Report for 1582

Name

DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), 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 AS4637) 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.

1582 DNIC - DoD Network Information Center

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS1913    DISA-ASNBLK - DoD Network Information Center

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2040  AS1582   ORIGIN  Originate:      71680 /15.87  Transit:          0 /0.00  DNIC - DoD Network Information Center

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       %
 3485 AS1582  DNIC - DoD Network Information Center         7      3      1      5      2  28.57%


  Prefix               AS Path                              Aggregation Suggestion
  139.139.192.0/20     4637 3549 1913 1913 1582   
  139.139.200.0/22     4637 3549 1913 1913 1582 - Withdrawn - matching aggregate 139.139.192.0/20 4637 3549 1913 1913 1582
  144.170.0.0/16       4637 3549 1913 1913 1582   
  204.37.190.0/23      4637 3549 1913 1913 1582 + Announce - aggregate of 204.37.190.0/24 (4637 3549 1913 1913 1582) and 204.37.191.0/24 (4637 3549 1913 1913 1582)
  204.37.190.0/24      4637 3549 1913 1913 1582 - Withdrawn - aggregated with 204.37.191.0/24 (4637 3549 1913 1913 1582)
  204.37.191.0/24      4637 3549 1913 1913 1582 - Withdrawn - aggregated with 204.37.190.0/24 (4637 3549 1913 1913 1582)
  204.37.192.0/24      4637 3549 1913 1913 1582   
  215.65.28.0/24       4637 3549 1913 1913 1582   

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

AS1582   6 More Specifics   7 Total Advertisements   DNIC - DoD Network Information Center
    139.139.192.0/20              139.139.0.0/16
    139.139.200.0/22              139.139.0.0/16
    204.37.190.0/24               204.34.0.0/14
    204.37.191.0/24               204.34.0.0/14
    204.37.192.0/24               204.34.0.0/14
    215.65.28.0/24                215.0.0.0/8

Whois Entry

whois: 402603

IANA has recorded AS1582 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS1582\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:       1550 - 1601
             ASName:         DNIC-ASBLK-01550-01601
             ASHandle:       AS1550
             RegDate:        2006-04-03
             Updated:        2025-09-12
             Ref:            https://rdap.arin.net/registry/autnum/1550
             
             
             
             OrgName:        United States Department of Defense (DoD)
             OrgId:          USDDD
             Address:        3990 E. Broad Street
             City:           Columbus
             StateProv:      OH
             PostalCode:     43218
             Country:        US
             RegDate:        2007-01-12
             Updated:        2025-03-13
             Ref:            https://rdap.arin.net/registry/entity/USDDD
             
             
             OrgNOCHandle: MIL-HSTMST-ARIN
             OrgNOCName:   Network DoD
             OrgNOCPhone:  +1-844-347-2457 
             OrgNOCEmail:  disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
             OrgNOCRef:    https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN
             
             OrgTechHandle: MIL-HSTMST-ARIN
             OrgTechName:   Network DoD
             OrgTechPhone:  +1-844-347-2457 
             OrgTechEmail:  disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
             OrgTechRef:    https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN
             
             OrgAbuseHandle: MIL-HSTMST-ARIN
             OrgAbuseName:   Network DoD
             OrgAbusePhone:  +1-844-347-2457 
             OrgAbuseEmail:  disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MIL-HSTMST-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.
             #