Data as of Nov 13, 2026

147.241.80.0/21

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 Oct 31, 2026

from AS668 United States Department of Defense (DoD)

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
147.241.0.0/16	65,536	ATEC	United States Department of Defense (DoD) (USDDD) · US	Direct Allocation	Jan 22, 1992	disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 147.241.0.0/16	65,536	ATEC	Headquarters, USAISC (HEADQU-3) · US	Reallocated	Aug 22, 2025	—

Routing timeline

Summary

Recorded history