Report for 1637

Name

DNIC-AS-01637 - Headquarters, USAISC, US

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.

1637 DNIC-AS-01637 - Headquarters, USAISC, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS27066         DNIC-ASBLK-27032-27159 - United States Department of Defense DoD, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1135  AS1637         ORIGIN  Originate:     233472 /14.17  Transit:          0 /0.00  DNIC-AS-01637 - Headquarters, USAISC, US

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       %
  557 AS1637        DNIC-AS-01637 - Headquarters, USAISC, US         121    113      1      9    112  92.56%


  Prefix               AS Path                              Aggregation Suggestion
  6.16.88.0/23         4777 2516 3356 721 721 27066 1637 + Announce - aggregate of 6.16.88.0/24 (4777 2516 3356 721 721 27066 1637) and 6.16.89.0/24 (4777 2516 3356 721 721 27066 1637)
  6.16.88.0/24         4777 2516 3356 721 721 27066 1637 - Withdrawn - aggregated with 6.16.89.0/24 (4777 2516 3356 721 721 27066 1637)
  6.16.89.0/24         4777 2516 3356 721 721 27066 1637 - Withdrawn - aggregated with 6.16.88.0/24 (4777 2516 3356 721 721 27066 1637)
  6.134.24.0/22        4777 2516 3356 721 721 27066 1637   
  143.46.0.0/16        4777 2516 3356 721 721 27066 1637   
  143.46.5.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.8.0/23        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.10.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.11.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.12.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.17.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.18.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.20.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.21.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.22.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.23.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.24.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.25.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.26.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.27.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.32.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.33.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.34.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.35.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.36.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.37.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.39.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.48.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.49.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.50.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.51.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.53.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.60.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.110.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.116.0/22      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.120.0/22      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.128.0/23      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.130.0/23      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.134.0/23      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.140.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.141.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.142.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.143.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.144.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.145.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.146.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.147.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.150.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.151.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.158.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.161.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.164.0/22      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.168.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.169.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.170.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.190.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.193.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.196.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.210.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.229.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.240.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.46.253.0/24      4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 143.46.0.0/16 4777 2516 3356 721 721 27066 1637
  143.68.152.0/21      4777 2516 3356 721 721 27066 1637   
  147.248.24.0/24      4777 2516 3356 721 721 27066 1637   
  155.5.0.0/16         4777 2516 3356 721 721 27066 1637   
  155.5.17.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.5.18.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.5.20.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.5.21.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.5.32.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.5.33.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.5.35.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.5.48.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.5.49.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.5.106.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.5.116.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.5.122.0/23       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.5.142.0/23       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.5.152.0/23       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.5.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.0.0/16         4777 2516 3356 721 721 27066 1637   
  155.6.20.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.21.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.22.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.23.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.24.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.25.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.26.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.27.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.28.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.29.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.30.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.31.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.32.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.33.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.35.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.37.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.39.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.40.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.41.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.42.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.48.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.51.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.53.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.56.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.57.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.58.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.90.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.91.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.98.0/24        4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.100.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.194.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.200.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.210.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.216.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.217.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.218.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.219.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.220.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.240.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.6.243.0/24       4777 2516 3356 721 721 27066 1637 - Withdrawn - matching aggregate 155.6.0.0/16 4777 2516 3356 721 721 27066 1637
  155.20.105.0/24      4777 2516 3356 721 721 27066 1637 1637 1637   
  155.20.109.0/24      4777 2516 3356 721 721 27066 1637 1637 1637   

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

AS1637   118 More Specifics   121 Total Advertisements   DNIC-AS-01637 - Headquarters, USAISC, US
    6.16.88.0/24                  6.0.0.0/8
    6.16.89.0/24                  6.0.0.0/8
    6.134.24.0/22                 6.0.0.0/8
    143.46.5.0/24                 143.46.0.0/16
    143.46.8.0/23                 143.46.0.0/16
    143.46.10.0/24                143.46.0.0/16
    143.46.11.0/24                143.46.0.0/16
    143.46.12.0/24                143.46.0.0/16
    143.46.17.0/24                143.46.0.0/16
    143.46.18.0/24                143.46.0.0/16
    143.46.20.0/24                143.46.0.0/16
    143.46.21.0/24                143.46.0.0/16
    143.46.22.0/24                143.46.0.0/16
    143.46.23.0/24                143.46.0.0/16
    143.46.24.0/24                143.46.0.0/16
    143.46.25.0/24                143.46.0.0/16
    143.46.26.0/24                143.46.0.0/16
    143.46.27.0/24                143.46.0.0/16
    143.46.32.0/24                143.46.0.0/16
    143.46.33.0/24                143.46.0.0/16
    143.46.34.0/24                143.46.0.0/16
    143.46.35.0/24                143.46.0.0/16
    143.46.36.0/24                143.46.0.0/16
    143.46.37.0/24                143.46.0.0/16
    143.46.39.0/24                143.46.0.0/16
    143.46.48.0/24                143.46.0.0/16
    143.46.49.0/24                143.46.0.0/16
    143.46.50.0/24                143.46.0.0/16
    143.46.51.0/24                143.46.0.0/16
    143.46.53.0/24                143.46.0.0/16
    143.46.60.0/24                143.46.0.0/16
    143.46.110.0/24               143.46.0.0/16
    143.46.116.0/22               143.46.0.0/16
    143.46.120.0/22               143.46.0.0/16
    143.46.128.0/23               143.46.0.0/16
    143.46.130.0/23               143.46.0.0/16
    143.46.134.0/23               143.46.0.0/16
    143.46.140.0/24               143.46.0.0/16
    143.46.141.0/24               143.46.0.0/16
    143.46.142.0/24               143.46.0.0/16
    143.46.143.0/24               143.46.0.0/16
    143.46.144.0/24               143.46.0.0/16
    143.46.145.0/24               143.46.0.0/16
    143.46.146.0/24               143.46.0.0/16
    143.46.147.0/24               143.46.0.0/16
    143.46.150.0/24               143.46.0.0/16
    143.46.151.0/24               143.46.0.0/16
    143.46.158.0/24               143.46.0.0/16
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Whois Entry

whois: 402332

IANA has recorded AS1637 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS1637\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       1637
             ASName:         DNIC-AS-01637
             ASHandle:       AS1637
             RegDate:        2004-05-12
             Updated:        2011-08-24
             Ref:            https://rdap.arin.net/registry/autnum/1637
             
             
             OrgName:        Headquarters, USAISC
             OrgId:          HEADQU-3
             Address:        NETC-ANC CONUS TNOSC
             City:           Fort Huachuca
             StateProv:      AZ
             PostalCode:     85613
             Country:        US
             RegDate:        1990-03-26
             Updated:        2025-03-13
             Ref:            https://rdap.arin.net/registry/entity/HEADQU-3
             
             
             OrgAbuseHandle: REGIS10-ARIN
             OrgAbuseName:   Registration
             OrgAbusePhone:  +1-844-347-2457 
             OrgAbuseEmail:  disa.columbus.ns.mbx.arin-registrations@mail.mil
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/REGIS10-ARIN
             
             OrgTechHandle: REGIS10-ARIN
             OrgTechName:   Registration
             OrgTechPhone:  +1-844-347-2457 
             OrgTechEmail:  disa.columbus.ns.mbx.arin-registrations@mail.mil
             OrgTechRef:    https://rdap.arin.net/registry/entity/REGIS10-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #