Report for 15147

Name

DHSINETNOC - DEPARTMENT OF HOMELAND SECURITY, 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 AS6447) 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.

15147 DHSINETNOC, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS13335         CLOUDFLARENET, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8995  AS15147        ORIGIN  Originate:      12800 /18.36  Transit:          0 /0.00  DHSINETNOC, 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       %
12334 AS15147       DHSINETNOC, US                                     7      6      3      4      3  42.86%


  Prefix               AS Path                              Aggregation Suggestion
  64.69.48.0/20        57866 13335 15147      
  161.214.182.0/23     7018 13335 15147     + Announce - aggregate of 161.214.182.0/24 (7018 13335 15147) and 161.214.183.0/24 (7018 13335 15147)
  161.214.182.0/24     7018 13335 15147     - Withdrawn - aggregated with 161.214.183.0/24 (7018 13335 15147)
  161.214.183.0/24     7018 13335 15147     - Withdrawn - aggregated with 161.214.182.0/24 (7018 13335 15147)
  173.255.48.0/20      57866 13335 15147    + Announce - aggregate of 173.255.48.0/21 (57866 13335 15147) and 173.255.56.0/21 (57866 13335 15147)
  173.255.48.0/21      57866 13335 15147    - Withdrawn - aggregated with 173.255.56.0/21 (57866 13335 15147)
  173.255.56.0/21      57866 13335 15147    - Withdrawn - aggregated with 173.255.48.0/21 (57866 13335 15147)
  216.81.80.0/20       57866 13335 15147    + Announce - aggregate of 216.81.80.0/21 (57866 13335 15147) and 216.81.88.0/21 (57866 13335 15147)
  216.81.80.0/21       57866 13335 15147    - Withdrawn - aggregated with 216.81.88.0/21 (57866 13335 15147)
  216.81.88.0/21       57866 13335 15147    - Withdrawn - aggregated with 216.81.80.0/21 (57866 13335 15147)

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

AS15147   9 More Specifics   9 Total Advertisements   DHSINETNOC, US
    64.69.48.0/21                 64.69.48.0/20
    64.69.56.0/24                 64.69.48.0/20
    64.69.58.0/23                 64.69.48.0/20
    64.69.60.0/22                 64.69.48.0/20
    173.255.48.0/21               173.255.48.0/20
    173.255.55.0/24               173.255.48.0/20
    173.255.56.0/21               173.255.48.0/20
    216.81.80.0/21                216.81.80.0/20
    216.81.88.0/21                216.81.80.0/20
    161.214.182.0/24              161.214.0.0/16
    161.214.183.0/24              161.214.0.0/16

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

    + 173.255.55.0/24             Announced
    - 161.214.182.0/24            Withdrawn
    - 161.214.183.0/24            Withdrawn

Whois Entry

whois: 402590

IANA has recorded AS15147 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS15147\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:       15147
             ASName:         DHSINETNOC
             ASHandle:       AS15147
             RegDate:        2006-11-03
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/15147
             
             
             OrgName:        DEPARTMENT OF HOMELAND SECURITY
             OrgId:          DHS-37
             Address:        Department of Homeland Security
             Address:        245 Murray Lane, SW
             City:           Washington
             StateProv:      DC
             PostalCode:     20528
             Country:        US
             RegDate:        2005-12-05
             Updated:        2026-05-13
             Ref:            https://rdap.arin.net/registry/entity/DHS-37
             
             
             OrgNOCHandle: DHSNO2-ARIN
             OrgNOCName:   DHS-NOC
             OrgNOCPhone:  +1-877-347-1638 
             OrgNOCEmail:  DHSNOSCInfrastructureNetworkManagementTools@hq.dhs.gov
             OrgNOCRef:    https://rdap.arin.net/registry/entity/DHSNO2-ARIN
             
             OrgTechHandle: DHSNO2-ARIN
             OrgTechName:   DHS-NOC
             OrgTechPhone:  +1-877-347-1638 
             OrgTechEmail:  DHSNOSCInfrastructureNetworkManagementTools@hq.dhs.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/DHSNO2-ARIN
             
             OrgAbuseHandle: DHSNO2-ARIN
             OrgAbuseName:   DHS-NOC
             OrgAbusePhone:  +1-877-347-1638 
             OrgAbuseEmail:  DHSNOSCInfrastructureNetworkManagementTools@hq.dhs.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DHSNO2-ARIN
             
             RNOCHandle: DHSNO1-ARIN
             RNOCName:   DHS NOC
             RNOCPhone:  +1-877-347-1638 
             RNOCEmail:  DHS.NOC@dhs.gov
             RNOCRef:    https://rdap.arin.net/registry/entity/DHSNO1-ARIN
             
             RAbuseHandle: DIA9-ARIN
             RAbuseName:   DHS IPv6 ADMINISTRATION
             RAbusePhone:  +1-703-921-7595 
             RAbuseEmail:  DHS.IPv6.ADMIN@dhs.gov
             RAbuseRef:    https://rdap.arin.net/registry/entity/DIA9-ARIN
             
             RTechHandle: DIA9-ARIN
             RTechName:   DHS IPv6 ADMINISTRATION
             RTechPhone:  +1-703-921-7595 
             RTechEmail:  DHS.IPv6.ADMIN@dhs.gov
             RTechRef:    https://rdap.arin.net/registry/entity/DIA9-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.
             #