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Data as of Nov 12, 2026

63.245.0.0/18

83 residential-proxy exits · 30 days

Columbus Networks USA, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS23520
Type
Internet provider
88% of it

Residential-proxy exits

Proxy exits
83
0.51% of its addresses · 30 days
Always-on exits
36
43% of its exits
Spread
10 of 64
/24s with at least one exit
Providers
90
selling exits here
Oct 13, 2026 – Nov 11, 2026

Exits seen per day

246K observations
  • Internet provider
  • Unknown

/24s with the most always-on exits

/24Always-on exitsProxy exits
63.245.58.0/242537
63.245.56.0/241033
63.245.8.0/2411
63.245.54.0/2404
63.245.10.0/2402
63.245.18.0/2402
63.245.13.0/2401
63.245.19.0/2401
63.245.22.0/2401
63.245.59.0/2401

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BlurPath
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • CoreProxy
  • DataImpulse
  • Decodo
  • EVOPROXY
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LemonBright
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • MarsProxies
  • Maskify
  • MoMoProxy
  • NextProxy
  • NiuProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PROXYSCRAPE
  • PSBProxy
  • PrivateByte
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • RainProxy
  • RapidProxy
  • RolaProxy
  • SPYDERPROXY_BASIC
  • SPYDERPROXY_PREMIUM
  • Shifter
  • StrikeProxy
  • SwiftProxy
  • TORCHPROXIES_BASIC
  • TORCHPROXIES_PREMIUM
  • TORCHPROXIES_X
  • TalorData
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • VitalProxy
  • Webshare
  • ZENPROXY_LITE

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
63.245.0.0/17
since Sep 2017
AS23520Internet provider143
51 always on
Columbus Networks USA, Inc.
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

PrefixOriginTypeProxy exitsHolderRPKI
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
AS27696Unknown4
1 always on
Columbus Networks USA, Inc.
63.245.8.0/22
since Aug 2023
AS27696Unknown3
1 always on
Columbus Networks USA, Inc.
63.245.8.0/24
since Aug 2023
AS27696Unknown1
1 always on
Columbus 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.

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———

Composition

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

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Internet provider14,33688%12
Unknown2,04813%8

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Oct 2011
Current origin since
Oct 2011 · 15 yr
Origin networks
1