Data as of Nov 11, 2026

155.20.136.0/22

No anonymizer space · no proxy exits in 30 days

Headquarters, USAISC · reallocated from United States Department of Defense (DoD)

Announcement

this exact prefix

No RPKI

Announced by

Type

Business

Risk

30 / 100 · Medium

Recently moved

Recent change

New origin Sep 2026

from AS367 United States Department of Defense (DoD), after 3.4 years unannounced

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, 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	—

Routing timeline

latest 12 of 20 stints

Summary

Recorded history