Data as of Nov 10, 2026

131.49.0.0/16

No anonymizer space · no proxy exits in 30 days

Air Force Systems Networking · reallocated from United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeRPKI
131.32.0.0/11
since Dec 2010
AS721Business

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
131.49.0.0/1665,536HICKAM2-NETUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationJul 10, 1995disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 131.49.0.0/1665,536HICKAM2-NETAir Force Systems Networking (7ESG) · USReallocatedAug 18, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

latest 12 of 22 stints
Summary

Routing history

Pattern
Rotating
First seen
May 2005
Current origin since
Sep 2016 · 10 yr
Origin networks
4
Last change of origin
Jul 2025
Recorded history

History

Stints on record
22
Handoffs
5