LAYER3 INTEL
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Data as of Nov 3, 2026

6.255.99.0/24

No anonymizer space · no proxy exits in 30 days

Headquarters, USAISC · reallocated from United States Department of Defense (DoD)

Announcement
6.248.0.0/13
No RPKI
Announced by
AS1540
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
6.240.0.0/12
since Jan 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
6.192.0.0/10
since Sep 2021
AS749BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
6.0.0.0/816,777,216CONUS-YPG-NETUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationFeb 1, 1994[email protected]
└ 6.0.0.0/816,777,216CONUS-YPG-NETHeadquarters, USAISC (HEADQU-3) · USReallocatedAug 25, 2025—

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 6.248.0.0/13

Prefix
6.248.0.0/13
Announced by
AS1540 Headquarters, USAISC
Type
Business
RPKI
No RPKI
Netname
CONUS-YPG-NET
Registrant
Headquarters, USAISC
RIR
ARIN
Registry

Holder

Organization
United States Department of Defense (DoD)
Handle
USDDD
Range
6.0.0.0/8
Registration type
Direct Allocation
Record created
Feb 1, 1994
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