Report for 52741

Name

AS52741 - MC Telecom, 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.

52741 MC Telecom, BR

  Adjacency:     4  Upstream:     2  Downstream:     2
  Upstream Adjacent AS list
    AS263345        Power Tech Telecom, BR
    AS269096        NORTH TELECOMUNICACOES EIRELI, BR
  Downstream Adjacent AS list
    AS266217        NETINFOR TELECOMUNICACOES LTDA, BR
    AS52617         DIGITAL.COM TELECOMUNICACOES LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13535 AS52741        ORG+TRN Originate:       6400 /19.36  Transit:       5376 /19.61 MC Telecom, 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       %
 6790 AS52741       MC Telecom, BR                                    10      8      1      3      7  70.00%


  Prefix               AS Path                              Aggregation Suggestion
  143.255.208.0/22     2914 23106 263270 263345 52741   
  143.255.208.0/23     2914 23106 263270 263345 52741 - Withdrawn - matching aggregate 143.255.208.0/22 2914 23106 263270 263345 52741
  143.255.210.0/23     2914 23106 263270 263345 52741 - Withdrawn - matching aggregate 143.255.208.0/22 2914 23106 263270 263345 52741
  177.85.104.0/21      2914 23106 263270 263345 52741 + Announce - aggregate of 177.85.104.0/22 (2914 23106 263270 263345 52741) and 177.85.108.0/22 (2914 23106 263270 263345 52741)
  177.85.104.0/22      2914 23106 263270 263345 52741 - Withdrawn - aggregated with 177.85.108.0/22 (2914 23106 263270 263345 52741)
  177.85.104.0/23      2914 23106 263270 263345 52741 - Withdrawn - matching aggregate 177.85.104.0/22 2914 23106 263270 263345 52741
  177.85.106.0/23      2914 23106 263270 263345 52741 - Withdrawn - matching aggregate 177.85.104.0/22 2914 23106 263270 263345 52741
  177.85.106.0/24      2914 13786 269096 52741 52741 52741 52741 52741 52741 52741 52741 52741 52741 52741   
  177.85.108.0/22      2914 23106 263270 263345 52741 - Withdrawn - aggregated with 177.85.104.0/22 (2914 23106 263270 263345 52741)
  177.85.108.0/23      2914 23106 263270 263345 52741 - Withdrawn - matching aggregate 177.85.108.0/22 2914 23106 263270 263345 52741
  177.85.110.0/23      2914 23106 263270 263345 52741 - Withdrawn - matching aggregate 177.85.108.0/22 2914 23106 263270 263345 52741

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

AS52741   12 More Specifics   12 Total Advertisements   MC Telecom, BR
    143.255.208.0/24              143.255.208.0/22
    143.255.209.0/24              143.255.208.0/22
    143.255.210.0/24              143.255.208.0/22
    143.255.211.0/24              143.255.208.0/22
    177.85.104.0/24               177.85.104.0/22
    177.85.105.0/24               177.85.104.0/22
    177.85.106.0/24               177.85.104.0/22
    177.85.107.0/24               177.85.104.0/22
    177.85.108.0/24               177.85.108.0/22
    177.85.109.0/24               177.85.108.0/22
    177.85.110.0/24               177.85.108.0/22
    177.85.111.0/24               177.85.108.0/22

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

    + 143.255.210.0/24            Announced
    + 143.255.211.0/24            Announced
    + 177.85.105.0/24             Announced
    + 177.85.106.0/24             Announced
    + 177.85.109.0/24             Announced

Whois Entry

whois: 402590

IANA has recorded AS52741 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52741\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded