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Data as of Nov 4, 2026

140.16.138.0/24

No anonymizer space · no proxy exits in 30 days

Headquarters, USAISC · space held by United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
AS1540
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin May 2026
from AS5852 United States Department of Defense (DoD), after 3.3 years unannounced

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
140.16.136.0/21
since Oct 2021
AS5852BusinessUnited 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
140.16.0.0/1665,536DNIC-140-016United States Department of Defense (DoD) (USDDD) · USDirect AllocationApr 8, 1990disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 140.16.0.0/1665,536DNIC-140-016DoD Network Information Center (DNIC) · USReallocatedSep 2, 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
140.16.0.0/16
Registration type
Direct Allocation
Record created
Apr 8, 1990
Legacy
yes
Reallocated to
DoD Network Information Center (DNIC)
Reallocated
Sep 2, 2025
Origin network

AS1540

US
Name
Headquarters, USAISC
Type
Business
Registered
May 12, 2004
Domain
mail.mil
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed