Data as of Nov 4, 2026

131.92.184.0/21

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
Type
Business

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
131.92.184.0/23
since May 2025
AS668BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
131.92.186.0/24
since Oct 2025
AS668BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
131.92.188.0/22
since Aug 2026
AS252BusinessUnited 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
131.92.0.0/1665,536CONUS-DRENUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationNov 1, 1988disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 131.92.0.0/1665,536CONUS-DRENHeadquarters, USAISC (HEADQU-3) · USReallocatedAug 20, 2025—

Network & registry

Registry

Holder

Organization
United States Department of Defense (DoD)
Handle
USDDD
Range
131.92.0.0/16
Registration type
Direct Allocation
Record created
Nov 1, 1988
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