Data as of Nov 12, 2026

147.104.131.0/24

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 Sep 2026
from AS1540 Headquarters, USAISC

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
147.104.0.0/1665,536PM-WIN-T-NET2United States Department of Defense (DoD) (USDDD) · USDirect AllocationMar 13, 1991disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 147.104.0.0/1665,536PM-WIN-T-NET2Headquarters, USAISC (HEADQU-3) · USReallocatedAug 22, 2025—

Network & registry

Routing timeline

Who has announced this prefix

latest 12 of 14 stints
Summary

Routing history

Pattern
Rotating
First seen
May 2013
Current origin since
Sep 2026 · 2 mo
Origin networks
7
Last change of origin
Sep 2026
Recorded history

History

Stints on record
14
Handoffs
11