Report for 37540

Name

Winrock Nigeria Limited - Winrock Nigeria 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.

37540 Winrock Nigeria Limited - Winrock Nigeria Limited, NG

  Adjacency:     3  Upstream:     2  Downstream:     1
  Upstream Adjacent AS list
    AS37148         Globacom Limited - Globacom Limited, NG
    AS37662         West Indian Ocean Cable Company - West Indian Ocean Cable Company, MU
  Downstream Adjacent AS list
    AS329199        STL FIBERCO LTD - STL FIBERCO LTD, NG

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
17082 AS37540        ORG+TRN Originate:       4096 /20.00  Transit:        256 /24.00 Winrock Nigeria Limited - Winrock Nigeria 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       %
 7423 AS37540       Winrock Nigeria Limited - Winrock Nigeria Lim     10      7      1      4      6  60.00%


  Prefix               AS Path                              Aggregation Suggestion
  41.207.248.0/22      4608 6939 37662 37540   
  41.207.248.0/23      4608 6939 37662 37540 - Withdrawn - matching aggregate 41.207.248.0/22 4608 6939 37662 37540
  41.207.248.0/23      4608 6939 37662 37540 37540 37540 37540 + Announce - aggregate of 41.207.248.0/24 (4608 6939 37662 37540 37540 37540 37540) and 41.207.249.0/24 (4608 6939 37662 37540 37540 37540 37540)
  41.207.248.0/24      4608 6939 37662 37540 37540 37540 37540 - Withdrawn - aggregated with 41.207.249.0/24 (4608 6939 37662 37540 37540 37540 37540)
  41.207.249.0/24      4608 6939 37662 37540 37540 37540 37540 - Withdrawn - aggregated with 41.207.248.0/24 (4608 6939 37662 37540 37540 37540 37540)
  41.207.250.0/23      4608 6939 37662 37540 - Withdrawn - matching aggregate 41.207.248.0/22 4608 6939 37662 37540
  41.207.250.0/24      4608 6939 37662 37540 - Withdrawn - matching aggregate 41.207.248.0/22 4608 6939 37662 37540
  41.207.251.0/24      4608 6939 37662 37540 - Withdrawn - matching aggregate 41.207.248.0/22 4608 6939 37662 37540
  102.220.44.0/23      4777 6939 37662 37540 37540 37540 37540   
  102.220.44.0/24      4777 6939 37662 37540 37540 37540 37540 - Withdrawn - matching aggregate 102.220.44.0/23 4777 6939 37662 37540 37540 37540 37540
  102.220.45.0/24      4777 2516 6762 37148 37540   

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

AS37540   9 More Specifics   10 Total Advertisements   Winrock Nigeria Limited - Winrock Nigeria Limited, NG
    41.207.248.0/23               41.207.248.0/22
    41.207.248.0/24               41.207.248.0/22
    41.207.249.0/24               41.207.248.0/22
    41.207.250.0/23               41.207.248.0/22
    41.207.250.0/24               41.207.248.0/22
    41.207.251.0/24               41.207.248.0/22
    102.220.44.0/23               102.220.44.0/22
    102.220.44.0/24               102.220.44.0/22
    102.220.45.0/24               102.220.44.0/22

Whois Entry

whois: 402603

IANA has recorded AS37540 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS37540\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