Data as of Nov 12, 2026

72.236.28.0/24

No anonymizer space · no proxy exits in 30 days

Hypertherm Inc. · space held by Level 3 Parent, LLC

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
72.236.0.0/15
since May 2007
AS3356Internet provider3Level 3 Parent, LLC

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
72.236.0.0/15131,072LVLT-ORG-72-236Level 3 Parent, LLC (LPL-141) · USDirect AllocationApr 27, 2005abuse@level3.com
└ 72.236.28.0/24256LVLT-HYPER-27-72-236-28Hypertherm Inc. (HYPER-27) · USReassignedSep 12, 2008Brian.Giaccone@hypertherm.com

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Aug 2008
Current origin since
Aug 2008 · 18 yr
Origin networks
1