Report for 21177

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.

21177 DEFINITE Definite Network

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3356    LEVEL3 Level 3 Communications

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8363  AS21177  ORIGIN  Originate:       6144 /19.42  Transit:          0 /0.00  DEFINITE Definite Network

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       %
 5425 AS21177 DEFINITE Definite Network                     3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  80.84.64.0/20        4637 3356 21177      + Announce - aggregate of 80.84.64.0/21 (4637 3356 21177) and 80.84.72.0/21 (4637 3356 21177)
  80.84.64.0/21        4637 3356 21177      - Withdrawn - aggregated with 80.84.72.0/21 (4637 3356 21177)
  80.84.72.0/21        4637 3356 21177      - Withdrawn - aggregated with 80.84.64.0/21 (4637 3356 21177)
  80.84.80.0/21        4637 3356 21177        

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

AS21177   5 More Specifics   5 Total Advertisements   DEFINITE Definite Network
    62.245.56.0/21                62.245.32.0/19
    80.84.64.0/21                 80.84.64.0/20
    80.84.72.0/21                 80.84.64.0/20
    80.84.80.0/21                 80.84.80.0/20
    80.84.88.0/21                 80.84.80.0/20

Whois Entry

whois: 402332

IANA has recorded AS21177 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21177\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 (DEXTER)