Data as of Nov 3, 2026

155.30.138.0/24

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
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jun 2026
from AS5953 United States Department of Defense (DoD), after 11.3 years unannounced

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
155.30.0.0/1665,536PM-WIN-T-NET17United States Department of Defense (DoD) (USDDD) · USDirect AllocationOct 29, 1991[email protected]
└ 155.30.0.0/1665,536PM-WIN-T-NET17Headquarters, USAISC (HEADQU-3) · USReallocatedAug 23, 2025—

Network & registry

Registry

Holder

Organization
United States Department of Defense (DoD)
Handle
USDDD
Range
155.30.0.0/16
Registration type
Direct Allocation
Record created
Oct 29, 1991
Legacy
yes
Reallocated to
Headquarters, USAISC (HEADQU-3)
Reallocated
Aug 23, 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