Report for 52875

Name

AS52875 - M.I.MONTREAL INFORMATICA LTDA, 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.

52875 M.I.MONTREAL INFORMATICA LTDA, BR

  Adjacency:     9  Upstream:     5  Downstream:     4
  Upstream Adjacent AS list
    AS21574         Century Telecom Ltda, BR
    AS13786         SEABORN, US
    AS16735         ALGAR TELECOM SA, BR
    AS17222         MUNDIVOX DO BRASIL LTDA, BR
    AS3356          LEVEL3, US
  Downstream Adjacent AS list
    AS271549        NOVA UNIAO TELECOM LTDA, BR
    AS61836         CYBERLAN SERVICOS DE TELECOMUNICACOES LTDA, BR
    AS266338        HDL SOLUCOES EM TECNOLOGIA LTDA, BR
    AS263946        HIGH CONNECT REDES DE TELECOMUNICACOES LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
21870 AS52875        ORG+TRN Originate:       2816 /20.54  Transit:       6400 /19.36 M.I.MONTREAL INFORMATICA LTDA, 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       %
23650 AS52875       M.I.MONTREAL INFORMATICA LTDA, BR                  8      2      1      7      1  12.50%


  Prefix               AS Path                              Aggregation Suggestion
  38.20.8.0/22         6939 13786 52875 52875 52875   
  177.131.144.0/23     3303 16735 52875     + Announce - aggregate of 177.131.144.0/24 (3303 16735 52875) and 177.131.145.0/24 (3303 16735 52875)
  177.131.144.0/24     3303 16735 52875     - Withdrawn - aggregated with 177.131.145.0/24 (3303 16735 52875)
  177.131.145.0/24     3303 16735 52875     - Withdrawn - aggregated with 177.131.144.0/24 (3303 16735 52875)
  177.131.146.0/24     3303 21574 52875       
  177.131.147.0/24     57866 3356 52875       
  177.131.149.0/24     3303 16735 52875       
  177.131.151.0/24     3303 21574 52875       
  177.131.159.0/24     6939 13786 52875 52875 52875   

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

AS52875   15 More Specifics   15 Total Advertisements   M.I.MONTREAL INFORMATICA LTDA, BR
    177.131.144.0/24              177.131.144.0/20
    177.131.145.0/24              177.131.144.0/20
    177.131.146.0/24              177.131.144.0/20
    177.131.147.0/24              177.131.144.0/20
    177.131.148.0/24              177.131.144.0/20
    177.131.149.0/24              177.131.144.0/20
    177.131.151.0/24              177.131.144.0/20
    177.131.152.0/24              177.131.144.0/20
    177.131.153.0/24              177.131.144.0/20
    177.131.154.0/24              177.131.144.0/20
    177.131.155.0/24              177.131.144.0/20
    177.131.156.0/24              177.131.144.0/20
    177.131.157.0/24              177.131.144.0/20
    177.131.158.0/24              177.131.144.0/20
    177.131.159.0/24              177.131.144.0/20

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

    + 177.131.152.0/24            Announced
    + 177.131.153.0/24            Announced
    + 177.131.154.0/24            Announced
    + 177.131.155.0/24            Announced
    + 177.131.156.0/24            Announced
    + 177.131.157.0/24            Announced
    + 177.131.158.0/24            Announced
    + 177.131.159.0/24            Announced

Whois Entry

whois: 402603

IANA has recorded AS52875 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52875\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded