LAYER3 INTEL
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Data as of Nov 6, 2026

138.178.0.0/16

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
AS721
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeRPKI
138.178.0.0/15
since Dec 2010
AS721Business

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
138.178.0.0/1665,536REGIONAL-ROT1United States Department of Defense (DoD) (USDDD) · USDirect AllocationMay 7, 1990disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 138.178.0.0/1665,536REGIONAL-ROT1Navy Network Information Center (NNIC) (NNICN-1) · USReallocatedAug 14, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil

Network & registry

AnnouncementRouting historyWhois & abuse
Registry

Holder

Organization
United States Department of Defense (DoD)
Handle
USDDD
Range
138.178.0.0/16
Registration type
Direct Allocation
Record created
May 7, 1990
Legacy
yes
Reallocated to
Navy Network Information Center (NNIC) (NNICN-1)
Reallocated
Aug 14, 2025
Origin network

AS721

US
Name
United States Department of Defense (DoD)
Type
Business
Domain
mail.mil
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed