Report for 25163

Name

21st Century Technologies Limited - 21st Century Technologies Limited, NG

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.

25163 21st Century Technologies Limited - 21st Century Technologies Limited, NG

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS327727        C-Squared Limited - C-Squared Limited, UG
    AS29465         VCG-AS - MTN NIGERIA Communication limited, NG
    AS37148         Globacom Limited - Globacom Limited, NG

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15774 AS25163        ORIGIN  Originate:       4608 /19.83  Transit:          0 /0.00  21st Century Technologies Limited - 21st Century Technologies Limited, NG

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       %
 6441 AS25163       21st Century Technologies Limited - 21st Cent     18     12      5     11      7  38.89%


  Prefix               AS Path                              Aggregation Suggestion
  41.222.150.0/23      4777 2516 174 327727 25163 25163 25163 25163 + Announce - aggregate of 41.222.150.0/24 (4777 2516 174 327727 25163 25163 25163 25163) and 41.222.151.0/24 (4777 2516 174 327727 25163 25163 25163 25163)
  41.222.150.0/24      4777 2516 174 327727 25163 25163 25163 25163 - Withdrawn - aggregated with 41.222.151.0/24 (4777 2516 174 327727 25163 25163 25163 25163)
  41.222.151.0/24      4777 2516 174 327727 25163 25163 25163 25163 - Withdrawn - aggregated with 41.222.150.0/24 (4777 2516 174 327727 25163 25163 25163 25163)
  80.248.0.0/22        4777 2497 6453 37148 25163 + Announce - aggregate of 80.248.0.0/23 (4777 2497 6453 37148 25163) and 80.248.2.0/23 (4777 2497 6453 37148 25163)
  80.248.0.0/24        4777 2497 6453 37148 25163 - Withdrawn - aggregated with 80.248.1.0/24 (4777 2497 6453 37148 25163)
  80.248.1.0/24        4777 2497 6453 37148 25163 - Withdrawn - aggregated with 80.248.0.0/24 (4777 2497 6453 37148 25163)
  80.248.2.0/24        4777 2497 6453 37148 25163 - Withdrawn - aggregated with 80.248.3.0/24 (4777 2497 6453 37148 25163)
  80.248.3.0/24        4777 2497 6453 37148 25163 - Withdrawn - aggregated with 80.248.2.0/24 (4777 2497 6453 37148 25163)
  80.248.4.0/24        4777 2516 3356 16637 29465 25163   
  80.248.5.0/24        4777 2497 6453 37148 25163   
  80.248.6.0/24        4777 2516 6762 37148 25163   
  80.248.7.0/24        4777 2516 3356 16637 29465 25163   
  80.248.8.0/23        4777 2516 3356 16637 29465 25163 + Announce - aggregate of 80.248.8.0/24 (4777 2516 3356 16637 29465 25163) and 80.248.9.0/24 (4777 2516 3356 16637 29465 25163)
  80.248.8.0/24        4777 2516 3356 16637 29465 25163 - Withdrawn - aggregated with 80.248.9.0/24 (4777 2516 3356 16637 29465 25163)
  80.248.9.0/24        4777 2516 3356 16637 29465 25163 - Withdrawn - aggregated with 80.248.8.0/24 (4777 2516 3356 16637 29465 25163)
  80.248.10.0/23       4777 2497 6453 37148 25163 + Announce - aggregate of 80.248.10.0/24 (4777 2497 6453 37148 25163) and 80.248.11.0/24 (4777 2497 6453 37148 25163)
  80.248.10.0/24       4777 2497 6453 37148 25163 - Withdrawn - aggregated with 80.248.11.0/24 (4777 2497 6453 37148 25163)
  80.248.11.0/24       4777 2497 6453 37148 25163 - Withdrawn - aggregated with 80.248.10.0/24 (4777 2497 6453 37148 25163)
  80.248.12.0/24       4777 2497 6453 37148 25163   
  80.248.13.0/24       4777 2516 6762 37148 25163   
  80.248.14.0/23       4777 2497 6453 37148 25163 + Announce - aggregate of 80.248.14.0/24 (4777 2497 6453 37148 25163) and 80.248.15.0/24 (4777 2497 6453 37148 25163)
  80.248.14.0/24       4777 2497 6453 37148 25163 - Withdrawn - aggregated with 80.248.15.0/24 (4777 2497 6453 37148 25163)
  80.248.15.0/24       4777 2497 6453 37148 25163 - Withdrawn - aggregated with 80.248.14.0/24 (4777 2497 6453 37148 25163)

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

AS25163   18 More Specifics   18 Total Advertisements   21st Century Technologies Limited - 21st Century Technologies Limited, NG
    41.222.150.0/24               41.222.144.0/21
    41.222.151.0/24               41.222.144.0/21
    80.248.0.0/24                 80.248.0.0/20
    80.248.1.0/24                 80.248.0.0/20
    80.248.2.0/24                 80.248.0.0/20
    80.248.3.0/24                 80.248.0.0/20
    80.248.4.0/24                 80.248.0.0/20
    80.248.5.0/24                 80.248.0.0/20
    80.248.6.0/24                 80.248.0.0/20
    80.248.7.0/24                 80.248.0.0/20
    80.248.8.0/24                 80.248.0.0/20
    80.248.9.0/24                 80.248.0.0/20
    80.248.10.0/24                80.248.0.0/20
    80.248.11.0/24                80.248.0.0/20
    80.248.12.0/24                80.248.0.0/20
    80.248.13.0/24                80.248.0.0/20
    80.248.14.0/24                80.248.0.0/20
    80.248.15.0/24                80.248.0.0/20

Whois Entry

whois: 402628

IANA has recorded AS25163 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS25163\n             % This is the AfriNIC Whois server.
             % The AFRINIC whois database is subject to  the following terms of Use. See https://afrinic.net/whois/terms