LAYER3 INTEL
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Data as of Nov 6, 2026

199.122.54.0/23

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
AS749
Type
Business
Risk
0 / 100 · Low

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
199.122.32.0/198,192DNOC-CUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationMar 9, 1994disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 199.122.32.0/198,192DNOC-CHeadquarters, USAISC (HEADQU-3) · USReallocatedAug 20, 2025—
└ 199.122.54.0/23512DVISCHDoD Network Information Center (DNIC) · USReassignedAug 20, 2025disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil

Network & registry

AnnouncementRouting historyWhois & abuse
Registry

Holder

Organization
United States Department of Defense (DoD)
Handle
USDDD
Range
199.122.32.0/19
Registration type
Direct Allocation
Record created
Mar 9, 1994
Legacy
yes
Reallocated to
Headquarters, USAISC (HEADQU-3)
Reallocated
Aug 20, 2025
Origin network

AS749

US
Name
United States Department of Defense (DoD)
Type
Business
Domain
mail.mil
Industry
Military, Defense, National Security, and International Affairs
Spamhaus ASN-DROP
not listed