Data as of Nov 8, 2026

139.40.168.0/21

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

Risk

0 / 100 · Low

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
139.40.0.0/16	65,536	CLOUD-SVCS-139-40	United States Department of Defense (DoD) (USDDD) · US	Direct Allocation	Jun 15, 1990	disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 139.40.0.0/16	65,536	CLOUD-SVCS-139-40	DoD Network Information Center (DNIC) · US	Reallocated	Aug 29, 2025	disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 139.40.168.0/21	2,048	NIC-139-40-168-1	Spawarsyscen Atlantic - Charleston (C11335515) · US	Reassigned	Aug 29, 2025	disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil via CLOUD-SVCS-139-40

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Registry

Origin network