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 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.

52977 Sul Online Telecom Ltda - EPP, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6939          HURRICANE, US
    AS28642         Contato Internet EIRELI, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13919 AS52977        ORIGIN  Originate:       6144 /19.42  Transit:          0 /0.00  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       %
17138 AS52977       Sul Online Telecom Ltda - EPP, BR                  7      4      2      5      2  28.57%


  Prefix               AS Path                              Aggregation Suggestion
  143.255.96.0/23      6939 52977             
  143.255.98.0/23      6939 28642 52977       
  170.231.4.0/22       6939 52977             
  177.39.72.0/21       6939 52977           + Announce - aggregate of 177.39.72.0/22 (6939 52977) and 177.39.76.0/22 (6939 52977)
  177.39.72.0/22       6939 52977           - Withdrawn - aggregated with 177.39.76.0/22 (6939 52977)
  177.39.76.0/22       6939 52977           - Withdrawn - aggregated with 177.39.72.0/22 (6939 52977)
  200.53.8.0/21        6939 52977           + Announce - aggregate of 200.53.8.0/22 (6939 52977) and 200.53.12.0/22 (6939 52977)
  200.53.8.0/22        6939 52977           - Withdrawn - aggregated with 200.53.12.0/22 (6939 52977)
  200.53.12.0/22       6939 52977           - Withdrawn - aggregated with 200.53.8.0/22 (6939 52977)

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

AS52977   33 More Specifics   36 Total Advertisements   Sul Online Telecom Ltda - EPP, BR
    143.255.96.0/23               143.255.96.0/22
    143.255.96.0/24               143.255.96.0/22
    143.255.97.0/24               143.255.96.0/22
    143.255.98.0/23               143.255.96.0/22
    143.255.98.0/24               143.255.96.0/22
    143.255.99.0/24               143.255.96.0/22
    170.231.4.0/23                170.231.4.0/22
    170.231.4.0/24                170.231.4.0/22
    170.231.5.0/24                170.231.4.0/22
    170.231.6.0/23                170.231.4.0/22
    170.231.7.0/24                170.231.4.0/22
    177.39.72.0/23                177.39.72.0/22
    177.39.72.0/24                177.39.72.0/22
    177.39.74.0/23                177.39.72.0/22
    177.39.74.0/24                177.39.72.0/22
    177.39.75.0/24                177.39.72.0/22
    177.39.76.0/23                177.39.76.0/22
    177.39.76.0/24                177.39.76.0/22
    177.39.77.0/24                177.39.76.0/22
    177.39.78.0/23                177.39.76.0/22
    177.39.78.0/24                177.39.76.0/22
    177.39.79.0/24                177.39.76.0/22
    200.53.8.0/22                 200.53.8.0/21
    200.53.8.0/23                 200.53.8.0/21
    200.53.9.0/24                 200.53.8.0/21
    200.53.10.0/23                200.53.8.0/21
    200.53.11.0/24                200.53.8.0/21
    200.53.12.0/22                200.53.8.0/21
    200.53.12.0/23                200.53.8.0/21
    200.53.12.0/24                200.53.8.0/21
    200.53.13.0/24                200.53.8.0/21
    200.53.14.0/23                200.53.8.0/21
    200.53.15.0/24                200.53.8.0/21

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

    + 143.255.96.0/24             Announced
    + 143.255.97.0/24             Announced
    + 143.255.98.0/24             Announced
    + 143.255.99.0/24             Announced
    + 170.231.4.0/23              Announced
    + 170.231.4.0/24              Announced
    + 170.231.5.0/24              Announced
    + 170.231.6.0/23              Announced
    + 170.231.7.0/24              Announced
    + 177.39.72.0/23              Announced
    + 177.39.72.0/24              Announced
    + 177.39.74.0/23              Announced
    + 177.39.74.0/24              Announced
    + 177.39.75.0/24              Announced
    + 177.39.76.0/23              Announced
    + 177.39.76.0/24              Announced
    + 177.39.77.0/24              Announced
    + 177.39.78.0/23              Announced
    + 177.39.78.0/24              Announced
    + 177.39.79.0/24              Announced
    + 200.53.8.0/22               Announced
    + 200.53.8.0/23               Announced
    + 200.53.9.0/24               Announced
    + 200.53.10.0/23              Announced
    + 200.53.11.0/24              Announced
    + 200.53.12.0/22              Announced
    + 200.53.12.0/23              Announced
    + 200.53.12.0/24              Announced
    + 200.53.13.0/24              Announced
    + 200.53.14.0/23              Announced
    + 200.53.15.0/24              Announced
    - 200.53.8.0/21               Withdrawn

Whois Entry

whois: 402590

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