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Data as of Nov 7, 2026

138.121.12.0/22

41 residential-proxy exits · 30 days

Columbus Networks USA, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS23520
Type
Internet provider

Residential-proxy exits

Proxy exits
41
4.0% of its addresses · 30 days
Always-on exits
10
24% of its exits
Spread
4 of 4
/24s with at least one exit
Providers
75
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

68K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
138.121.12.0/24713
138.121.14.0/24211
138.121.15.0/2416
138.121.13.0/24011

Proxy providers listing exits

  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BestProxy
  • BirdProxies
  • BottingTools
  • Bright Data
  • BuyingProxy
  • ByteProxies
  • Byteful
  • DataImpulse
  • Datarama
  • Decodo
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HideProxy
  • HydraProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LemonBright
  • LightningProxies
  • MagneticProxy
  • MangoProxy
  • Maskify
  • NSocks
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • Proxio
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • RainProxy
  • RapidProxy
  • RealProxy
  • ResiProxies
  • RoamProxy
  • Shifter
  • Smartproxy
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • Webshare

Announcements

More specific

Announcements inside

PrefixOriginTypeProxy exitsRPKI
138.121.12.0/24
since Dec 2023
AS262191Internet provider13
7 always on
138.121.13.0/24
since Dec 2023
AS262191Internet provider11
138.121.14.0/24
since Aug 2016
AS262191Internet provider11
2 always on
138.121.15.0/24
since Mar 2019
AS262191Internet provider6
1 always on

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Not stated by the registry
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