Report for 52977

Name

AS52977 - Sul Online Telecom Ltda - EPP, 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 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.

52977 AS52977 - Sul Online Telecom Ltda - EPP, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS28642         AS28642 - Contato Internet Ltda, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13741 AS52977        ORIGIN  Originate:       6144 /19.42  Transit:          0 /0.00  AS52977 - Sul Online Telecom Ltda - EPP, 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       %
13079 AS52977       AS52977 - Sul Online Telecom Ltda - EPP, BR        7      6      3      4      3  42.86%


  Prefix               AS Path                              Aggregation Suggestion
  143.255.96.0/22      4777 2497 3356 267469 28642 52977 + Announce - aggregate of 143.255.96.0/23 (4777 2497 3356 267469 28642 52977) and 143.255.98.0/23 (4777 2497 3356 267469 28642 52977)
  143.255.96.0/23      4777 2497 3356 267469 28642 52977 - Withdrawn - aggregated with 143.255.98.0/23 (4777 2497 3356 267469 28642 52977)
  143.255.98.0/23      4777 2497 3356 267469 28642 52977 - Withdrawn - aggregated with 143.255.96.0/23 (4777 2497 3356 267469 28642 52977)
  170.231.4.0/22       4777 2497 3356 267469 28642 52977   
  177.39.72.0/21       4777 2497 3356 267469 28642 52977 + Announce - aggregate of 177.39.72.0/22 (4777 2497 3356 267469 28642 52977) and 177.39.76.0/22 (4777 2497 3356 267469 28642 52977)
  177.39.72.0/22       4777 2497 3356 267469 28642 52977 - Withdrawn - aggregated with 177.39.76.0/22 (4777 2497 3356 267469 28642 52977)
  177.39.76.0/22       4777 2497 3356 267469 28642 52977 - Withdrawn - aggregated with 177.39.72.0/22 (4777 2497 3356 267469 28642 52977)
  200.53.8.0/21        4777 2497 3356 267469 28642 52977 + Announce - aggregate of 200.53.8.0/22 (4777 2497 3356 267469 28642 52977) and 200.53.12.0/22 (4777 2497 3356 267469 28642 52977)
  200.53.8.0/22        4777 2497 3356 267469 28642 52977 - Withdrawn - aggregated with 200.53.12.0/22 (4777 2497 3356 267469 28642 52977)
  200.53.12.0/22       4777 2497 3356 267469 28642 52977 - Withdrawn - aggregated with 200.53.8.0/22 (4777 2497 3356 267469 28642 52977)

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

AS52977   4 More Specifics   7 Total Advertisements   AS52977 - Sul Online Telecom Ltda - EPP, BR
    143.255.96.0/23               143.255.96.0/22
    143.255.98.0/23               143.255.96.0/22
    200.53.8.0/22                 200.53.8.0/21
    200.53.12.0/22                200.53.8.0/21

Whois Entry

whois: 402551

IANA has recorded AS52977 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52977\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded