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Data as of Nov 3, 2026

136.217.159.0/24

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
AS1540
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Oct 21, 2026
from AS367 United States Department of Defense (DoD)

Announcements

Less specific

Covering announcements

PrefixOriginTypeRPKI
136.216.0.0/14
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
136.217.0.0/1665,536USAREUR9United States Department of Defense (DoD) (USDDD) · USDirect AllocationNov 4, 1993[email protected]
└ 136.217.0.0/1665,536USAREUR9Headquarters, USAISC (HEADQU-3) · USReallocatedAug 21, 2025[email protected]

Network & registry

AnnouncementRouting historyWhois & abuse
Registry

Holder

Organization
United States Department of Defense (DoD)
Handle
USDDD
Range
136.217.0.0/16
Registration type
Direct Allocation
Record created
Nov 4, 1993
Legacy
yes
Reallocated to
Headquarters, USAISC (HEADQU-3)
Reallocated
Aug 21, 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