LAYER3 INTEL
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Data as of Nov 3, 2026

199.31.136.0/23

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
AS27065
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin May 2026
from AS5180 United States Department of Defense (DoD)

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
199.31.128.0/17
since Sep 2021
AS749BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center

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
199.31.0.0/1665,536DNIC-NET-199-031United States Department of Defense (DoD) (USDDD) · USDirect AllocationNov 29, 1994[email protected]
└ 199.31.0.0/1665,536DNIC-NET-199-031DoD Network Information Center (DNIC) · USReallocatedSep 5, 2025[email protected]

Network & registry

AnnouncementRouting historyWhois & abuse
Registry

Holder

Organization
United States Department of Defense (DoD)
Handle
USDDD
Range
199.31.0.0/16
Registration type
Direct Allocation
Record created
Nov 29, 1994
Legacy
yes
Reallocated to
DoD Network Information Center (DNIC)
Reallocated
Sep 5, 2025
Origin network

AS27065

US
Name
United States Department of Defense (DoD)
Type
Business
Registered
Jan 16, 2003
Domain
mail.mil
Industry
Military, Defense, National Security, and International Affairs
Spamhaus ASN-DROP
not listed