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Data as of Nov 5, 2026

198.97.72.0/21

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
198.97.73.0/24
since May 2005
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
198.97.79.0/24
since May 2005
AS84BusinessUnited States Department of Defense (DoD)
via Navy Network Information Center (NNIC)

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
198.97.72.0/24256NAWCADNETunknown———
└ 198.97.72.0/24256NAWCADNETNavy Network Information Center (NNIC) (NNICN-1) · USAllocationAug 15, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.73.0/24256DNIC-RNET-198-097-073United States Department of Defense (DoD) (USDDD) · USDirect AllocationApr 2, 1993disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 198.97.73.0/24256DNIC-RNET-198-097-073DoD Network Information Center (DNIC) · USReallocatedSep 11, 2025disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
198.97.74.0/24256DAASNET4unknown———
└ 198.97.74.0/24256DAASNET4DoD Network Information Center (DNIC) · USAllocationSep 11, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.75.0/24256DNIC-RNET-198-097-075unknown———
└ 198.97.75.0/24256DNIC-RNET-198-097-075DoD Network Information Center (DNIC) · USAllocationSep 11, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.76.0/24256DAASNET6unknown———
└ 198.97.76.0/24256DAASNET6DoD Network Information Center (DNIC) · USAllocationSep 11, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.77.0/24256DNIC-198-97-77unknown———
└ 198.97.77.0/24256DNIC-198-97-77DoD Network Information Center (DNIC) · USAllocationSep 11, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.78.0/24256ANSOC-RNET028unknown———
└ 198.97.78.0/24256ANSOC-RNET028Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
198.97.79.0/24256NSWC-ATMTUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationApr 8, 1993disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 198.97.79.0/24256NSWC-ATMTNavy Network Information Center (NNIC) (NNICN-1) · USReallocatedAug 15, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil

Network & registry

AnnouncementRouting historyWhois & 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