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Data as of Nov 3, 2026

131.92.188.0/22

No anonymizer space · no proxy exits in 30 days

Headquarters, USAISC · reallocated from United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
AS252
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Aug 2026
its first announcement on record

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
131.92.184.0/21
since Sep 2021
AS749BusinessUnited 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, 1988[email protected]
└ 131.92.0.0/1665,536CONUS-DRENHeadquarters, USAISC (HEADQU-3) · USReallocatedAug 20, 2025—

Network & registry

AnnouncementRouting historyWhois & abuse
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

AS252

US
Name
Headquarters, USAISC
Type
Business
Registered
Nov 2, 1988
Domain
mail.mil
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed