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Data as of Nov 3, 2026

156.6.151.0/24

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement

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
156.6.0.0/16	65,536	HAFB-TG-NET2	United States Department of Defense (DoD) (USDDD) · US	Direct Allocation	Oct 31, 1991	[email protected]
└ 156.6.0.0/16	65,536	HAFB-TG-NET2	Air Force Systems Networking (7ESG) · US	Reallocated	Aug 19, 2025	—

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Announced by

Covering announcement 156.6.0.0/16

Prefix: 156.6.0.0/16
Announced by: AS749 United States Department of Defense (DoD)
Type: Business
RPKI: No RPKI
Netname: HAFB-TG-NET2
Registrant: Air Force Systems Networking
RIR: ARIN

Registry

Holder

Organization: United States Department of Defense (DoD)
Handle: USDDD
Range: 156.6.0.0/16
Registration type: Direct Allocation
Record created: Oct 31, 1991
Legacy: yes
Reallocated to: Air Force Systems Networking (7ESG)
Reallocated: Aug 19, 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