Report for 263683

Name

AS263683 - Universidad de Costa Rica, CR

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.

263683 Universidad de Costa Rica, CR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS11830         Instituto Costarricense de Electricidad y Telecom., CR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4703  AS263683       ORIGIN  Originate:      42240 /16.63  Transit:          0 /0.00  Universidad de Costa Rica, CR

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       %
 3718 AS263683      Universidad de Costa Rica, CR                     34     19      4     19     15  44.12%


  Prefix               AS Path                              Aggregation Suggestion
  163.178.8.0/24       6939 6762 11830 263683   
  163.178.16.0/22      6939 6762 11830 263683   
  163.178.48.0/20      6939 6762 11830 263683 + Announce - aggregate of 163.178.48.0/21 (6939 6762 11830 263683) and 163.178.56.0/21 (6939 6762 11830 263683)
  163.178.48.0/22      6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.52.0/22 (6939 6762 11830 263683)
  163.178.52.0/23      6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.54.0/23 (6939 6762 11830 263683)
  163.178.54.0/24      6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.55.0/24 (6939 6762 11830 263683)
  163.178.55.0/24      6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.54.0/24 (6939 6762 11830 263683)
  163.178.56.0/21      6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.48.0/21 (6939 6762 11830 263683)
  163.178.64.0/21      6939 6762 11830 263683   
  163.178.72.0/22      6939 6762 11830 263683   
  163.178.76.0/23      6939 6762 11830 263683   
  163.178.79.0/24      6939 6762 11830 263683   
  163.178.80.0/21      6939 6762 11830 263683 + Announce - aggregate of 163.178.80.0/22 (6939 6762 11830 263683) and 163.178.84.0/22 (6939 6762 11830 263683)
  163.178.80.0/24      6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.81.0/24 (6939 6762 11830 263683)
  163.178.81.0/24      6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.80.0/24 (6939 6762 11830 263683)
  163.178.82.0/23      6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.80.0/23 (6939 6762 11830 263683)
  163.178.84.0/22      6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.80.0/22 (6939 6762 11830 263683)
  163.178.88.0/23      6939 6762 11830 263683   
  163.178.91.0/24      6939 6762 11830 263683   
  163.178.92.0/22      6939 6762 11830 263683   
  163.178.98.0/24      6939 6762 11830 263683   
  163.178.100.0/22     6939 6762 11830 263683   
  163.178.104.0/21     6939 6762 11830 263683 + Announce - aggregate of 163.178.104.0/22 (6939 6762 11830 263683) and 163.178.108.0/22 (6939 6762 11830 263683)
  163.178.104.0/23     6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.106.0/23 (6939 6762 11830 263683)
  163.178.106.0/24     6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.107.0/24 (6939 6762 11830 263683)
  163.178.107.0/24     6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.106.0/24 (6939 6762 11830 263683)
  163.178.108.0/22     6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.104.0/22 (6939 6762 11830 263683)
  163.178.112.0/20     6939 6762 11830 263683 + Announce - aggregate of 163.178.112.0/21 (6939 6762 11830 263683) and 163.178.120.0/21 (6939 6762 11830 263683)
  163.178.112.0/21     6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.120.0/21 (6939 6762 11830 263683)
  163.178.120.0/24     6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.121.0/24 (6939 6762 11830 263683)
  163.178.121.0/24     6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.120.0/24 (6939 6762 11830 263683)
  163.178.122.0/23     6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.120.0/23 (6939 6762 11830 263683)
  163.178.124.0/22     6939 6762 11830 263683 - Withdrawn - aggregated with 163.178.120.0/22 (6939 6762 11830 263683)
  163.178.140.0/22     6939 6762 11830 263683   
  163.178.160.0/19     6939 6762 11830 263683   
  163.178.208.0/20     6939 6762 11830 263683   
  163.178.224.0/19     6939 6762 11830 263683   
  163.178.239.0/24     6939 6762 11830 263683 - Withdrawn - matching aggregate 163.178.224.0/19 6939 6762 11830 263683

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

AS263683   32 More Specifics   32 Total Advertisements   Universidad de Costa Rica, CR
    163.178.8.0/24                163.178.0.0/16
    163.178.16.0/22               163.178.0.0/16
    163.178.48.0/22               163.178.0.0/16
    163.178.52.0/23               163.178.0.0/16
    163.178.54.0/24               163.178.0.0/16
    163.178.55.0/24               163.178.0.0/16
    163.178.56.0/21               163.178.0.0/16
    163.178.64.0/21               163.178.0.0/16
    163.178.72.0/22               163.178.0.0/16
    163.178.76.0/23               163.178.0.0/16
    163.178.79.0/24               163.178.0.0/16
    163.178.81.0/24               163.178.0.0/16
    163.178.82.0/23               163.178.0.0/16
    163.178.84.0/22               163.178.0.0/16
    163.178.88.0/23               163.178.0.0/16
    163.178.91.0/24               163.178.0.0/16
    163.178.92.0/22               163.178.0.0/16
    163.178.98.0/24               163.178.0.0/16
    163.178.100.0/22              163.178.0.0/16
    163.178.104.0/23              163.178.0.0/16
    163.178.106.0/24              163.178.0.0/16
    163.178.107.0/24              163.178.0.0/16
    163.178.108.0/22              163.178.0.0/16
    163.178.112.0/21              163.178.0.0/16
    163.178.120.0/24              163.178.0.0/16
    163.178.121.0/24              163.178.0.0/16
    163.178.122.0/23              163.178.0.0/16
    163.178.124.0/22              163.178.0.0/16
    163.178.160.0/19              163.178.0.0/16
    163.178.208.0/20              163.178.0.0/16
    163.178.224.0/19              163.178.0.0/16
    163.178.239.0/24              163.178.0.0/16
    163.178.80.0/24               163.178.0.0/16

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

    - 163.178.80.0/24             Withdrawn

Whois Entry

whois: 402551

IANA has recorded AS263683 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS263683\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded