
1554 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
Adjacency: 13 Upstream: 1 Downstream: 12
Upstream Adjacent AS list
AS367 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD), US
Downstream Adjacent AS list
AS1551 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
AS1556 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
AS1562 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
AS1563 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
AS1561 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
AS1559 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
AS1580 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
AS1567 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
AS1585 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
AS1565 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
AS1568 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
AS1555 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 907 AS1554 ORG+TRN Originate: 324096 /13.69 Transit: 744704 /12.49 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), 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 % 8198 AS1554 DNIC-ASBLK-01550-01601 - United States Depart 23 7 2 18 5 21.74% Prefix AS Path Aggregation Suggestion 6.64.1.0/24 4608 7575 3356 721 721 27065 367 1554 6.126.0.0/15 4608 7575 3356 721 721 27065 367 1554 136.207.128.0/17 4608 7575 3356 721 721 27065 367 1554 136.210.0.0/17 4608 7575 3356 721 721 27065 367 1554 136.210.128.0/18 4608 7575 3356 721 721 27065 367 1554 136.210.192.0/19 4608 7575 3356 721 721 27065 367 1554 136.210.240.0/21 4608 7575 3356 721 721 27065 367 1554 136.210.248.0/24 4608 7575 3356 721 721 27065 367 1554 136.210.250.0/23 4608 7575 3356 721 721 27065 367 1554 136.210.252.0/22 4608 7575 3356 721 721 27065 367 1554 136.215.128.0/17 4608 7575 3356 721 721 27065 367 1554 136.215.192.0/18 4777 2497 3356 721 721 27065 367 1554 155.155.16.0/20 4608 7575 3356 721 721 27065 367 1554 155.155.48.0/20 4608 7575 3356 721 721 27065 367 1554 155.155.64.0/18 4608 7575 3356 721 721 27065 367 1554 + Announce - aggregate of 155.155.64.0/19 (4608 7575 3356 721 721 27065 367 1554) and 155.155.96.0/19 (4608 7575 3356 721 721 27065 367 1554) 155.155.64.0/19 4608 7575 3356 721 721 27065 367 1554 - Withdrawn - aggregated with 155.155.96.0/19 (4608 7575 3356 721 721 27065 367 1554) 155.155.80.0/20 4608 7575 3356 721 721 27065 367 1554 - Withdrawn - matching aggregate 155.155.64.0/19 4608 7575 3356 721 721 27065 367 1554 155.155.91.0/24 4608 7575 3356 721 721 27065 367 1554 - Withdrawn - matching aggregate 155.155.64.0/19 4608 7575 3356 721 721 27065 367 1554 155.155.96.0/19 4608 7575 3356 721 721 27065 367 1554 - Withdrawn - aggregated with 155.155.64.0/19 (4608 7575 3356 721 721 27065 367 1554) 155.155.112.0/20 4608 7575 3356 721 721 27065 367 1554 - Withdrawn - matching aggregate 155.155.96.0/19 4608 7575 3356 721 721 27065 367 1554 155.155.128.0/19 4608 7575 3356 721 721 27065 367 1554 155.155.224.0/19 4608 7575 3356 721 721 27065 367 1554 + Announce - aggregate of 155.155.224.0/20 (4608 7575 3356 721 721 27065 367 1554) and 155.155.240.0/20 (4608 7575 3356 721 721 27065 367 1554) 155.155.224.0/20 4608 7575 3356 721 721 27065 367 1554 - Withdrawn - aggregated with 155.155.240.0/20 (4608 7575 3356 721 721 27065 367 1554) 155.155.240.0/20 4608 7575 3356 721 721 27065 367 1554 - Withdrawn - aggregated with 155.155.224.0/20 (4608 7575 3356 721 721 27065 367 1554) 206.39.28.0/24 4608 7575 3356 721 721 27065 367 1554
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS1554 23 More Specifics 23 Total Advertisements DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD), US
6.64.1.0/24 6.0.0.0/8
6.126.0.0/15 6.0.0.0/8
136.207.128.0/17 136.207.0.0/16
136.210.0.0/17 136.210.0.0/16
136.210.128.0/18 136.210.0.0/16
136.210.192.0/19 136.210.0.0/16
136.210.240.0/21 136.210.0.0/16
136.210.248.0/24 136.210.0.0/16
136.210.250.0/23 136.210.0.0/16
136.210.252.0/22 136.210.0.0/16
136.215.128.0/17 136.215.0.0/16
136.215.192.0/18 136.215.0.0/16
155.155.16.0/20 155.155.0.0/16
155.155.48.0/20 155.155.0.0/16
155.155.64.0/19 155.155.0.0/16
155.155.80.0/20 155.155.0.0/16
155.155.91.0/24 155.155.0.0/16
155.155.96.0/19 155.155.0.0/16
155.155.112.0/20 155.155.0.0/16
155.155.128.0/19 155.155.0.0/16
155.155.224.0/20 155.155.0.0/16
155.155.240.0/20 155.155.0.0/16
206.39.28.0/24 206.36.0.0/14
whois: 402591
IANA has recorded AS1554 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS1554\n
#
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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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
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# 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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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