LAYER3 INTEL
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Data as of Nov 6, 2026

158.11.228.0/23

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
Recent change
New origin Oct 10, 2026
from AS1540 Headquarters, USAISC

Announcements

Less specific

Covering announcements

PrefixOriginTypeRPKI
158.8.0.0/14
since Dec 2010
AS721Business
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
158.11.228.0/24
since Sep 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC

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
158.11.0.0/1665,536TACTICAL-PEO-C3T-20United States Department of Defense (DoD) (USDDD) · USDirect AllocationMay 13, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 158.11.0.0/1665,536TACTICAL-PEO-C3T-20Headquarters, USAISC (HEADQU-3) · USReallocatedAug 25, 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
158.11.0.0/16
Registration type
Direct Allocation
Record created
May 13, 1992
Legacy
yes
Reallocated to
Headquarters, USAISC (HEADQU-3)
Reallocated
Aug 25, 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