LAYER3 INTEL
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Data as of Nov 4, 2026

147.242.243.0/24

No anonymizer space · no proxy exits in 30 days

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

Announcement
147.242.0.0/16
No RPKI
Announced by
AS747
Type
Business
Risk
0 / 100 · Low

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
147.242.0.0/1665,536KOREA6United States Department of Defense (DoD) (USDDD) · USDirect AllocationJan 22, 1992[email protected]
└ 147.242.0.0/1665,536KOREA6Headquarters, USAISC (HEADQU-3) · USReallocatedAug 22, 2025—

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 147.242.0.0/16

Prefix
147.242.0.0/16
Announced by
AS747 Headquarters, USAISC
Type
Business
RPKI
No RPKI
Netname
KOREA6
Registrant
Headquarters, USAISC
RIR
ARIN
Registry

Holder

Organization
United States Department of Defense (DoD)
Handle
USDDD
Range
147.242.0.0/16
Registration type
Direct Allocation
Record created
Jan 22, 1992
Legacy
yes
Reallocated to
Headquarters, USAISC (HEADQU-3)
Reallocated
Aug 22, 2025
Origin network

AS747

US
Name
Headquarters, USAISC
Type
Business
Registered
Sep 25, 1990
Domain
mail.mil
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed