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Data as of Nov 4, 2026

63.245.0.0/17

145 residential-proxy exits · 30 days

Columbus Networks USA, Inc.

Announcement
this exact prefix
No RPKI
Announced by
AS23520
Type
Internet provider
76% of it

Residential-proxy exits

Proxy exits
145
0.44% of its addresses · 30 days
Always-on exits
50
34% of its exits
Spread
28 of 128
/24s with at least one exit
Providers
92
selling exits here
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

317K observations
  • Residential
  • Internet provider
  • Unknown

/24s with the most always-on exits

/24Always-on exitsProxy exits
63.245.58.0/242537
63.245.56.0/241135
63.245.105.0/24823
63.245.126.0/2422
63.245.123.0/2415
63.245.113.0/2414
63.245.90.0/2413
63.245.124.0/2412
63.245.125.0/2406
63.245.54.0/2403
63.245.127.0/2403
63.245.115.0/2402
63.245.18.0/2402
63.245.59.0/2402
63.245.10.0/2402
63.245.119.0/2402
63.245.110.0/2401
63.245.116.0/2401
63.245.117.0/2401
63.245.118.0/2401
63.245.8.0/2401
63.245.121.0/2401
63.245.122.0/2401
63.245.73.0/2401

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • CoreProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • Kookey
  • LemonBright
  • LemonLabs
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • MarsProxies
  • Maskify
  • MoMoProxy
  • NSocks
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • PrivateByte
  • PrivateProxy
  • ProxiesVision
  • Proxiware
  • Proxmint
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • ResiProxies
  • RolaProxy
  • Shifter
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • TrueProxies
  • TrustProxy
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • VitalProxy
  • Webshare

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

Arrived
PrefixOriginTypeProxy exitsHolderRPKI
63.245.0.0/18
since Oct 2011
AS23520Internet provider85
36 always on
Columbus Networks USA, Inc.
63.245.1.0/24
since May 2005
AS23520Internet providerColumbus Networks USA, Inc.
63.245.2.0/24
since May 2005
AS23520Internet providerColumbus Networks USA, Inc.
63.245.8.0/21
since Aug 2023
AS27696Unknown4Columbus Networks USA, Inc.
63.245.8.0/22
since Aug 2023
AS27696Unknown3Columbus Networks USA, Inc.
63.245.8.0/24
since Aug 2023
AS27696Unknown1Columbus Networks USA, Inc.
63.245.9.0/24
since Aug 2023
AS27696UnknownColumbus Networks USA, Inc.
63.245.10.0/24
since Aug 2023
AS27696Unknown2Columbus Networks USA, Inc.
63.245.12.0/24
since Aug 2023
AS27696UnknownColumbus Networks USA, Inc.
63.245.13.0/24
since Aug 2023
AS27696Unknown1Columbus Networks USA, Inc.
63.245.14.0/24
since Aug 2023
AS27696UnknownColumbus Networks USA, Inc.
63.245.15.0/24
since Aug 2023
AS27696UnknownColumbus Networks USA, Inc.
63.245.18.0/24
since Jan 2024
AS52286Internet provider2Columbus Networks USA, Inc.
via Liberty Networks
63.245.19.0/24
since Jan 2024
AS52286Internet provider1Columbus Networks USA, Inc.
via Liberty Networks
63.245.29.0/24
since Aug 2023
AS23520Internet providerColumbus Networks USA, Inc.
63.245.32.0/24
since Aug 2023
AS23520Internet providerColumbus Networks USA, Inc.
63.245.64.0/21
since Oct 2011
AS23520Internet provider1Columbus Networks USA, Inc.
63.245.69.0/24
since Jul 2021
AS23520Internet providerColumbus Networks USA, Inc.
63.245.72.0/21
since Aug 2015
AS23520Internet provider1Columbus Networks USA, Inc.
63.245.72.0/24
since Aug 2023
AS23520Internet providerColumbus Networks USA, Inc.
63.245.80.0/20
since Oct 2011
AS23520Internet provider3
1 always on
Columbus Networks USA, Inc.
63.245.88.0/24
since Nov 2019
AS62627ResidentialColumbus Networks USA, Inc.
63.245.89.0/24
since Nov 2019
AS62627ResidentialColumbus Networks USA, Inc.
63.245.91.0/24
since Jul 2021
AS23520Internet providerColumbus Networks USA, Inc.
63.245.93.0/24
since Sep 2015
AS62627ResidentialColumbus Networks USA, Inc.
63.245.95.0/24
since Nov 2019
AS62627ResidentialColumbus Networks USA, Inc.
63.245.96.0/19
since Oct 2011
AS23520Internet provider55
13 always on
Columbus Networks USA, Inc.
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.
63.245.112.0/20
since May 2005
AS8014Residential31
5 always on
Columbus Networks USA, Inc.
via The Bahamas Telecommunications Company, Ltd.

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
63.245.0.0/1732,768COLUMBUS-NETWORKS-1Columbus Networks USA, Inc. (CNU-6) · USDirect AllocationOct 22, 2002rafael.espinosa@libertynet.com
└ 63.245.0.0/24256CN-BLK-63-245-0unknown———
└ 63.245.1.0/24256CN-BLK-63-245-1Columbus Networks IP TRANSIT (COLUM-84) · USReassignedJan 24, 2011ipnoc@columbus-networks.com
└ 63.245.2.0/24256CN-BLK-63-245-2Columbus Networks IP TRANSIT (COLUM-84) · USReassignedJan 24, 2011ipnoc@columbus-networks.com
└ 63.245.3.0/24256CN-BLK-63-245-3unknown———
└ 63.245.4.0/24256CN-BLK-63-245-4unknown———
└ 63.245.5.0/24256CN-BLK-63-245-5unknown———
└ 63.245.6.0/24256CN-BLK-63-245-6unknown———
└ 63.245.7.0/24256CN-BLK-63-245-7unknown———
└ 63.245.8.0/212,048NET-63-245-8-0-1unknownReassignedOct 17, 2017daniel.herrera@cwc.com
└ 63.245.16.0/23512NWN-BLK41-42unknown———
└ 63.245.18.0/24256CN-GUA-63-245-18Liberty Networks (CNGS) · GTReallocatedJun 30, 2023—
└ 63.245.19.0/24256GUA-63-245-19-0Columbus Networks USA, Inc. (CNU-6) · USReallocatedApr 26, 2023rafael.espinosa@libertynet.com
└ 63.245.19.0/24256CN-GUA-63-245-19Liberty Networks (CNGS) · GTReallocatedJun 30, 2023—
└ 63.245.20.0/24256CN-BLK-63-245-20unknown———
└ 63.245.21.0/24256CN-BLK-63-245-21unknown———
└ 63.245.22.0/24256ZOOMunknown———
└ 63.245.23.0/24256ZOOMunknown———
└ 63.245.29.0/24256CN-BLK-63-245-29Columbus Communication VOICE (COLUM-83) · USReassignedJan 24, 2011—
└ 63.245.30.0/23512NWN-BLK-63-245-30unknown———
└ 63.245.40.0/24256CN-BLK-63-245-40unknown———
└ 63.245.41.0/24256NWN-BLK041unknown———
└ 63.245.42.0/24256NWN-BLK042unknown———
└ 63.245.43.0/24256CN-BLK-63-245-43unknown———
└ 63.245.44.0/24256CN-BLK-63-245-44unknown———
└ 63.245.45.0/24256CN-BLK-63-245-45unknown———
└ 63.245.46.0/24256CN-BLK-63-245-46unknown———
└ 63.245.47.0/24256CN-BLK-63-245-47unknown———
└ 63.245.56.0 - 63.245.59.0769CN-BLK-63-245-56unknown———
└ 63.245.61.0/24256NWN-1-BLK061unknown———
└ 63.245.61.0/24256RED-IMOVIL-63-245-61-0-24unknown———
└ 63.245.62.0/24256NWN-1-BLK062unknown———
└ 63.245.62.0/24256RED-MARRIOTT-63-245-62-0-24unknown———
└ 63.245.63.0/24256NWN-1-BLK063unknown———
└ 63.245.66.0/23512NWN-BLK-63-245-66unknown———
└ 63.245.66.80/298CCGL-NET-63-245-66-80-29unknown———
└ 63.245.66.128/304CCGL-NET-63-245-66-128-30unknown———
└ 63.245.66.144/298CCGL-NET-63-245-66-144-29unknown———
└ 63.245.66.152/298CCGL-NET-63-245-66-152-29unknown———
└ 63.245.66.168/298CCGL-NET-63-245-66-168-29unknown———
└ 63.245.66.176/2816CCGL-NET-63-245-66-176-28unknown———
└ 63.245.66.192/298CCGL-NET-63-245-66-192-29unknown———
└ 63.245.66.200/298CCGL-NET-63-245-66-200-29unknown———
└ 63.245.66.208/2816CCGL-NET-63-245-66-208-28unknown———
└ 63.245.66.224/298CCGL-NET-63-245-66-224-29unknown———
└ 63.245.66.232/298CCGL-NET-63-245-66-232-29unknown———
└ 63.245.66.248/298CCGL-NET-63-245-66-248-29unknown———
└ 63.245.68.0/24256CN-BLK-63-245-68unknown———
└ 63.245.69.0/24256CN-BLK-63-245-69Columbus Networks IP TRANSIT (COLUM-84) · USReassignedJan 24, 2011ipnoc@columbus-networks.com
└ 63.245.70.0/24256CN-BLK-63-245-70unknown———
└ 63.245.71.0/24256CN-BLK-63-245-71unknown———
└ 63.245.88.0/24256ZOOMColumbus Networks IP TRANSIT PR (COLUM-86) · PRReassignedJan 25, 2011oortiz@columbus-netowrks.com
└ 63.245.89.0/24256ZOOMColumbus Networks IP TRANSIT PR (COLUM-86) · PRReassignedJan 25, 2011oortiz@columbus-netowrks.com
└ 63.245.90.0/24256CN-BLK-63-245-90unknown———
└ 63.245.91.0/24256CN-BLK-63-245-91Columbus Networks IP TRANSIT (COLUM-84) · USReassignedJan 24, 2011ipnoc@columbus-networks.com
└ 63.245.92.0/24256CN-BLK-63-245-92unknown———
└ 63.245.93.0/24256ZOOMColumbus Networks IP TRANSIT PR (COLUM-86) · PRReassignedJan 25, 2011oortiz@columbus-netowrks.com
└ 63.245.94.0/24256CN-BLK-63-245-94unknown———
└ 63.245.95.0/24256ZOOMColumbus Networks IP TRANSIT PR (COLUM-86) · PRReassignedJan 25, 2011oortiz@columbus-netowrks.com
└ 63.245.96.0/212,048NWN-BLK0096-0103unknown———
└ 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—
└ 63.245.112.0/204,096NWN-BLK0112-0127The Bahamas Telecommunications Company, Ltd. (BTC-27) · BSReallocatedSep 17, 2003cwc-csirt@cwc.com
└ 63.245.124.0/24256CN-BLK-63-245-124unknown———
└ 63.245.125.0/24256CN-BLK-63-245-125unknown———
└ 63.245.126.0/24256CN-BLK-63-245-126unknown———
└ 63.245.127.0/24256CN-BLK-63-245-127unknown———

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

32,768 addresses
TypeAddressesShareRanges
Internet provider24,83276%27
Residential5,88818%7
Unknown2,0486.3%8

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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