Report for 747

Name

DNIC-AS-00747 - 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.

747 DNIC-AS-00747 - Headquarters, USAISC, US

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS27066         DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD), US
  Downstream Adjacent AS list
    AS5277          DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD), US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1642  AS747          ORG+TRN Originate:     145664 /14.85  Transit:     270336 /13.96 DNIC-AS-00747 - 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       %
 2769 AS747         DNIC-AS-00747 - Headquarters, USAISC, US          45     22      3     26     19  42.22%


  Prefix               AS Path                              Aggregation Suggestion
  143.68.64.0/19       4777 2516 3356 721 721 27066 747   
  143.68.96.0/21       4777 2516 3356 721 721 27066 747   
  143.73.173.0/24      4777 2516 3356 721 721 27066 747   
  143.73.240.0/20      4777 2516 3356 721 721 27066 747   
  143.74.251.0/24      4777 2516 3356 721 721 27066 747   
  143.76.112.0/20      4777 2516 3356 721 721 27066 747   
  143.76.227.0/24      4777 2516 3356 721 721 27066 747   
  143.76.239.0/24      4777 2516 3356 721 721 27066 747   
  143.86.128.0/20      4777 2516 3356 721 721 27066 747   
  144.104.16.0/21      4777 2516 3356 721 721 27066 747   
  144.104.248.0/21     4777 2516 3356 721 721 27066 747   
  144.107.128.0/19     4777 2516 3356 721 721 27066 747 + Announce - aggregate of 144.107.128.0/20 (4777 2516 3356 721 721 27066 747) and 144.107.144.0/20 (4777 2516 3356 721 721 27066 747)
  144.107.128.0/21     4777 2516 3356 721 721 27066 747 - Withdrawn - aggregated with 144.107.136.0/21 (4777 2516 3356 721 721 27066 747)
  144.107.136.0/21     4777 2516 3356 721 721 27066 747 - Withdrawn - aggregated with 144.107.128.0/21 (4777 2516 3356 721 721 27066 747)
  144.107.144.0/20     4777 2516 3356 721 721 27066 747 - Withdrawn - aggregated with 144.107.128.0/20 (4777 2516 3356 721 721 27066 747)
  144.107.224.0/20     4777 2516 3356 721 721 27066 747   
  147.242.0.0/16       4777 2516 3356 721 721 27066 747   
  147.242.1.0/24       4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.3.0/24       4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.5.0/24       4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.8.0/24       4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.21.0/24      4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.50.0/24      4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.52.0/24      4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.105.0/24     4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.127.0/24     4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.128.0/24     4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.200.0/24     4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.236.0/24     4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.245.0/24     4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.249.0/24     4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  147.242.250.0/24     4777 2516 3356 721 721 27066 747 - Withdrawn - matching aggregate 147.242.0.0/16 4777 2516 3356 721 721 27066 747
  150.196.48.0/20      4777 2516 3356 721 721 27066 747   
  150.196.64.0/19      4777 2516 3356 721 721 27066 747 + Announce - aggregate of 150.196.64.0/20 (4777 2516 3356 721 721 27066 747) and 150.196.80.0/20 (4777 2516 3356 721 721 27066 747)
  150.196.64.0/20      4777 2516 3356 721 721 27066 747 - Withdrawn - aggregated with 150.196.80.0/20 (4777 2516 3356 721 721 27066 747)
  150.196.80.0/20      4777 2516 3356 721 721 27066 747 - Withdrawn - aggregated with 150.196.64.0/20 (4777 2516 3356 721 721 27066 747)
  155.20.148.0/22      4777 2516 3356 721 721 27066 747   
  155.20.163.0/24      4777 2516 3356 721 721 27066 747   
  155.20.231.0/24      4777 2516 3356 721 721 27066 747   
  155.20.252.0/24      4777 2516 3356 721 721 27066 747   
  155.26.64.0/24       4777 2516 3356 721 721 27066 747   
  160.140.252.0/22     4777 2516 3356 721 721 27066 747   
  160.143.192.0/19     4777 2516 3356 721 721 27064 27066 747   
  160.143.224.0/19     4777 2516 3356 721 721 27066 747   
  215.1.62.0/23        4777 2516 3356 721 721 27066 747 + Announce - aggregate of 215.1.62.0/24 (4777 2516 3356 721 721 27066 747) and 215.1.63.0/24 (4777 2516 3356 721 721 27066 747)
  215.1.62.0/24        4777 2516 3356 721 721 27066 747 - Withdrawn - aggregated with 215.1.63.0/24 (4777 2516 3356 721 721 27066 747)
  215.1.63.0/24        4777 2516 3356 721 721 27066 747 - Withdrawn - aggregated with 215.1.62.0/24 (4777 2516 3356 721 721 27066 747)
  215.1.96.0/20        4777 2516 3356 721 721 27066 747   

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

AS747   44 More Specifics   45 Total Advertisements   DNIC-AS-00747 - Headquarters, USAISC, US
    143.68.64.0/19                143.68.0.0/16
    143.68.96.0/21                143.68.0.0/16
    143.73.173.0/24               143.73.0.0/16
    143.73.240.0/20               143.73.0.0/16
    143.74.251.0/24               143.74.0.0/16
    143.76.112.0/20               143.76.0.0/16
    143.76.227.0/24               143.76.0.0/16
    143.76.239.0/24               143.76.0.0/16
    143.86.128.0/20               143.86.0.0/16
    144.104.16.0/21               144.104.0.0/16
    144.104.248.0/21              144.104.0.0/16
    144.107.128.0/21              144.107.0.0/16
    144.107.136.0/21              144.107.0.0/16
    144.107.144.0/20              144.107.0.0/16
    144.107.224.0/20              144.107.0.0/16
    147.242.1.0/24                147.242.0.0/16
    147.242.3.0/24                147.242.0.0/16
    147.242.5.0/24                147.242.0.0/16
    147.242.8.0/24                147.242.0.0/16
    147.242.21.0/24               147.242.0.0/16
    147.242.50.0/24               147.242.0.0/16
    147.242.52.0/24               147.242.0.0/16
    147.242.105.0/24              147.242.0.0/16
    147.242.127.0/24              147.242.0.0/16
    147.242.128.0/24              147.242.0.0/16
    147.242.200.0/24              147.242.0.0/16
    147.242.236.0/24              147.242.0.0/16
    147.242.245.0/24              147.242.0.0/16
    147.242.249.0/24              147.242.0.0/16
    147.242.250.0/24              147.242.0.0/16
    150.196.48.0/20               150.196.0.0/16
    150.196.64.0/20               150.196.0.0/16
    150.196.80.0/20               150.196.0.0/16
    155.20.148.0/22               155.20.0.0/16
    155.20.163.0/24               155.20.0.0/16
    155.20.231.0/24               155.20.0.0/16
    155.20.252.0/24               155.20.0.0/16
    155.26.64.0/24                155.26.0.0/16
    160.140.252.0/22              160.140.0.0/16
    160.143.192.0/19              160.143.0.0/16
    160.143.224.0/19              160.143.0.0/16
    215.1.62.0/24                 215.0.0.0/8
    215.1.63.0/24                 215.0.0.0/8
    215.1.96.0/20                 215.0.0.0/8

Whois Entry

whois: 402591

IANA has recorded AS747 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS747\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:       747
             ASName:         DNIC-AS-00747
             ASHandle:       AS747
             RegDate:        1990-09-25
             Updated:        2011-08-02
             Ref:            https://rdap.arin.net/registry/autnum/747
             
             
             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
             
             
             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
             
             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
             
             
             #
             # 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.
             #