Report for 21240

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.

21240 HELIOSNET-AS HeliosNet Autonomous System

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS8382    IRTEL-AS Irkutsk Central Telegraph autonomous system
    AS1299    TELIANET TeliaNet Global Network
    AS3216    SOVAM-AS Golden Telecom, Moscow, Russia

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5909  AS21240  ORIGIN  Originate:      12032 /18.45  Transit:          0 /0.00  HELIOSNET-AS HeliosNet Autonomous System

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       %
 2627 AS21240 HELIOSNET-AS HeliosNet Autonomous System     13      4      0      9      4  30.77%


  Prefix               AS Path                              Aggregation Suggestion
  80.72.16.0/20        4637 3549 3216 21240   
  80.72.18.0/24        4637 3549 3216 21240 - Withdrawn - matching aggregate 80.72.16.0/20 4637 3549 3216 21240
  80.72.19.0/24        4637 3356 3356 8342 8382 21240   
  80.72.20.0/24        4637 3549 3216 21240 - Withdrawn - matching aggregate 80.72.16.0/20 4637 3549 3216 21240
  80.72.26.0/24        4637 3491 1299 21240   
  80.72.28.0/22        4637 3356 3356 8342 8382 21240   
  80.72.31.0/24        4637 3356 3356 8342 8382 21240 - Withdrawn - matching aggregate 80.72.28.0/22 4637 3356 3356 8342 8382 21240
  80.92.192.0/20       4637 3549 3216 21240   
  80.92.193.0/24       4637 3491 1299 21240   
  80.92.194.0/23       4637 3491 1299 21240   
  80.92.200.0/24       4637 3491 1299 21240   
  80.92.203.0/24       4637 3491 1299 21240   
  80.92.205.0/24       4637 3549 3216 21240 - Withdrawn - matching aggregate 80.92.192.0/20 4637 3549 3216 21240

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

AS21240   11 More Specifics   13 Total Advertisements   HELIOSNET-AS HeliosNet Autonomous System
    80.72.18.0/24                 80.72.16.0/20
    80.72.19.0/24                 80.72.16.0/20
    80.72.20.0/24                 80.72.16.0/20
    80.72.23.0/24                 80.72.16.0/20
    80.72.26.0/24                 80.72.16.0/20
    80.72.28.0/22                 80.72.16.0/20
    80.92.193.0/24                80.92.192.0/20
    80.92.194.0/23                80.92.192.0/20
    80.92.200.0/24                80.92.192.0/20
    80.92.203.0/24                80.92.192.0/20
    80.92.205.0/24                80.92.192.0/20

Whois Entry

whois: 402603

IANA has recorded AS21240 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21240\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 'AS21153 - AS21241'
             
             as-block:       AS21153 - AS21241
             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:        2018-11-22T15:27:27Z
             last-modified:  2018-11-22T15:27:27Z
             source:         RIPE
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)