Report for 50300

Name

CUSTDC - CustodianDC Limited, GB

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.

50300 CUSTDC - CustodianDC Limited, GB

  Adjacency:     9  Upstream:     4  Downstream:     5
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS3223          VOXILITY - Voxility LLP, GB
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS3257          GTT-BACKBONE - GTT Communications Inc., US
  Downstream Adjacent AS list
    AS31463         FourD-AS - Redcentric Solutions Ltd, GB
    AS43408         OCD-UK - Orange Cyberdefense UK Limited, GB
    AS51926         P1C-AS - PageOne Communications Ltd, GB
    AS48407         TIGRISNET-IRAQ - TigrisNet, IQ
    AS39103         as_moat - Moat Homes Limited, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
9785  AS50300        ORG+TRN Originate:      10752 /18.61  Transit:       4608 /19.83 CUSTDC - CustodianDC Limited, GB

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       %
 3167 AS50300       CUSTDC - CustodianDC Limited, GB                  39     26      9     22     17  43.59%


  Prefix               AS Path                              Aggregation Suggestion
  5.102.168.0/22       4608 7575 2914 50300 + Announce - aggregate of 5.102.168.0/23 (4608 7575 2914 50300) and 5.102.170.0/23 (4608 7575 2914 50300)
  5.102.168.0/24       4608 7575 2914 50300 - Withdrawn - aggregated with 5.102.169.0/24 (4608 7575 2914 50300)
  5.102.169.0/24       4608 7575 2914 50300 - Withdrawn - aggregated with 5.102.168.0/24 (4608 7575 2914 50300)
  5.102.170.0/24       4608 7575 2914 50300 - Withdrawn - aggregated with 5.102.171.0/24 (4608 7575 2914 50300)
  5.102.171.0/24       4608 7575 2914 50300 - Withdrawn - aggregated with 5.102.170.0/24 (4608 7575 2914 50300)
  5.102.172.0/23       4608 7575 2914 50300 + Announce - aggregate of 5.102.172.0/24 (4608 7575 2914 50300) and 5.102.173.0/24 (4608 7575 2914 50300)
  5.102.172.0/24       4608 7575 2914 50300 - Withdrawn - aggregated with 5.102.173.0/24 (4608 7575 2914 50300)
  5.102.173.0/24       4608 7575 2914 50300 - Withdrawn - aggregated with 5.102.172.0/24 (4608 7575 2914 50300)
  5.102.174.0/24       4777 2516 3257 50300   
  5.102.175.0/24       4608 7575 2914 50300   
  92.118.16.0/24       4608 7575 2914 50300   
  109.74.240.0/22      4608 7575 2914 50300 + Announce - aggregate of 109.74.240.0/23 (4608 7575 2914 50300) and 109.74.242.0/23 (4608 7575 2914 50300)
  109.74.240.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 109.74.241.0/24 (4608 7575 2914 50300)
  109.74.241.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 109.74.240.0/24 (4608 7575 2914 50300)
  109.74.242.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 109.74.243.0/24 (4608 7575 2914 50300)
  109.74.243.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 109.74.242.0/24 (4608 7575 2914 50300)
  109.74.244.0/24      4608 7575 2914 50300   
  109.74.246.0/23      4608 7575 2914 50300 + Announce - aggregate of 109.74.246.0/24 (4608 7575 2914 50300) and 109.74.247.0/24 (4608 7575 2914 50300)
  109.74.246.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 109.74.247.0/24 (4608 7575 2914 50300)
  109.74.247.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 109.74.246.0/24 (4608 7575 2914 50300)
  109.74.248.0/22      4608 7575 2914 50300 + Announce - aggregate of 109.74.248.0/23 (4608 7575 2914 50300) and 109.74.250.0/23 (4608 7575 2914 50300)
  109.74.248.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 109.74.249.0/24 (4608 7575 2914 50300)
  109.74.249.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 109.74.248.0/24 (4608 7575 2914 50300)
  109.74.250.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 109.74.251.0/24 (4608 7575 2914 50300)
  109.74.251.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 109.74.250.0/24 (4608 7575 2914 50300)
  109.74.252.0/24      4608 7575 2914 50300   
  109.74.255.0/24      4777 2516 3257 50300   
  176.12.104.0/23      4608 7575 2914 50300 + Announce - aggregate of 176.12.104.0/24 (4608 7575 2914 50300) and 176.12.105.0/24 (4608 7575 2914 50300)
  176.12.104.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 176.12.105.0/24 (4608 7575 2914 50300)
  176.12.105.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 176.12.104.0/24 (4608 7575 2914 50300)
  176.12.106.0/24      4777 2516 3257 50300   
  176.12.107.0/24      4608 7575 2914 50300   
  176.12.108.0/23      4608 7575 2914 50300 + Announce - aggregate of 176.12.108.0/24 (4608 7575 2914 50300) and 176.12.109.0/24 (4608 7575 2914 50300)
  176.12.108.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 176.12.109.0/24 (4608 7575 2914 50300)
  176.12.109.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 176.12.108.0/24 (4608 7575 2914 50300)
  176.12.110.0/24      4608 7575 2914 50300   
  185.14.164.0/22      4608 7575 2914 50300   
  185.32.72.0/23       4608 7575 2914 50300 + Announce - aggregate of 185.32.72.0/24 (4608 7575 2914 50300) and 185.32.73.0/24 (4608 7575 2914 50300)
  185.32.72.0/24       4608 7575 2914 50300 - Withdrawn - aggregated with 185.32.73.0/24 (4608 7575 2914 50300)
  185.32.73.0/24       4608 7575 2914 50300 - Withdrawn - aggregated with 185.32.72.0/24 (4608 7575 2914 50300)
  185.32.75.0/24       4608 7575 2914 50300   
  185.42.65.0/24       4608 7575 2914 50300   
  185.48.164.0/22      4608 7575 2914 50300 + Announce - aggregate of 185.48.164.0/23 (4608 7575 2914 50300) and 185.48.166.0/23 (4608 7575 2914 50300)
  185.48.164.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 185.48.165.0/24 (4608 7575 2914 50300)
  185.48.165.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 185.48.164.0/24 (4608 7575 2914 50300)
  185.48.166.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 185.48.167.0/24 (4608 7575 2914 50300)
  185.48.167.0/24      4608 7575 2914 50300 - Withdrawn - aggregated with 185.48.166.0/24 (4608 7575 2914 50300)
  193.33.198.0/24      4608 7575 2914 50300   

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

AS50300   38 More Specifics   39 Total Advertisements   CUSTDC - CustodianDC Limited, GB
    5.102.168.0/24                5.102.168.0/21
    5.102.169.0/24                5.102.168.0/21
    5.102.170.0/24                5.102.168.0/21
    5.102.171.0/24                5.102.168.0/21
    5.102.172.0/24                5.102.168.0/21
    5.102.173.0/24                5.102.168.0/21
    5.102.174.0/24                5.102.168.0/21
    5.102.175.0/24                5.102.168.0/21
    92.118.16.0/24                92.118.16.0/22
    109.74.240.0/24               109.74.240.0/20
    109.74.241.0/24               109.74.240.0/20
    109.74.242.0/24               109.74.240.0/20
    109.74.243.0/24               109.74.240.0/20
    109.74.244.0/24               109.74.240.0/20
    109.74.246.0/24               109.74.240.0/20
    109.74.247.0/24               109.74.240.0/20
    109.74.248.0/24               109.74.240.0/20
    109.74.249.0/24               109.74.240.0/20
    109.74.250.0/24               109.74.240.0/20
    109.74.251.0/24               109.74.240.0/20
    109.74.252.0/24               109.74.240.0/20
    109.74.255.0/24               109.74.240.0/20
    176.12.104.0/24               176.12.104.0/21
    176.12.105.0/24               176.12.104.0/21
    176.12.106.0/24               176.12.104.0/21
    176.12.107.0/24               176.12.104.0/21
    176.12.108.0/24               176.12.104.0/21
    176.12.109.0/24               176.12.104.0/21
    176.12.110.0/24               176.12.104.0/21
    185.32.72.0/24                185.32.72.0/22
    185.32.73.0/24                185.32.72.0/22
    185.32.75.0/24                185.32.72.0/22
    185.42.65.0/24                185.42.64.0/22
    185.48.164.0/24               185.48.164.0/22
    185.48.165.0/24               185.48.164.0/22
    185.48.166.0/24               185.48.164.0/22
    185.48.167.0/24               185.48.164.0/22
    193.33.198.0/24               193.33.198.0/23

Whois Entry

whois: 402628

IANA has recorded AS50300 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS50300\n