LAYER3 INTEL
Get started
Sign in
Data as of Nov 7, 2026

199.123.80.0/21

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
199.123.82.0/24
since Jul 2025
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
199.123.84.0/24
since Jul 2025
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
199.123.85.0/24
since May 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
199.123.86.0/23
since Jun 2018
AS668Business

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
199.123.80.0/24256USAAA-NET-2unknown———
└ 199.123.80.0/24256USAAA-NET-2Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
199.123.81.0/24256USAAA-NET-3unknown———
└ 199.123.81.0/24256USAAA-NET-3Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
199.123.82.0/24256USAAA-NET-4United States Department of Defense (DoD) (USDDD) · USDirect AllocationMar 2, 1995disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 199.123.82.0/24256USAAA-NET-4Headquarters, USAISC (HEADQU-3) · USReallocatedAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
199.123.83.0/24256USAAA-NET-5unknown———
└ 199.123.83.0/24256USAAA-NET-5Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
199.123.84.0/24256APCCTNOSCUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationMar 27, 1995disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 199.123.84.0/24256APCCTNOSCHeadquarters, USAISC (HEADQU-3) · USReallocatedAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
199.123.85.0/24256ANSOC-RNET034United States Department of Defense (DoD) (USDDD) · USDirect AllocationApr 12, 1995disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 199.123.85.0/24256ANSOC-RNET034Headquarters, USAISC (HEADQU-3) · USReallocatedAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
199.123.86.0/24256TECHNETunknown———
└ 199.123.86.0/24256TECHNETHeadquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
199.123.87.0/24256TECHNET2unknown———
└ 199.123.87.0/24256TECHNET2Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 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