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Data as of Nov 3, 2026

164.174.32.0/19

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
164.172.0.0/14
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
164.169.0.0 - 164.176.255.255524,288CTNOSC-NETBLKUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationJun 27, 1997[email protected]
└ 164.169.0.0 - 164.176.255.255524,288CTNOSC-NETBLKHeadquarters, USAISC (HEADQU-3) · USReallocatedAug 20, 2025—

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 164.172.0.0/14

Prefix
164.172.0.0/14
Announced by
AS749 United States Department of Defense (DoD)
Type
Business
RPKI
No RPKI
Netname
CTNOSC-NETBLK
Registrant
Headquarters, USAISC
RIR
ARIN
Registry

Holder

Organization
United States Department of Defense (DoD)
Handle
USDDD
Range
164.169.0.0 - 164.176.255.255
Registration type
Direct Allocation
Record created
Jun 27, 1997
Legacy
yes
Reallocated to
Headquarters, USAISC (HEADQU-3)
Reallocated
Aug 20, 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