Report for 21354

Name

--No AS Description--

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.

21354 S-NET-AS S-NET Ltd Autonomus System Kremenchug, Ukraine

  Adjacency:     3  Upstream:     2  Downstream:     1
  Upstream Adjacent AS list
    AS21310   ASN-SATELLITE Satellite Ltd
    AS15772   WNET W-NET Kiev
  Downstream Adjacent AS list
    AS39822   KUTS-AS ISP FOBOS

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
12324 AS21354  ORG+TRN Originate:       2048 /21.00  Transit:       1024 /22.00 S-NET-AS S-NET Ltd Autonomus System Kremenchug, Ukraine

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       %
 3930 AS21354 S-NET-AS S-NET Ltd Autonomus System Krem      6      4      2      4      2  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  194.44.40.0/23       4637 3356 35320 21310 21354 21354 21354 21354 21354 21354   
  194.44.40.0/23       4637 3491 15772 21354 + Announce - aggregate of 194.44.40.0/24 (4637 3491 15772 21354) and 194.44.41.0/24 (4637 3491 15772 21354)
  194.44.40.0/24       4637 3491 15772 21354 - Withdrawn - aggregated with 194.44.41.0/24 (4637 3491 15772 21354)
  194.44.41.0/24       4637 3491 15772 21354 - Withdrawn - aggregated with 194.44.40.0/24 (4637 3491 15772 21354)
  194.44.42.0/23       4637 3356 35320 21310 21354 21354 21354 21354 21354 21354   
  194.44.42.0/23       4637 3491 15772 21354 + Announce - aggregate of 194.44.42.0/24 (4637 3491 15772 21354) and 194.44.43.0/24 (4637 3491 15772 21354)
  194.44.42.0/24       4637 3491 15772 21354 - Withdrawn - aggregated with 194.44.43.0/24 (4637 3491 15772 21354)
  194.44.43.0/24       4637 3491 15772 21354 - Withdrawn - aggregated with 194.44.42.0/24 (4637 3491 15772 21354)

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

AS21354   6 More Specifics   6 Total Advertisements   S-NET-AS S-NET Ltd Autonomus System Kremenchug, Ukraine
    194.44.40.0/23                194.44.0.0/16
    194.44.40.0/24                194.44.0.0/16
    194.44.41.0/24                194.44.0.0/16
    194.44.42.0/23                194.44.0.0/16
    194.44.42.0/24                194.44.0.0/16
    194.44.43.0/24                194.44.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS21354 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21354\n             % This is the RIPE Database query service.
             % The objects are in RPSL format.
             %
             % The RIPE Database is subject to Terms and Conditions.
             % See https://docs.db.ripe.net/terms-conditions.html
             
             % Note: this output has been filtered.
             
             % Information related to 'AS21281 - AS21390'
             
             as-block:       AS21281 - AS21390
             descr:          RIPE NCC ASN block
             remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
             mnt-by:         RIPE-NCC-HM-MNT
             created:        2018-11-22T15:27:28Z
             last-modified:  2018-11-22T15:27:28Z
             source:         RIPE
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)