
5974 DNIC-ASBLK-05800-06055, US
Adjacency: 3 Upstream: 1 Downstream: 2
Upstream Adjacent AS list
AS27064 DNIC-ASBLK-27032-27159, US
Downstream Adjacent AS list
AS27153 DNIC-ASBLK-27032-27159, US
AS345 DNIC-ASBLK-00306-00371, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2443 AS5974 ORG+TRN Originate: 93952 /15.48 Transit: 512 /23.00 DNIC-ASBLK-05800-06055, 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 % 9796 AS5974 DNIC-ASBLK-05800-06055, US 17 5 1 13 4 23.53% Prefix AS Path Aggregation Suggestion 131.77.0.0/16 6939 3356 721 721 27064 5974 131.77.104.0/24 6939 3356 721 721 27064 5974 - Withdrawn - matching aggregate 131.77.0.0/16 6939 3356 721 721 27064 5974 156.112.88.0/22 6939 3356 721 721 27064 5974 + Announce - aggregate of 156.112.88.0/23 (6939 3356 721 721 27064 5974) and 156.112.90.0/23 (6939 3356 721 721 27064 5974) 156.112.88.0/24 6939 3356 721 721 27064 5974 - Withdrawn - aggregated with 156.112.89.0/24 (6939 3356 721 721 27064 5974) 156.112.89.0/24 6939 3356 721 721 27064 5974 - Withdrawn - aggregated with 156.112.88.0/24 (6939 3356 721 721 27064 5974) 156.112.90.0/24 6939 3356 721 721 27064 5974 - Withdrawn - aggregated with 156.112.91.0/24 (6939 3356 721 721 27064 5974) 156.112.91.0/24 6939 3356 721 721 27064 5974 - Withdrawn - aggregated with 156.112.90.0/24 (6939 3356 721 721 27064 5974) 156.112.92.0/24 6939 3356 721 721 27064 5974 156.112.94.0/24 6939 3356 721 721 27064 5974 156.112.95.0/24 6939 3356 721 721 27064 5974 5974 5974 5974 209.22.236.0/24 6939 3356 721 721 27064 5974 214.23.232.0/24 6939 3356 721 721 27064 5974 214.24.243.0/24 6939 3356 721 721 27064 5974 214.38.232.0/24 6939 3356 721 721 27064 5974 214.38.236.0/24 6939 3356 721 721 27064 5974 214.49.128.0/18 6939 3356 721 721 27064 5974 214.66.160.0/19 6939 3356 721 721 27064 5974 214.66.182.0/23 3257 3356 721 721 27064 5974
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS5974 14 More Specifics 15 Total Advertisements DNIC-ASBLK-05800-06055, US
156.112.88.0/24 156.112.0.0/15
156.112.89.0/24 156.112.0.0/15
156.112.90.0/24 156.112.0.0/15
156.112.91.0/24 156.112.0.0/15
156.112.92.0/24 156.112.0.0/15
156.112.94.0/24 156.112.0.0/15
156.112.95.0/24 156.112.0.0/15
209.22.236.0/24 209.22.0.0/16
214.23.232.0/24 214.0.0.0/8
214.24.243.0/24 214.0.0.0/8
214.38.232.0/24 214.0.0.0/8
214.38.236.0/24 214.0.0.0/8
214.49.128.0/18 214.0.0.0/8
214.66.160.0/19 214.0.0.0/8
whois: 402590
IANA has recorded AS5974 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS5974\n
#
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# available at: https://www.arin.net/resources/registry/whois/tou/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 5800 - 6055
ASName: DNIC-ASBLK-05800-06055
ASHandle: AS5800
RegDate: 1995-10-24
Updated: 2025-09-12
Ref: https://rdap.arin.net/registry/autnum/5800
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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