Report for 37303

Name

Airtel Madagascar - Airtel Madagascar, MG

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 AS6447) 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.

37303 AIRTELMADA, MG

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS327708        AIRTEL-, RW

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
7737  AS37303        ORIGIN  Originate:      16640 /17.98  Transit:          0 /0.00  AIRTELMADA, MG

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       %
 1243 AS37303       AIRTELMADA, MG                                    65     54      5     16     49  75.38%


  Prefix               AS Path                              Aggregation Suggestion
  41.77.16.0/24        3303 37662 327708 37303   
  41.77.17.0/24        37100 327708 37303 37303   
  41.77.18.0/24        3741 37662 327708 37303 37303 37303 37303 37303 37303 37303   
  41.77.19.0/24        37100 327708 37303 37303   
  41.77.20.0/23        37100 327708 37303 37303 + Announce - aggregate of 41.77.20.0/24 (37100 327708 37303 37303) and 41.77.21.0/24 (37100 327708 37303 37303)
  41.77.20.0/24        37100 327708 37303 37303 - Withdrawn - aggregated with 41.77.21.0/24 (37100 327708 37303 37303)
  41.77.21.0/24        37100 327708 37303 37303 - Withdrawn - aggregated with 41.77.20.0/24 (37100 327708 37303 37303)
  41.77.22.0/24        37100 327708 37303     
  41.77.23.0/24        3741 37662 327708 37303 37303 37303 37303 37303 37303 37303   
  197.148.128.0/24     37100 327708 37303 37303   
  197.148.129.0/24     37100 327708 37303     
  197.148.130.0/24     37100 327708 37303     
  197.148.136.0/24     37100 327708 37303     
  197.148.137.0/24     37100 327708 37303 37303   
  197.148.138.0/23     37100 327708 37303 37303 + Announce - aggregate of 197.148.138.0/24 (37100 327708 37303 37303) and 197.148.139.0/24 (37100 327708 37303 37303)
  197.148.138.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.139.0/24 (37100 327708 37303 37303)
  197.148.139.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.138.0/24 (37100 327708 37303 37303)
  197.148.142.0/23     37100 327708 37303 37303 + Announce - aggregate of 197.148.142.0/24 (37100 327708 37303 37303) and 197.148.143.0/24 (37100 327708 37303 37303)
  197.148.142.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.143.0/24 (37100 327708 37303 37303)
  197.148.143.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.142.0/24 (37100 327708 37303 37303)
  197.148.144.0/20     37100 327708 37303 37303 + Announce - aggregate of 197.148.144.0/21 (37100 327708 37303 37303) and 197.148.152.0/21 (37100 327708 37303 37303)
  197.148.144.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.145.0/24 (37100 327708 37303 37303)
  197.148.145.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.144.0/24 (37100 327708 37303 37303)
  197.148.146.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.147.0/24 (37100 327708 37303 37303)
  197.148.147.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.146.0/24 (37100 327708 37303 37303)
  197.148.148.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.149.0/24 (37100 327708 37303 37303)
  197.148.149.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.148.0/24 (37100 327708 37303 37303)
  197.148.150.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.151.0/24 (37100 327708 37303 37303)
  197.148.151.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.150.0/24 (37100 327708 37303 37303)
  197.148.152.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.153.0/24 (37100 327708 37303 37303)
  197.148.153.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.152.0/24 (37100 327708 37303 37303)
  197.148.154.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.155.0/24 (37100 327708 37303 37303)
  197.148.155.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.154.0/24 (37100 327708 37303 37303)
  197.148.156.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.157.0/24 (37100 327708 37303 37303)
  197.148.157.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.156.0/24 (37100 327708 37303 37303)
  197.148.158.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.159.0/24 (37100 327708 37303 37303)
  197.148.159.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.158.0/24 (37100 327708 37303 37303)
  197.148.160.0/19     37100 327708 37303 37303 + Announce - aggregate of 197.148.160.0/20 (37100 327708 37303 37303) and 197.148.176.0/20 (37100 327708 37303 37303)
  197.148.160.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.161.0/24 (37100 327708 37303 37303)
  197.148.161.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.160.0/24 (37100 327708 37303 37303)
  197.148.162.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.163.0/24 (37100 327708 37303 37303)
  197.148.163.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.162.0/24 (37100 327708 37303 37303)
  197.148.164.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.165.0/24 (37100 327708 37303 37303)
  197.148.165.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.164.0/24 (37100 327708 37303 37303)
  197.148.166.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.167.0/24 (37100 327708 37303 37303)
  197.148.167.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.166.0/24 (37100 327708 37303 37303)
  197.148.168.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.169.0/24 (37100 327708 37303 37303)
  197.148.169.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.168.0/24 (37100 327708 37303 37303)
  197.148.170.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.171.0/24 (37100 327708 37303 37303)
  197.148.171.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.170.0/24 (37100 327708 37303 37303)
  197.148.172.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.173.0/24 (37100 327708 37303 37303)
  197.148.173.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.172.0/24 (37100 327708 37303 37303)
  197.148.174.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.175.0/24 (37100 327708 37303 37303)
  197.148.175.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.174.0/24 (37100 327708 37303 37303)
  197.148.176.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.177.0/24 (37100 327708 37303 37303)
  197.148.177.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.176.0/24 (37100 327708 37303 37303)
  197.148.178.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.179.0/24 (37100 327708 37303 37303)
  197.148.179.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.178.0/24 (37100 327708 37303 37303)
  197.148.180.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.181.0/24 (37100 327708 37303 37303)
  197.148.181.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.180.0/24 (37100 327708 37303 37303)
  197.148.182.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.183.0/24 (37100 327708 37303 37303)
  197.148.183.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.182.0/24 (37100 327708 37303 37303)
  197.148.184.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.185.0/24 (37100 327708 37303 37303)
  197.148.185.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.184.0/24 (37100 327708 37303 37303)
  197.148.186.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.187.0/24 (37100 327708 37303 37303)
  197.148.187.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.186.0/24 (37100 327708 37303 37303)
  197.148.188.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.189.0/24 (37100 327708 37303 37303)
  197.148.189.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.188.0/24 (37100 327708 37303 37303)
  197.148.190.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.191.0/24 (37100 327708 37303 37303)
  197.148.191.0/24     37100 327708 37303 37303 - Withdrawn - aggregated with 197.148.190.0/24 (37100 327708 37303 37303)

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

AS37303   17 More Specifics   18 Total Advertisements   AIRTELMADA, MG
    41.77.16.0/23                 41.77.16.0/21
    41.77.16.0/24                 41.77.16.0/21
    41.77.18.0/24                 41.77.16.0/21
    41.77.19.0/24                 41.77.16.0/21
    41.77.20.0/24                 41.77.16.0/21
    41.77.21.0/24                 41.77.16.0/21
    41.77.22.0/24                 41.77.16.0/21
    41.77.23.0/24                 41.77.16.0/21
    197.148.129.0/24              197.148.128.0/18
    197.148.130.0/24              197.148.128.0/18
    197.148.131.0/24              197.148.128.0/18
    197.148.132.0/24              197.148.128.0/18
    197.148.133.0/24              197.148.128.0/18
    197.148.134.0/24              197.148.128.0/18
    197.148.135.0/24              197.148.128.0/18
    197.148.136.0/24              197.148.128.0/18
    197.148.139.0/24              197.148.128.0/18

Whois Entry

whois: 402603

IANA has recorded AS37303 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS37303\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