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Data as of Nov 3, 2026

204.37.1.0/24

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
204.37.0.0/21
No RPKI
Announced by
AS749
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
204.34.0.0 - 204.37.255.255262,144DNIC-NETBLK-204-034United States Department of Defense (DoD) (USDDD) · USDirect AllocationMay 13, 1994[email protected]
└ 204.34.0.0 - 204.37.255.255262,144DNIC-NETBLK-204-034DoD Network Information Center (DNIC) · USReallocatedAug 27, 2025[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 204.37.0.0/21

Prefix
204.37.0.0/21
Announced by
AS749 United States Department of Defense (DoD)
Type
Business
RPKI
No RPKI
Netname
DNIC-NETBLK-204-034
Registrant
DoD Network Information Center
RIR
ARIN
Registry

Holder

Organization
United States Department of Defense (DoD)
Handle
USDDD
Range
204.34.0.0 - 204.37.255.255
Registration type
Direct Allocation
Record created
May 13, 1994
Legacy
yes
Reallocated to
DoD Network Information Center (DNIC)
Reallocated
Aug 27, 2025
Origin network

AS749

US
Name
United States Department of Defense (DoD)
Type
Business
Domain
mail.mil
Industry
Military, Defense, National Security, and International Affairs
Spamhaus ASN-DROP
not listed