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Data as of Nov 8, 2026

198.97.128.0/18

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
AS721
Type
Business

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
198.97.138.0/24
since May 2008
AS190BusinessUnited States Department of Defense (DoD)
via Navy Network Information Center (NNIC)
198.97.146.0/23
since Jan 2006
AS5180BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
198.97.167.0/24
since Sep 2016
AS5972BusinessUnited States Department of Defense (DoD)
via Navy Network Information Center (NNIC)
198.97.180.0/24
since Jan 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
198.97.189.0/24
since Oct 16, 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
198.97.190.0/24
since Jun 2016
AS1508BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
198.97.128.0/24256DNIC-RNET-198-097-128unknown———
└ 198.97.128.0/24256DNIC-RNET-198-097-128DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.129.0/24256DNIC-RNET-198-097-129unknown———
└ 198.97.129.0/24256DNIC-RNET-198-097-129DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.130.0/24256DNIC-RNET-198-097-130unknown———
└ 198.97.130.0/24256DNIC-RNET-198-097-130DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.131.0/24256DNIC-RNET-198-097-131unknown———
└ 198.97.131.0/24256DNIC-RNET-198-097-131DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.132.0/24256FTS-NET497unknown———
└ 198.97.132.0/24256FTS-NET497Air Force Systems Networking (7ESG) · USAllocationAug 20, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.133.0/24256DMSSCEunknown———
└ 198.97.133.0/24256DMSSCEHeadquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.134.0/24256TEO-NETunknown———
└ 198.97.134.0/24256TEO-NETDoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.135.0/24256DNIC-RNET-198-097-135unknown———
└ 198.97.135.0/24256DNIC-RNET-198-097-135DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.136.0/24256DNIC-RNET-198-097-136unknown———
└ 198.97.136.0/24256DNIC-RNET-198-097-136DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.137.0/24256DNIC-RNET-198-097-137unknown———
└ 198.97.137.0/24256DNIC-RNET-198-097-137DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.138.0/24256SUBMEPP-NET3United States Department of Defense (DoD) (USDDD) · USDirect AllocationJun 16, 1993disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 198.97.138.0/24256SUBMEPP-NET3Navy Network Information Center (NNIC) (NNICN-1) · USReallocatedAug 15, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.139.0/24256GSIWHunknown———
└ 198.97.139.0/24256GSIWHDoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.140.0/24256DNIC-RNET-198-097-140unknown———
└ 198.97.140.0/24256DNIC-RNET-198-097-140DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.141.0/24256DNIC-RNET-198-097-141unknown———
└ 198.97.141.0/24256DNIC-RNET-198-097-141DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.142.0/24256AFRMS16unknown———
└ 198.97.142.0/24256AFRMS16Air Force Systems Networking (7ESG) · USAllocationAug 20, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.143.0/24256GTE-PACGeneral Dynamics Mission Systems, Inc. (GDAIS-4-Z) · USDirect AllocationJun 30, 1993dnsmon@gd-ms.com
198.97.144.0/24256GTE-JAPANGeneral Dynamics Mission Systems, Inc. (GDAIS-4-Z) · USDirect AllocationJun 30, 1993dnsmon@gd-ms.com
198.97.145.0/24256GTE-KOREAGeneral Dynamics Mission Systems, Inc. (GDAIS-4-Z) · USDirect AllocationJun 30, 1993dnsmon@gd-ms.com
198.97.146.0/23512NETBLK-DFAS-FSAPEUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationMay 28, 1996disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 198.97.146.0/23512NETBLK-DFAS-FSAPEDoD Network Information Center (DNIC) · USReallocatedSep 8, 2025disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
198.97.148.0/24256SSFPAC-SASEBOunknown———
└ 198.97.148.0/24256SSFPAC-SASEBONavy Network Information Center (NNIC) (NNICN-1) · USAllocationAug 15, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.149.0/24256DNIC-RNET-198-097-149unknown———
└ 198.97.149.0/24256DNIC-RNET-198-097-149DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.150.0/24256DNIC-SP-198-097-150unknown———
└ 198.97.150.0/24256DNIC-SP-198-097-150DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.151.0/24256HIC-NETunknown———
└ 198.97.151.0/24256HIC-NETNavy Network Information Center (NNIC) (NNICN-1) · USAllocationAug 15, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.152.0/24256DNIC-RNET-198-097-152unknown———
└ 198.97.152.0/24256DNIC-RNET-198-097-152DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.153.0/24256GUAMNETunknown———
└ 198.97.153.0/24256GUAMNETDoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.154.0/24256DNIC-RNET-198-97-154unknown———
└ 198.97.154.0/24256DNIC-RNET-198-97-154DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.155.0/24256NISEW-JAPANunknown———
└ 198.97.155.0/24256NISEW-JAPANNavy Network Information Center (NNIC) (NNICN-1) · USAllocationAug 15, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.156.0/24256DNIC-RNET-198-097-156unknown———
└ 198.97.156.0/24256DNIC-RNET-198-097-156DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.157.0/24256UIINET2Unified Industries, Inc. (UNIFIE) · USDirect AllocationJul 28, 1993rcb@spsup-1.navy.mil
198.97.158.0/24256DNIC-RNET-198-097-158unknown———
└ 198.97.158.0/24256DNIC-RNET-198-097-158DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.159.0/24256DNIC-RNET-198-097-159unknown———
└ 198.97.159.0/24256DNIC-RNET-198-097-159DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.160.0/24256DNIC-RNET-198-097-160unknown———
└ 198.97.160.0/24256DNIC-RNET-198-097-160DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.161.0/24256DNIC-RNET-198-097-161unknown———
└ 198.97.161.0/24256DNIC-RNET-198-097-161DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.162.0/24256DNIC-RNET-198-097-162unknown———
└ 198.97.162.0/24256DNIC-RNET-198-097-162DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.163.0/24256DNIC-RNET-198-097-163unknown———
└ 198.97.163.0/24256DNIC-RNET-198-097-163DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.164.0/24256DNIC-RNET-198-097-164unknown———
└ 198.97.164.0/24256DNIC-RNET-198-097-164DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.165.0/24256DNIC-RNET-198-097-165unknown———
└ 198.97.165.0/24256DNIC-RNET-198-097-165DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.166.0/24256DNIC-RNET-198-097-166unknown———
└ 198.97.166.0/24256DNIC-RNET-198-097-166DoD Network Information Center (DNIC) · USAllocationSep 10, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.167.0/24256ADAKNETUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationSep 21, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 198.97.167.0/24256ADAKNETNavy Network Information Center (NNIC) (NNICN-1) · USReallocatedAug 15, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.168.0/24256NG-VA-BDEInstitute for Defense Analyses (IDA-2-Z) · USDirect AllocationAug 11, 1993cmurphy@ida.org
198.97.169.0/24256NG-VA-BDEPPPInstitute for Defense Analyses (IDA-2-Z) · USDirect AllocationAug 11, 1993cmurphy@ida.org
198.97.170.0/24256NG-VA-BNInstitute for Defense Analyses (IDA-2-Z) · USDirect AllocationAug 11, 1993cmurphy@ida.org
198.97.171.0/24256NG-VA-BN-PPPInstitute for Defense Analyses (IDA-2-Z) · USDirect AllocationAug 11, 1993cmurphy@ida.org
198.97.172.0/24256NG-GA-BDEInstitute for Defense Analyses (IDA-2-Z) · USDirect AllocationAug 12, 1993cmurphy@ida.org
198.97.173.0/24256NG-GA-BDEPPPInstitute for Defense Analyses (IDA-2-Z) · USDirect AllocationAug 13, 1993cmurphy@ida.org
198.97.174.0/24256NG-GA-BNPPPInstitute for Defense Analyses (IDA-2-Z) · USDirect AllocationAug 13, 1993cmurphy@ida.org
198.97.175.0/24256NG-GA-BNInstitute for Defense Analyses (IDA-2-Z) · USDirect AllocationAug 13, 1993cmurphy@ida.org
198.97.176.0/24256NG-ID-BNPPPInstitute for Defense Analyses (IDA-2-Z) · USDirect AllocationAug 13, 1993cmurphy@ida.org
198.97.177.0/24256NGUARD-PPPInstitute for Defense Analyses (IDA-2-Z) · USDirect AllocationAug 13, 1993cmurphy@ida.org
198.97.178.0/24256NG-ID-BDEInstitute for Defense Analyses (IDA-2-Z) · USDirect AllocationAug 13, 1993cmurphy@ida.org
198.97.179.0/24256NG-ID-BNInstitute for Defense Analyses (IDA-2-Z) · USDirect AllocationAug 13, 1993cmurphy@ida.org

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Not stated by the registry
Origin network

AS721

US
Name
United States Department of Defense (DoD)
Type
Business
Domain
mail.mil
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed