Report for 1493

Name

DNIC-ASBLK-01492-01493 - 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.

1493 DNIC-ASBLK-01492-01493 - Headquarters, USAISC, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS367           DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD), US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2017  AS1493         ORIGIN  Originate:     126464 /15.05  Transit:          0 /0.00  DNIC-ASBLK-01492-01493 - 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       %
15291 AS1493        DNIC-ASBLK-01492-01493 - Headquarters, USAISC     32      4      2     30      2   6.25%


  Prefix               AS Path                              Aggregation Suggestion
  143.69.16.0/21       4608 1221 4637 6461 3356 721 721 27064 367 1493   
  143.69.137.0/24      4777 2516 3356 721 721 27064 367 1493   
  143.69.138.0/23      4777 2497 3356 721 721 27064 367 1493 + Announce - aggregate of 143.69.138.0/24 (4777 2497 3356 721 721 27064 367 1493) and 143.69.139.0/24 (4777 2497 3356 721 721 27064 367 1493)
  143.69.138.0/24      4777 2497 3356 721 721 27064 367 1493 - Withdrawn - aggregated with 143.69.139.0/24 (4777 2497 3356 721 721 27064 367 1493)
  143.69.139.0/24      4777 2497 3356 721 721 27064 367 1493 - Withdrawn - aggregated with 143.69.138.0/24 (4777 2497 3356 721 721 27064 367 1493)
  143.69.140.0/23      4777 2497 3356 721 721 27064 367 1493 + Announce - aggregate of 143.69.140.0/24 (4777 2497 3356 721 721 27064 367 1493) and 143.69.141.0/24 (4777 2497 3356 721 721 27064 367 1493)
  143.69.140.0/24      4777 2497 3356 721 721 27064 367 1493 - Withdrawn - aggregated with 143.69.141.0/24 (4777 2497 3356 721 721 27064 367 1493)
  143.69.141.0/24      4777 2497 3356 721 721 27064 367 1493 - Withdrawn - aggregated with 143.69.140.0/24 (4777 2497 3356 721 721 27064 367 1493)
  143.69.142.0/24      4777 2516 3356 721 721 27064 367 1493   
  143.69.144.0/24      4777 2497 3356 721 721 27064 367 1493   
  143.69.147.0/24      4777 2497 3356 721 721 27064 367 1493   
  146.55.80.0/20       4777 2497 3356 721 721 27064 367 1493   
  146.55.192.0/18      4777 2497 3356 721 721 27064 367 1493   
  155.19.192.0/18      4777 2497 3356 721 721 27064 367 1493   
  155.26.176.0/20      4777 2497 3356 721 721 27064 367 1493   
  155.26.204.0/22      4777 2516 3356 721 721 27064 367 1493   
  155.26.208.0/20      4777 2516 3356 721 721 27064 367 1493   
  155.28.124.0/22      4777 2516 3356 721 721 27064 367 1493   
  155.28.160.0/19      4777 2497 3356 721 721 27064 367 1493   
  155.28.192.0/19      4777 2497 3356 721 721 27064 367 1493   
  155.28.232.0/21      4777 2497 3356 721 721 27064 367 1493   
  155.28.240.0/20      4777 2497 3356 721 721 27064 367 1493   
  155.29.224.0/21      4777 2497 3356 721 721 27064 367 1493   
  155.152.128.0/20     4777 2497 3356 721 721 27064 367 1493   
  155.152.144.0/22     4777 2516 3356 721 721 27064 367 1493 1493 1493 1493 1493 1493 1493 1493   
  155.152.148.0/22     4777 2497 3356 721 721 27064 367 1493   
  155.152.176.0/20     4777 2497 3356 721 721 27064 367 1493   
  155.213.64.0/18      4777 2497 3356 721 721 27064 367 1493   
  155.213.208.0/21     4777 2497 3356 721 721 27064 367 1493   
  158.13.160.0/19      4777 2497 3356 721 721 27064 367 1493   
  199.209.154.0/23     4777 2497 3356 721 721 27064 367 1493   
  199.209.156.0/22     4777 2497 3356 721 721 27064 367 1493   
  199.209.160.0/19     4777 2497 3356 721 721 27064 367 1493   
  199.209.192.0/20     4777 2497 3356 721 721 27064 367 1493   

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

AS1493   32 More Specifics   32 Total Advertisements   DNIC-ASBLK-01492-01493 - Headquarters, USAISC, US
    143.69.16.0/21                143.69.0.0/16
    143.69.137.0/24               143.69.0.0/16
    143.69.138.0/24               143.69.0.0/16
    143.69.139.0/24               143.69.0.0/16
    143.69.140.0/24               143.69.0.0/16
    143.69.141.0/24               143.69.0.0/16
    143.69.142.0/24               143.69.0.0/16
    143.69.144.0/24               143.69.0.0/16
    143.69.147.0/24               143.69.0.0/16
    146.55.80.0/20                146.55.0.0/16
    146.55.192.0/18               146.55.0.0/16
    155.19.192.0/18               155.19.0.0/16
    155.26.176.0/20               155.26.0.0/16
    155.26.204.0/22               155.26.0.0/16
    155.26.208.0/20               155.26.0.0/16
    155.28.124.0/22               155.28.0.0/16
    155.28.160.0/19               155.28.0.0/16
    155.28.192.0/19               155.28.0.0/16
    155.28.232.0/21               155.28.0.0/16
    155.28.240.0/20               155.28.0.0/16
    155.29.224.0/21               155.29.0.0/16
    155.152.128.0/20              155.152.0.0/16
    155.152.144.0/22              155.152.0.0/16
    155.152.148.0/22              155.152.0.0/16
    155.152.176.0/20              155.152.0.0/16
    155.213.64.0/18               155.213.0.0/16
    155.213.208.0/21              155.213.0.0/16
    158.13.160.0/19               158.13.0.0/16
    199.209.154.0/23              199.208.0.0/14
    199.209.156.0/22              199.208.0.0/14
    199.209.160.0/19              199.208.0.0/14
    199.209.192.0/20              199.208.0.0/14
    155.28.228.0/22               155.28.0.0/16

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 155.28.228.0/22             Withdrawn

Whois Entry

whois: 402591

IANA has recorded AS1493 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS1493\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:       1492 - 1493
             ASName:         DNIC-ASBLK-01492-01493
             ASHandle:       AS1492
             RegDate:        2004-05-12
             Updated:        2011-08-05
             Ref:            https://rdap.arin.net/registry/autnum/1492
             
             
             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.
             #