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 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.

52741 AS52741 - MC Telecom, BR

  Adjacency:     4  Upstream:     2  Downstream:     2
  Upstream Adjacent AS list
    AS269096        AS269096 - N&K TECNOLOGIA LTDA, BR
    AS263345        AS263345 - Power Tech Telecom, BR
  Downstream Adjacent AS list
    AS52617         AS52617 - DIGITAL.COM TELECOMUNICACOES LTDA, BR
    AS266217        AS266217 - NETINFOR TELECOMUNICACOES LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13395 AS52741        ORG+TRN Originate:       6400 /19.36  Transit:       2048 /21.00 AS52741 - 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       %
 6721 AS52741       AS52741 - MC Telecom, BR                          10      8      1      3      7  70.00%


  Prefix               AS Path                              Aggregation Suggestion
  143.255.208.0/22     4608 7575 7195 23106 263270 263345 52741   
  143.255.208.0/23     4608 7575 7195 23106 263270 263345 52741 - Withdrawn - matching aggregate 143.255.208.0/22 4608 7575 7195 23106 263270 263345 52741
  143.255.210.0/23     4608 7575 7195 23106 263270 263345 52741 - Withdrawn - matching aggregate 143.255.208.0/22 4608 7575 7195 23106 263270 263345 52741
  177.85.104.0/21      4608 7575 7195 23106 263270 263345 52741 + Announce - aggregate of 177.85.104.0/22 (4608 7575 7195 23106 263270 263345 52741) and 177.85.108.0/22 (4608 7575 7195 23106 263270 263345 52741)
  177.85.104.0/22      4608 7575 7195 23106 263270 263345 52741 - Withdrawn - aggregated with 177.85.108.0/22 (4608 7575 7195 23106 263270 263345 52741)
  177.85.104.0/23      4608 7575 7195 23106 263270 263345 52741 - Withdrawn - matching aggregate 177.85.104.0/22 4608 7575 7195 23106 263270 263345 52741
  177.85.106.0/23      4608 7575 7195 23106 263270 263345 52741 - Withdrawn - matching aggregate 177.85.104.0/22 4608 7575 7195 23106 263270 263345 52741
  177.85.106.0/24      4777 2497 2914 269096 52741 52741 52741 52741 52741 52741 52741 52741 52741 52741 52741   
  177.85.108.0/22      4608 7575 7195 23106 263270 263345 52741 - Withdrawn - aggregated with 177.85.104.0/22 (4608 7575 7195 23106 263270 263345 52741)
  177.85.108.0/23      4608 7575 7195 23106 263270 263345 52741 - Withdrawn - matching aggregate 177.85.108.0/22 4608 7575 7195 23106 263270 263345 52741
  177.85.110.0/23      4608 7575 7195 23106 263270 263345 52741 - Withdrawn - matching aggregate 177.85.108.0/22 4608 7575 7195 23106 263270 263345 52741

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

AS52741   7 More Specifics   10 Total Advertisements   AS52741 - MC Telecom, BR
    143.255.208.0/23              143.255.208.0/22
    143.255.210.0/23              143.255.208.0/22
    177.85.104.0/23               177.85.104.0/22
    177.85.106.0/23               177.85.104.0/22
    177.85.106.0/24               177.85.104.0/22
    177.85.108.0/23               177.85.108.0/22
    177.85.110.0/23               177.85.108.0/22

Whois Entry

whois: 402625

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