Report for 27790

Name

AS27790 - Universidad Nacional de Cordoba, 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.

27790 Universidad Nacional de Cordoba

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS11664   AT&T Argentina S.A.
    AS7908    Comsat Argentina S.A.

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
10174 AS27790  ORIGIN  Originate:       4096 /20.00  Transit:          0 /0.00  Universidad Nacional de Cordoba

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       %
 1597 AS27790 Universidad Nacional de Cordoba              16     12      4      8      8  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  200.16.16.0/22       4637 3549 7908 27790 + Announce - aggregate of 200.16.16.0/23 (4637 3549 7908 27790) and 200.16.18.0/23 (4637 3549 7908 27790)
  200.16.16.0/24       4637 3549 7908 27790 - Withdrawn - aggregated with 200.16.17.0/24 (4637 3549 7908 27790)
  200.16.17.0/24       4637 3549 7908 27790 - Withdrawn - aggregated with 200.16.16.0/24 (4637 3549 7908 27790)
  200.16.18.0/24       4637 3549 7908 27790 - Withdrawn - aggregated with 200.16.19.0/24 (4637 3549 7908 27790)
  200.16.19.0/24       4637 3549 7908 27790 - Withdrawn - aggregated with 200.16.18.0/24 (4637 3549 7908 27790)
  200.16.20.0/23       4637 3549 7908 27790 + Announce - aggregate of 200.16.20.0/24 (4637 3549 7908 27790) and 200.16.21.0/24 (4637 3549 7908 27790)
  200.16.20.0/24       4637 3549 7908 27790 - Withdrawn - aggregated with 200.16.21.0/24 (4637 3549 7908 27790)
  200.16.21.0/24       4637 3549 7908 27790 - Withdrawn - aggregated with 200.16.20.0/24 (4637 3549 7908 27790)
  200.16.22.0/24       4637 12956 22927 11664 11664 11664 27790   
  200.16.23.0/24       4637 3549 7908 27790   
  200.16.24.0/22       4637 3549 7908 27790 + Announce - aggregate of 200.16.24.0/23 (4637 3549 7908 27790) and 200.16.26.0/23 (4637 3549 7908 27790)
  200.16.24.0/24       4637 3549 7908 27790 - Withdrawn - aggregated with 200.16.25.0/24 (4637 3549 7908 27790)
  200.16.25.0/24       4637 3549 7908 27790 - Withdrawn - aggregated with 200.16.24.0/24 (4637 3549 7908 27790)
  200.16.26.0/24       4637 3549 7908 27790 - Withdrawn - aggregated with 200.16.27.0/24 (4637 3549 7908 27790)
  200.16.27.0/24       4637 3549 7908 27790 - Withdrawn - aggregated with 200.16.26.0/24 (4637 3549 7908 27790)
  200.16.28.0/23       4637 3549 7908 27790 + Announce - aggregate of 200.16.28.0/24 (4637 3549 7908 27790) and 200.16.29.0/24 (4637 3549 7908 27790)
  200.16.28.0/24       4637 3549 7908 27790 - Withdrawn - aggregated with 200.16.29.0/24 (4637 3549 7908 27790)
  200.16.29.0/24       4637 3549 7908 27790 - Withdrawn - aggregated with 200.16.28.0/24 (4637 3549 7908 27790)
  200.16.30.0/24       4637 3549 7908 27790   
  200.16.31.0/24       4637 12956 22927 11664 11664 11664 27790   

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

AS27790   16 More Specifics   16 Total Advertisements   Universidad Nacional de Cordoba
    200.16.16.0/24                200.16.16.0/20
    200.16.17.0/24                200.16.16.0/20
    200.16.18.0/24                200.16.16.0/20
    200.16.19.0/24                200.16.16.0/20
    200.16.20.0/24                200.16.16.0/20
    200.16.21.0/24                200.16.16.0/20
    200.16.22.0/24                200.16.16.0/20
    200.16.23.0/24                200.16.16.0/20
    200.16.24.0/24                200.16.16.0/20
    200.16.25.0/24                200.16.16.0/20
    200.16.26.0/24                200.16.16.0/20
    200.16.27.0/24                200.16.16.0/20
    200.16.28.0/24                200.16.16.0/20
    200.16.29.0/24                200.16.16.0/20
    200.16.30.0/24                200.16.16.0/20
    200.16.31.0/24                200.16.16.0/20

Whois Entry

whois: 402603

IANA has recorded AS27790 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27790\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded