Report for 57981

Name

NCN-AS, UA

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.

57981 NCN-AS, UA

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS199995        OT-AS, UA
    AS43103         ONETELECOM-AS, UA

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
23425 AS57981        ORIGIN  Originate:       2304 /20.83  Transit:          0 /0.00  NCN-AS, UA

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       %
16867 AS57981       NCN-AS, UA                                         5      2      0      3      2  40.00%


  Prefix               AS Path                              Aggregation Suggestion
  91.215.56.0/22       4777 6939 3255 43103 57981 57981   
  91.215.58.0/24       4777 6939 3255 43103 57981 57981 - Withdrawn - matching aggregate 91.215.56.0/22 4777 6939 3255 43103 57981 57981
  91.215.59.0/24       4777 6939 3255 43103 57981 57981 - Withdrawn - matching aggregate 91.215.56.0/22 4777 6939 3255 43103 57981 57981
  91.237.114.0/23      4777 6939 199995 57981 57981   
  91.237.115.0/24      4777 6939 3255 43103 57981   

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

AS57981   3 More Specifics   5 Total Advertisements   NCN-AS, UA
    91.215.58.0/24                91.215.56.0/22
    91.215.59.0/24                91.215.56.0/22
    91.237.115.0/24               91.237.114.0/23

Whois Entry

whois: 402332

IANA has recorded AS57981 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS57981\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)