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Data as of Nov 5, 2026

155.20.109.0/24

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement

155.20.108.0/22

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
155.20.0.0/16	65,536	PM-WIN-T-NET19	United States Department of Defense (DoD) (USDDD) · US	Direct Allocation	Oct 28, 1991	disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 155.20.0.0/16	65,536	PM-WIN-T-NET19	Headquarters, USAISC (HEADQU-3) · US	Reallocated	Aug 22, 2025	—

Network & registry

Announcement Routing history Whois & abuse

Announced by

Covering announcement 155.20.108.0/22

Prefix: 155.20.108.0/22
Announced by: AS749 United States Department of Defense (DoD)
Type: Business
RPKI: No RPKI
Netname: PM-WIN-T-NET19
Registrant: Headquarters, USAISC
RIR: ARIN

Registry

Holder

Organization: United States Department of Defense (DoD)
Handle: USDDD
Range: 155.20.0.0/16
Registration type: Direct Allocation
Record created: Oct 28, 1991
Legacy: yes
Reallocated to: Headquarters, USAISC (HEADQU-3)
Reallocated: Aug 22, 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