Data as of Nov 5, 2026

63.245.104.0/21

24 residential-proxy exits · 30 days

Columbus Networks USA, Inc.

Announcement
No RPKI
Announced by
Type
Internet provider
63% of it

Residential-proxy exits

Proxy exits
24
1.2% of its addresses · 30 days
Always-on exits
8
33% of its exits
Spread
2 of 8
/24s with at least one exit
Providers
61
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

34K observations
  • Residential
  • Internet provider

/24s with the most always-on exits

/24Always-on exitsProxy exits
63.245.105.0/24823
63.245.110.0/2401

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BottingTools
  • Bright Data
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • CoreProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • Geonode
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • IPFly
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • Kookey
  • LemonBright
  • LudaxProxy
  • MagneticProxy
  • Maskify
  • NSocks
  • NextProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PrivateProxy
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • RainProxy
  • ResiProxies
  • Shifter
  • StrikeProxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VitalExclusive
  • Webshare

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
63.245.0.0/17
since Sep 2017
AS23520Internet provider146
51 always on
Columbus Networks USA, Inc.
More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
63.245.104.0/24
since Nov 2017
AS23520Internet providerColumbus Networks USA, Inc.
63.245.105.0/24
since Dec 2019
AS265590Residential23
8 always on
Columbus Networks USA, Inc.
63.245.108.0/23
since Dec 2012
AS52233ResidentialColumbus Networks USA, Inc.
63.245.111.0/24
since Jul 2012
AS23520Internet providerColumbus Networks USA, Inc.

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
63.245.0.0/1732,768COLUMBUS-NETWORKS-1Columbus Networks USA, Inc. (CNU-6) · USDirect AllocationOct 22, 2002rafael.espinosa@libertynet.com
└ 63.245.105.0/2425663-245-105-0-ABIX-TELECOMUNICACIONES-SA-DE-CVAbix Telecomunicaciones S.A. de C.V. (C07072613) · MXReassignedOct 1, 2018rafael.espinosa@libertynet.com
via COLUMBUS-NETWORKS-1
└ 63.245.111.0/24256IP-BLOCKS-PUERTO-RICOColumbus Networks Puerto Rico (CNPR) · USReassignedOct 2, 2013—

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

2,048 addresses
TypeAddressesShareRanges
Internet provider1,28063%4
Residential76838%2

Network & registry

Announced by

Covering announcement 63.245.96.0/19

Prefix
63.245.96.0/19
Announced by
AS23520 Columbus Networks USA, Inc.
Type
Internet provider
Proxy exits
55
Always-on exits
13
RPKI
No RPKI
Netname
COLUMBUS-NETWORKS-1
Registrant
Columbus Networks USA, Inc.
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