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Data as of Nov 4, 2026

198.253.98.0/23

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement

198.253.96.0/21

No RPKI

Announced by

Type

Business

Risk

0 / 100 · Low

Registrations in this block

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

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
198.253.0.0/16	65,536	NCINET	United States Department of Defense (DoD) (USDDD) · US	Direct Allocation	Sep 10, 1993	[email protected]
└ 198.253.0.0/16	65,536	NCINET	Navy Network Information Center (NNIC) (NNICN-1) · US	Reallocated	Aug 15, 2025	—

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Announced by

Covering announcement 198.253.96.0/21

Prefix: 198.253.96.0/21
Announced by: AS749 United States Department of Defense (DoD)
Type: Business
RPKI: No RPKI
Netname: NCINET
Registrant: Navy Network Information Center (NNIC)
RIR: ARIN

Registry

Holder

Organization: United States Department of Defense (DoD)
Handle: USDDD
Range: 198.253.0.0/16
Registration type: Direct Allocation
Record created: Sep 10, 1993
Legacy: yes
Reallocated to: Navy Network Information Center (NNIC) (NNICN-1)
Reallocated: Aug 15, 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