Report for 27770

Name

Universidad Nacional de Rio Cuarto, 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.

27770 Universidad Nacional de Rio Cuarto

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6140    IMPSAT-USA - ImpSat USA, Inc.

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
11010 AS27770  ORIGIN  Originate:       3584 /20.19  Transit:          0 /0.00  Universidad Nacional de Rio Cuarto

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       %
 2281 AS27770 Universidad Nacional de Rio Cuarto            8      8      3      3      5  62.50%


  Prefix               AS Path                              Aggregation Suggestion
  200.7.128.0/21       4637 3549 6140 27770 + Announce - aggregate of 200.7.128.0/22 (4637 3549 6140 27770) and 200.7.132.0/22 (4637 3549 6140 27770)
  200.7.128.0/23       4637 3549 6140 27770 - Withdrawn - aggregated with 200.7.130.0/23 (4637 3549 6140 27770)
  200.7.130.0/23       4637 3549 6140 27770 - Withdrawn - aggregated with 200.7.128.0/23 (4637 3549 6140 27770)
  200.7.132.0/23       4637 3549 6140 27770 - Withdrawn - aggregated with 200.7.134.0/23 (4637 3549 6140 27770)
  200.7.134.0/23       4637 3549 6140 27770 - Withdrawn - aggregated with 200.7.132.0/23 (4637 3549 6140 27770)
  200.7.136.0/22       4637 3549 6140 27770 + Announce - aggregate of 200.7.136.0/23 (4637 3549 6140 27770) and 200.7.138.0/23 (4637 3549 6140 27770)
  200.7.136.0/23       4637 3549 6140 27770 - Withdrawn - aggregated with 200.7.138.0/23 (4637 3549 6140 27770)
  200.7.138.0/23       4637 3549 6140 27770 - Withdrawn - aggregated with 200.7.136.0/23 (4637 3549 6140 27770)
  200.7.140.0/23       4637 3549 6140 27770 + Announce - aggregate of 200.7.140.0/24 (4637 3549 6140 27770) and 200.7.141.0/24 (4637 3549 6140 27770)
  200.7.140.0/24       4637 3549 6140 27770 - Withdrawn - aggregated with 200.7.141.0/24 (4637 3549 6140 27770)
  200.7.141.0/24       4637 3549 6140 27770 - Withdrawn - aggregated with 200.7.140.0/24 (4637 3549 6140 27770)

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

AS27770   8 More Specifics   8 Total Advertisements   Universidad Nacional de Rio Cuarto
    200.7.128.0/23                200.7.128.0/20
    200.7.130.0/23                200.7.128.0/20
    200.7.132.0/23                200.7.128.0/20
    200.7.134.0/23                200.7.128.0/20
    200.7.136.0/23                200.7.128.0/20
    200.7.138.0/23                200.7.128.0/20
    200.7.140.0/24                200.7.128.0/20
    200.7.141.0/24                200.7.128.0/20

Whois Entry

whois: 402332

IANA has recorded AS27770 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS27770\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             %ERROR:101: no entries found
             %
             % No entries found in source APNIC,JPNIC,KRNIC,TWNIC,IDNIC,IRINN-GRS.
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)