Report for 27291

Name

CDS - Century Data Service, Inc, US

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.

27291 CDS - Century Data Service, Inc, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6939          HURRICANE - Hurricane Electric LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
48931 AS27291        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  CDS - Century Data Service, Inc, US

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       %
21454 AS27291       CDS - Century Data Service, Inc, US                2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  134.195.36.0/23      4777 6939 27291      + Announce - aggregate of 134.195.36.0/24 (4777 6939 27291) and 134.195.37.0/24 (4777 6939 27291)
  134.195.36.0/24      4777 6939 27291      - Withdrawn - aggregated with 134.195.37.0/24 (4777 6939 27291)
  134.195.37.0/24      4777 6939 27291      - Withdrawn - aggregated with 134.195.36.0/24 (4777 6939 27291)

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

AS27291   2 More Specifics   2 Total Advertisements   CDS - Century Data Service, Inc, US
    134.195.36.0/24               134.195.36.0/22
    134.195.37.0/24               134.195.36.0/22

Whois Entry

whois: 402332

IANA has recorded AS27291 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS27291\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-AU5)