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Data as of Nov 3, 2026

72.252.0.0/22

No anonymizer space · no proxy exits in 30 days

Columbus Networks USA, Inc.

Announcement
72.252.0.0/16
No RPKI
Announced by
AS23520
Type
Unknown

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
72.252.0.0/24
since Mar 2017
AS52468UnknownColumbus Networks USA, Inc.
72.252.1.0/24
since Mar 2017
AS52468UnknownColumbus Networks USA, Inc.
72.252.2.0/24
since Mar 2017
AS52468UnknownColumbus Networks USA, Inc.
72.252.3.0/24
since Mar 2017
AS52468UnknownColumbus Networks USA, Inc.

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
72.252.0.0/1665,536COLUMBUS-NETWORKS-3Columbus Networks USA, Inc. (CNU-6) · USDirect AllocationJan 19, 2005[email protected]
└ 72.252.0.0/221,024CN-72-252-0-0Union Fenosa Redes de Telecomunicacion Guatemala S.A. (UNION-41) · GTReassignedAug 31, 2009[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 72.252.0.0/16

Prefix
72.252.0.0/16
Announced by
AS23520 Columbus Networks USA, Inc.
Type
Residential
Proxy exits
7,109
Always-on exits
1,712
RPKI
No RPKI
Netname
COLUMBUS-NETWORKS-3
Registrant
Columbus Networks USA, Inc. (CNU-6)
RIR
ARIN
Origin network

AS23520

US
Name
Columbus Networks USA, Inc.
Type
Internet provider
Registered
Apr 2, 2002
Domain
libertynetworks.com
Website
libertynetworks.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed