Data as of Nov 11, 2026

147.241.136.0/21

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
147.241.0.0/1665,536ATECUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationJan 22, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 147.241.0.0/1665,536ATECHeadquarters, USAISC (HEADQU-3) · USReallocatedAug 22, 2025—

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Jun 2007
Current origin since
Oct 2016 · 10 yr
Origin networks
2
Last change of origin
Apr 2014
Recorded history

History

Handoffs
1