Data as of Nov 15, 2026

199.123.72.0/21

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement

this exact prefix

No RPKI

Announced by

Type

Business

Announcements

More specific

Prefix	Origin	Type	Holder
199.123.72.0/22 since Jan 2026	AS1540	Business	United States Department of Defense (DoD) via Headquarters, USAISC
199.123.76.0/24 since May 2005	AS1590	Business	United States Department of Defense (DoD) via Headquarters, USAISC
199.123.78.0/23 since Jan 2026	AS1540	Business

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
199.123.77.0/24	256	ANSOC-RNET123USARCC-C-DATASERVICES-12	unknown	—	—	—
└ 199.123.77.0/24	256	ANSOC-RNET123USARCC-C-DATASERVICES-12	Headquarters, USAISC (HEADQU-3) · US	Allocation	Aug 25, 2025	disa.columbus.ns.mbx.arin-registrations@mail.mil
199.123.78.0/24	256	RECNET1	unknown	—	—	—
└ 199.123.78.0/24	256	RECNET1	Headquarters, USAISC (HEADQU-3) · US	Allocation	Aug 25, 2025	disa.columbus.ns.mbx.arin-registrations@mail.mil
199.123.79.0/24	256	RECNET2	unknown	—	—	—
└ 199.123.79.0/24	256	RECNET2	Headquarters, USAISC (HEADQU-3) · US	Allocation	Aug 25, 2025	disa.columbus.ns.mbx.arin-registrations@mail.mil

Routing timeline

Summary

Recorded history