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Data as of Nov 8, 2026

203.251.0.0/17

116 residential-proxy exits · 30 days

Korea Telecom

Announcement
this exact prefix
No RPKI
Announced by
AS4766
Type
Residential
97% of it

Residential-proxy exits

Proxy exits
116
0.35% of its addresses · 30 days
Always-on exits
5
4.3% of its exits
Spread
53 of 128
/24s with at least one exit
Providers
76
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

24K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
203.251.104.0/2416
203.251.70.0/2414
203.251.31.0/2414
203.251.29.0/2413
203.251.103.0/2413
203.251.116.0/2409
203.251.74.0/2408
203.251.56.0/2406
203.251.49.0/2404
203.251.45.0/2404
203.251.72.0/2403
203.251.2.0/2403
203.251.3.0/2403
203.251.30.0/2403
203.251.44.0/2403
203.251.107.0/2403
203.251.113.0/2402
203.251.118.0/2402
203.251.126.0/2402
203.251.119.0/2402
203.251.25.0/2402
203.251.35.0/2402
203.251.97.0/2402
203.251.86.0/2402

Proxy providers listing exits

  • 2Captcha
  • 9Proxy
  • Ake.net
  • AnyIP
  • BartProxies
  • BirdProxies
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HydraProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • MarsProxies
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Novada
  • PROXYWING_BASIC
  • ProxiesVision
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • SPYDERPROXY_PREMIUM
  • Shifter
  • SpyderProxy
  • StrikeProxy
  • Thordata
  • ThunderProxy
  • TrustProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • ZENPROXY_PREMIUM

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
203.251.7.0/24
since Oct 2017
AS4766ResidentialKorea Telecom
203.251.60.0/24
since Dec 2011
AS55617BusinessKorea Telecom
203.251.77.0/24
since Oct 2016
AS38124BusinessKorea Telecom
203.251.80.0/23
since Jan 2026
AS152232HostingKorea Telecom

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
Residential31,74497%6
Business5121.6%2
Hosting5121.6%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS4766

KR
Name
Korea Telecom
Type
Internet provider
Registered
Apr 22, 1996
Domain
kt.com
Website
www.kt.com/eng/main.jsp
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
1