Data as of Nov 10, 2026

131.74.0.0/16

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement

131.74.0.0/15

No RPKI

Announced by

AS721

Type

Business

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.

More specific

Announcements inside

Arrived

Sort

Prefix	Origin	Type	Holder
131.74.12.0/24 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.16.0/22 since Nov 2019	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.20.0/22 since Jan 2022	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.24.0/23 since Nov 2019	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.32.0/22 since Jul 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.36.0/22 since Jul 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.48.0/22 since Jul 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.52.0/24 since Jul 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.58.0/24 since Jul 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.62.0/24 since Aug 2020	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.64.0/22 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.68.0/22 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.72.0/22 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.76.0/22 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.80.0/22 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.84.0/22 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.88.0/22 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.92.0/22 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.96.0/22 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.110.0/24 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.111.0/24 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.118.0/24 since Jul 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.121.0/24 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.124.0/24 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.156.0/23 since Sep 2025	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.158.0/23 since Sep 2025	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.160.0/21 since Mar 2018	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.168.0/22 since Mar 2018	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.172.0/22 since Mar 2018	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.176.0/21 since Apr 2018	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.184.0/22 since Apr 2018	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.188.0/22 since Apr 2018	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.194.0/23 since Sep 2024	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.208.0/22 since Jul 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.224.0/22 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.228.0/22 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.240.0/22 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.248.0/23 since Jun 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center
131.74.252.0/24 since Aug 2021	AS27046	Business	United States Department of Defense (DoD) via DoD Network Information Center

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
131.74.0.0/16	65,536	DSCC	United States Department of Defense (DoD) (USDDD) · US	Direct Allocation	May 23, 1996	disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 131.74.0.0/16	65,536	DSCC	DoD Network Information Center (DNIC) · US	Reallocated	Aug 28, 2025	disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced 131.74.0.0/15

131.74.0.0/15

Routing history

Pattern: Stable
First seen: Jun 2007
Current origin since: Dec 2010 · 16 yr
Origin networks: 2
Last change of origin: Dec 2010

Recorded history

History

Handoffs: 2