LAYER3 INTEL
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Data as of Nov 14, 2026

137.241.0.0/16

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
AS56
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeRPKI
137.240.0.0/14
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
137.241.0.0/1665,536AF-AFMC-HILL-OOALC-137-241United States Department of Defense (DoD) (USDDD) · USDirect AllocationJan 16, 1990disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 137.241.0.0/1665,536AF-AFMC-HILL-OOALC-137-241Air Force Systems Networking (7ESG) · USReallocatedAug 19, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil

Network & registry

AnnouncementRouting historyWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

latest 12 of 15 stints
Summary

Routing history

Pattern
Rotating
First seen
May 2005
Current origin since
Dec 2023 · 2.9 yr
Origin networks
7
Last change of origin
Dec 2023
Recorded history

History

Stints on record
15
Handoffs
10