacency:     4  Upstream:     3  Downstream:     1
  Upstream Adjacent AS list
    AS268209        FENIX TELECOM, BR
    AS6939          HURRICANE, US
    AS15830         EQUINIX, NL
  Downstream Adjacent AS list
    AS268209        FENIX TELECOM, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
25983 AS61731        ORG+TRN Originate:       2048 /21.00  Transit:        512 /23.00 Work 349 Internet Provedores ltda - ME, BR

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       %
13580 AS61731       Work 349 Internet Provedores ltda - ME, BR         5      4      1      2      3  60.00%


  Prefix               AS Path                              Aggregation Suggestion
  131.72.160.0/22      6939 15830 61731 61731 61731   
  131.72.160.0/22      6939 61731           + Announce - aggregate of 131.72.160.0/23 (6939 61731) and 131.72.162.0/23 (6939 61731)
  131.72.160.0/24      6939 61731           - Withdrawn - aggregated with 131.72.161.0/24 (6939 61731)
  131.72.161.0/24      6939 61731           - Withdrawn - aggregated with 131.72.160.0/24 (6939 61731)
  131.72.162.0/24      6939 61731           - Withdrawn - aggregated with 131.72.163.0/24 (6939 61731)
  131.72.163.0/24      6939 61731           - Withdrawn - aggregated with 131.72.162.0/24 (6939 61731)

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

AS61731   4 More Specifics   5 Total Advertisements   Work 349 Internet Provedores ltda - ME, BR
    131.72.160.0/24               131.72.160.0/22
    131.72.161.0/24               131.72.160.0/22
    131.72.162.0/24               131.72.160.0/22
    131.72.163.0/24               131.72.160.0/22

Whois Entry

whois: 402551

IANA has recorded AS61731 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS61731\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded