Report for 27747

Name

AS27747 - Telecentro S.A., AR

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 AS4637) 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.

27747 Telecentro S.A.

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS22927   Telefonica de Argentina
    AS3549    GBLX Global Crossing Ltd.

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1233  AS27747  ORIGIN  Originate:     134144 /14.97  Transit:          0 /0.00  Telecentro S.A.

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       %
  295 AS27747 Telecentro S.A.                              60     54      7     13     47  78.33%


  Prefix               AS Path                              Aggregation Suggestion
  190.55.0.0/17        4637 3549 27747      + Announce - aggregate of 190.55.0.0/18 (4637 3549 27747) and 190.55.64.0/18 (4637 3549 27747)
  190.55.0.0/18        4637 3549 27747      - Withdrawn - aggregated with 190.55.64.0/18 (4637 3549 27747)
  190.55.0.0/21        4637 12956 22927 27747   
  190.55.8.0/22        4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.12.0/22       4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.16.0/22       4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.20.0/22       4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.24.0/22       4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.28.0/22       4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.32.0/22       4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.36.0/22       4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.40.0/22       4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.44.0/22       4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.48.0/22       4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.52.0/22       4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.56.0/22       4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.60.0/22       4637 3549 27747      - Withdrawn - matching aggregate 190.55.0.0/18 4637 3549 27747
  190.55.64.0/18       4637 3549 27747      - Withdrawn - aggregated with 190.55.0.0/18 (4637 3549 27747)
  190.55.64.0/19       4637 12956 22927 27747 + Announce - aggregate of 190.55.64.0/20 (4637 12956 22927 27747) and 190.55.80.0/20 (4637 12956 22927 27747)
  190.55.64.0/21       4637 12956 22927 27747 - Withdrawn - aggregated with 190.55.72.0/21 (4637 12956 22927 27747)
  190.55.72.0/21       4637 12956 22927 27747 - Withdrawn - aggregated with 190.55.64.0/21 (4637 12956 22927 27747)
  190.55.72.0/22       4637 3549 27747        
  190.55.80.0/21       4637 12956 22927 27747 - Withdrawn - aggregated with 190.55.88.0/21 (4637 12956 22927 27747)
  190.55.88.0/21       4637 12956 22927 27747 - Withdrawn - aggregated with 190.55.80.0/21 (4637 12956 22927 27747)
  190.55.96.0/20       4637 12956 22927 27747 + Announce - aggregate of 190.55.96.0/21 (4637 12956 22927 27747) and 190.55.104.0/21 (4637 12956 22927 27747)
  190.55.96.0/21       4637 12956 22927 27747 - Withdrawn - aggregated with 190.55.104.0/21 (4637 12956 22927 27747)
  190.55.104.0/21      4637 12956 22927 27747 - Withdrawn - aggregated with 190.55.96.0/21 (4637 12956 22927 27747)
  190.55.112.0/21      4637 12956 22927 27747   
  190.55.120.0/21      4637 3549 27747      - Withdrawn - matching aggregate 190.55.64.0/18 4637 3549 27747
  190.55.120.0/22      4637 3549 27747      - Withdrawn - matching aggregate 190.55.64.0/18 4637 3549 27747
  190.55.124.0/22      4637 3549 27747 27747 27747 27747   
  200.115.192.0/18     4637 3549 27747      + Announce - aggregate of 200.115.192.0/19 (4637 3549 27747) and 200.115.224.0/19 (4637 3549 27747)
  200.115.192.0/20     4637 3549 27747      - Withdrawn - aggregated with 200.115.208.0/20 (4637 3549 27747)
  200.115.192.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.115.192.0/20 4637 3549 27747
  200.115.196.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.115.192.0/20 4637 3549 27747
  200.115.200.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.115.192.0/20 4637 3549 27747
  200.115.204.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.115.192.0/20 4637 3549 27747
  200.115.208.0/20     4637 3549 27747      - Withdrawn - aggregated with 200.115.192.0/20 (4637 3549 27747)
  200.115.208.0/20     4637 12956 22927 27747 + Announce - aggregate of 200.115.208.0/21 (4637 12956 22927 27747) and 200.115.216.0/21 (4637 12956 22927 27747)
  200.115.208.0/21     4637 12956 22927 27747 - Withdrawn - aggregated with 200.115.216.0/21 (4637 12956 22927 27747)
  200.115.216.0/21     4637 12956 22927 27747 - Withdrawn - aggregated with 200.115.208.0/21 (4637 12956 22927 27747)
  200.115.224.0/20     4637 3549 27747      - Withdrawn - aggregated with 200.115.240.0/20 (4637 3549 27747)
  200.115.224.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.115.224.0/20 4637 3549 27747
  200.115.228.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.115.224.0/20 4637 3549 27747
  200.115.232.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.115.224.0/20 4637 3549 27747
  200.115.236.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.115.224.0/20 4637 3549 27747
  200.115.240.0/20     4637 3549 27747      - Withdrawn - aggregated with 200.115.224.0/20 (4637 3549 27747)
  200.115.240.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.115.240.0/20 4637 3549 27747
  200.115.244.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.115.240.0/20 4637 3549 27747
  200.115.248.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.115.240.0/20 4637 3549 27747
  200.115.252.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.115.240.0/20 4637 3549 27747
  200.125.64.0/18      4637 3549 27747      + Announce - aggregate of 200.125.64.0/19 (4637 3549 27747) and 200.125.96.0/19 (4637 3549 27747)
  200.125.64.0/19      4637 3549 27747      - Withdrawn - aggregated with 200.125.96.0/19 (4637 3549 27747)
  200.125.64.0/21      4637 12956 22927 27747   
  200.125.72.0/22      4637 3549 27747      - Withdrawn - matching aggregate 200.125.64.0/19 4637 3549 27747
  200.125.76.0/22      4637 3549 27747      - Withdrawn - matching aggregate 200.125.64.0/19 4637 3549 27747
  200.125.80.0/22      4637 3549 27747      - Withdrawn - matching aggregate 200.125.64.0/19 4637 3549 27747
  200.125.84.0/22      4637 3549 27747      - Withdrawn - matching aggregate 200.125.64.0/19 4637 3549 27747
  200.125.88.0/21      4637 12956 22927 27747   
  200.125.96.0/19      4637 3549 27747      - Withdrawn - aggregated with 200.125.64.0/19 (4637 3549 27747)
  200.125.96.0/22      4637 3549 27747      - Withdrawn - matching aggregate 200.125.96.0/19 4637 3549 27747
  200.125.100.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.125.96.0/19 4637 3549 27747
  200.125.104.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.125.96.0/19 4637 3549 27747
  200.125.108.0/22     4637 3549 27747      - Withdrawn - matching aggregate 200.125.96.0/19 4637 3549 27747
  200.125.112.0/20     4637 12956 22927 27747 + Announce - aggregate of 200.125.112.0/21 (4637 12956 22927 27747) and 200.125.120.0/21 (4637 12956 22927 27747)
  200.125.112.0/21     4637 12956 22927 27747 - Withdrawn - aggregated with 200.125.120.0/21 (4637 12956 22927 27747)
  200.125.120.0/21     4637 12956 22927 27747 - Withdrawn - aggregated with 200.125.112.0/21 (4637 12956 22927 27747)

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

AS27747   52 More Specifics   61 Total Advertisements   Telecentro S.A.
    190.55.0.0/21                 190.55.0.0/18
    190.55.8.0/22                 190.55.0.0/18
    190.55.12.0/22                190.55.0.0/18
    190.55.16.0/22                190.55.0.0/18
    190.55.20.0/22                190.55.0.0/18
    190.55.24.0/22                190.55.0.0/18
    190.55.28.0/22                190.55.0.0/18
    190.55.32.0/22                190.55.0.0/18
    190.55.36.0/22                190.55.0.0/18
    190.55.40.0/22                190.55.0.0/18
    190.55.44.0/22                190.55.0.0/18
    190.55.48.0/22                190.55.0.0/18
    190.55.52.0/22                190.55.0.0/18
    190.55.56.0/22                190.55.0.0/18
    190.55.60.0/22                190.55.0.0/18
    190.55.64.0/21                190.55.64.0/18
    190.55.72.0/21                190.55.64.0/18
    190.55.72.0/22                190.55.64.0/18
    190.55.80.0/21                190.55.64.0/18
    190.55.88.0/21                190.55.64.0/18
    190.55.96.0/21                190.55.64.0/18
    190.55.104.0/21               190.55.64.0/18
    190.55.112.0/21               190.55.64.0/18
    190.55.120.0/21               190.55.64.0/18
    190.55.120.0/22               190.55.64.0/18
    190.55.124.0/22               190.55.64.0/18
    200.115.192.0/22              200.115.192.0/20
    200.115.196.0/22              200.115.192.0/20
    200.115.200.0/22              200.115.192.0/20
    200.115.204.0/22              200.115.192.0/20
    200.115.208.0/21              200.115.208.0/20
    200.115.212.0/22              200.115.208.0/20
    200.115.216.0/21              200.115.208.0/20
    200.115.224.0/22              200.115.224.0/20
    200.115.228.0/22              200.115.224.0/20
    200.115.232.0/22              200.115.224.0/20
    200.115.236.0/22              200.115.224.0/20
    200.115.240.0/22              200.115.240.0/20
    200.115.244.0/22              200.115.240.0/20
    200.115.248.0/22              200.115.240.0/20
    200.125.64.0/21               200.125.64.0/19
    200.125.72.0/22               200.125.64.0/19
    200.125.76.0/22               200.125.64.0/19
    200.125.80.0/22               200.125.64.0/19
    200.125.84.0/22               200.125.64.0/19
    200.125.88.0/21               200.125.64.0/19
    200.125.96.0/22               200.125.96.0/19
    200.125.100.0/22              200.125.96.0/19
    200.125.104.0/22              200.125.96.0/19
    200.125.108.0/22              200.125.96.0/19
    200.125.112.0/21              200.125.96.0/19
    200.125.120.0/21              200.125.96.0/19

Whois Entry

whois: 402603

IANA has recorded AS27747 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27747\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded