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Data as of Nov 7, 2026

203.249.0.0/17

53 residential-proxy exits · 30 days

Korea Telecom

Announcement
this exact prefix
No RPKI
Announced by
AS4766
Type
Business
59% of it

Residential-proxy exits

Proxy exits
53
0.16% of its addresses · 30 days
Always-on exits
4
7.5% of its exits
Spread
23 of 128
/24s with at least one exit
Providers
60
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

14K observations
  • Residential
  • Business

/24s with the most always-on exits

/24Always-on exitsProxy exits
203.249.127.0/24310
203.249.30.0/2411
203.249.119.0/2409
203.249.93.0/2404
203.249.2.0/2403
203.249.64.0/2402
203.249.87.0/2402
203.249.123.0/2402
203.249.24.0/2402
203.249.94.0/2402
203.249.10.0/2402
203.249.81.0/2402
203.249.8.0/2402
203.249.77.0/2401
203.249.89.0/2401
203.249.91.0/2401
203.249.86.0/2401
203.249.73.0/2401
203.249.114.0/2401
203.249.116.0/2401
203.249.72.0/2401
203.249.67.0/2401
203.249.4.0/2401

Proxy providers listing exits

  • 2Captcha
  • 9Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CliProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GonzoProxy
  • IPFly
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • LemonBright
  • LemonPrime
  • LightningProxies
  • MangoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Oxylabs
  • PSBProxy
  • PrivateByte
  • Proxiware
  • Proxmint
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyRack
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • RainProxy
  • Shifter
  • StrikeProxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • ZENPROXY_PREMIUM

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
203.249.0.0/19
since Jun 2025
AS4766Residential11
1 always on
Korean Education Network
203.249.11.0/24
since Jan 2015
AS4766ResidentialKorean Education Network
203.249.11.0/25AS4766ResidentialKorean Education Network
203.249.11.128/25AS4766ResidentialKorean Education Network
203.249.12.0/24
since Jan 2015
AS4766ResidentialKorean Education Network
203.249.12.0/25AS4766ResidentialKorean Education Network
203.249.12.128/25AS4766ResidentialKorean Education Network
203.249.13.0/24
since Jan 2015
AS4766ResidentialKorean Education Network
203.249.13.0/25AS4766ResidentialKorean Education Network
203.249.13.128/25AS4766ResidentialKorean Education Network
203.249.14.0/24
since Jan 2015
AS4766ResidentialKorean Education Network
203.249.14.0/25AS4766ResidentialKorean Education Network
203.249.14.128/25AS4766ResidentialKorean Education Network
203.249.15.0/24
since Jan 2015
AS4766ResidentialKorean Education Network
203.249.15.0/25AS4766ResidentialKorean Education Network
203.249.15.128/25AS4766ResidentialKorean Education Network
203.249.16.0/24
since Jan 2015
AS4766ResidentialKorean Education Network
203.249.16.0/25AS4766ResidentialKorean Education Network
203.249.16.128/25AS4766ResidentialKorean Education Network
203.249.32.0/24
since Dec 2017
AS4766ResidentialKorean Education Network
203.249.33.0/24
since Jun 2020
AS9318ResidentialKorean Education Network
203.249.34.0/24
since Sep 2012
AS10073BusinessKorean Education Network
203.249.35.0/24
since May 2005
AS9867BusinessKorean Education Network
203.249.36.0/24
since May 2010
AS10073BusinessKorean Education Network
203.249.37.0/24
since Mar 2020
AS3786BusinessKorean Education Network
203.249.38.0/24
since Oct 2017
AS55611BusinessKorean Education Network
203.249.39.0/24
since Dec 2023
AS3786BusinessKorean Education Network
203.249.40.0/24
since May 2012
AS10073BusinessKorean Education Network
203.249.41.0/24
since Sep 2012
AS10073BusinessKorean Education Network
203.249.42.0/24
since Sep 2012
AS10073BusinessKorean Education Network
203.249.43.0/24
since Sep 2012
AS10073BusinessKorean Education Network
203.249.44.0/24
since Sep 2012
AS10073BusinessKorean Education Network
203.249.45.0/24
since May 2010
AS10073BusinessKorean Education Network
203.249.47.0/24
since May 2005
AS10071BusinessKorean Education Network
203.249.48.0/20
since Jan 2020
AS9271BusinessKorean Education Network
203.249.64.0/20
since Aug 2007
AS18330Business6Hongik University
203.249.80.0/22
since Aug 2007
AS18330Business2Hongik University
203.249.84.0/24
since Dec 2017
AS9318ResidentialHongik University
203.249.85.0/24
since Dec 2017
AS9318ResidentialHongik University
203.249.86.0/24
since Dec 2017
AS9318Residential1Hongik University
203.249.87.0/24
since Dec 2017
AS9318Residential2Hongik University
203.249.88.0/24
since Dec 2017
AS9318ResidentialHongik University
203.249.89.0/24
since Dec 2017
AS9318Residential1Hongik University
203.249.90.0/24
since Dec 2017
AS9318ResidentialHongik University
203.249.91.0/24
since Dec 2017
AS9318Residential1Hongik University
203.249.92.0/24
since Dec 2017
AS9318ResidentialHongik University
203.249.93.0/24
since Dec 2017
AS9318Residential4Hongik University
203.249.94.0/24
since Dec 2017
AS9318Residential2Hongik University
203.249.95.0/24
since Dec 2017
AS9318ResidentialHongik University
203.249.96.0/20
since May 2005
AS9978BusinessKorean Education Network
203.249.112.0/24
since Jan 2012
AS55621BusinessKorean Education Network
203.249.113.0/24
since Jan 2012
AS55621BusinessKorean Education Network
203.249.114.0/23
since Jul 2024
AS9523Business1Korean Education Network
203.249.116.0/22
since Jul 2024
AS9523Business10Korean Education Network
203.249.122.0/24
since Jan 2021
AS3786BusinessKorean Education Network
203.249.123.0/24
since Jan 2021
AS3786Business2Korean Education Network
203.249.124.0/23
since Feb 2007
AS4766ResidentialKorean Education Network
203.249.126.0/24
since Dec 2019
AS9318ResidentialKorean Education Network
203.249.127.0/24
since Dec 2019
AS9318Residential10
3 always on
Korean Education Network

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
203.249.0.0/1816,384KRENKorean Education NetworkALLOCATED PORTABLE—hostmaster@nic.or.kr
203.249.64.0/198,192HONGIKHongik UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
203.249.96.0/198,192KRENKorean Education NetworkALLOCATED PORTABLE—hostmaster@nic.or.kr

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
Business19,20059%23
Residential13,56841%33

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Not stated by the registry
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