Data as of Nov 10, 2026

72.252.4.0/24

No anonymizer space · no proxy exits in 30 days

Natural G.C. Inc. · space held by Columbus Networks USA, Inc.

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
72.252.4.0/22
since Sep 2010
AS23520Internet providerColumbus Networks USA, Inc.
72.252.0.0/16
since Apr 2006
AS23520Residential7,058
1,719 always on
Columbus Networks USA, Inc.

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
72.252.0.0/1665,536COLUMBUS-NETWORKS-3Columbus Networks USA, Inc. (CNU-6) · USDirect AllocationJan 19, 2005rafael.espinosa@libertynet.com
└ 72.252.4.0/24256CN-BLOCK-72-252-4Natural G.C. Inc. (NG-240) · PRReassignedDec 3, 2018—

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Oct 2018 · 8.1 yr
Origin networks
4
Last change of origin
Oct 2018
Recorded history

History

Handoffs
3