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Data as of Nov 10, 2026

203.230.128.0/17

35 residential-proxy exits · 30 days

Korea Telecom

Announcement
this exact prefix
No RPKI
Announced by
AS4766
Type
Business
77% of it

Residential-proxy exits

Proxy exits
35
0.11% of its addresses · 30 days
Spread
22 of 128
/24s with at least one exit
Providers
51
selling exits here
Oct 11, 2026 – Nov 8, 2026

Exits seen per day

1.7K observations
  • Residential
  • Business

/24s with the most always-on exits

/24Always-on exitsProxy exits
203.230.245.0/2404
203.230.203.0/2403
203.230.149.0/2403
203.230.252.0/2402
203.230.145.0/2402
203.230.251.0/2402
203.230.128.0/2402
203.230.240.0/2402
203.230.236.0/2402
203.230.204.0/2402
203.230.200.0/2402
203.230.148.0/2401
203.230.195.0/2401
203.230.211.0/2401
203.230.192.0/2401
203.230.237.0/2401
203.230.239.0/2401
203.230.151.0/2401
203.230.147.0/2401
203.230.247.0/2401
203.230.146.0/2401
203.230.141.0/2401

Proxy providers listing exits

  • 2Captcha
  • 9Proxy
  • Ake.net
  • AnyIP
  • BartProxies
  • BirdProxies
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CliProxy
  • DataImpulse
  • Datarama
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonode
  • GonzoProxy
  • HydraProxy
  • IPFly
  • IPOasis
  • IPPeak
  • Infatica
  • InfiniteProxies
  • LemonBright
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • PSBProxy
  • Proxiware
  • Proxmint
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyHat
  • ProxyRack
  • Proxying
  • Proxyma
  • Q2IP
  • RainProxy
  • Shifter
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VitalData
  • VitalExclusive

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
203.230.128.0/22
since Sep 2012
AS4766Residential2Korean Education Network
203.230.132.0/24
since Jul 2019
AS4766ResidentialKorean Education Network
203.230.133.0/24
since Dec 2025
AS9691BusinessKorean Education Network
203.230.135.0/24
since Sep 2016
AS4766ResidentialKorean Education Network
203.230.136.0/21
since May 2005
AS9523Business1Korean Education Network
203.230.144.0/21
since May 2005
AS9523Business9Korean Education Network
203.230.152.0/22
since Jan 2024
AS10046BusinessKorean Education Network
203.230.156.0/22
since May 2005
AS3786BusinessKorean Education Network
203.230.156.0/24
since Jun 2026
AS4766ResidentialKorean Education Network
203.230.157.0/24
since Jun 2026
AS4766ResidentialKorean Education Network
203.230.158.0/24
since Jun 2026
AS4766ResidentialKorean Education Network
203.230.159.0/24
since Jun 2026
AS4766ResidentialKorean Education Network
203.230.160.0/19
since Feb 2009
AS45377BusinessKorea Telecom
203.230.192.0/22
since Jun 2007
AS18329Business2Korean Education Network
203.230.196.0/23
since Jun 2007
AS18329BusinessKorean Education Network
203.230.198.0/24
since Jun 2007
AS18329BusinessKorean Education Network
203.230.199.0/24
since May 2007
AS3786BusinessKorean Education Network
203.230.200.0/21
since Sep 2016
AS4766Residential7Korean Education Network
203.230.208.0/24
since Jul 2015
AS10053BusinessKorean Education Network
203.230.209.0/24
since Jul 2015
AS10053BusinessKorean Education Network
203.230.210.0/24
since Mar 2025
AS4766ResidentialKorean Education Network
203.230.211.0/24
since Feb 2025
AS4766Residential1Korean Education Network
203.230.212.0/23
since Aug 2023
AS18028BusinessKorean Education Network
203.230.214.0/24
since Aug 2023
AS18028BusinessKorean Education Network
203.230.215.0/24
since Dec 2025
AS9691BusinessKorean Education Network
203.230.216.0/24
since May 2005
AS4766ResidentialKorean Education Network
203.230.217.0/24
since May 2005
AS4766ResidentialKorean Education Network
203.230.218.0/24
since Apr 2007
AS3786BusinessKorean Education Network
203.230.219.0/24
since Mar 2009
AS4766ResidentialKorean Education Network
203.230.220.0/22
since May 2005
AS4766ResidentialKorean Education Network
203.230.224.0/21
since May 2005
AS23714BusinessKorean Education Network
203.230.232.0/22
since May 2005
AS23714BusinessKorean Education Network
203.230.236.0/22
since May 2005
AS9782Business4Korean Education Network
203.230.240.0/23
since Jan 2014
AS18023Business2Korean Education Network
203.230.240.0/24
since May 2005
AS18023Business2Korean Education Network
203.230.241.0/24
since May 2005
AS18023BusinessKorean Education Network
203.230.242.0/23
since Jan 2014
AS18023BusinessKorean Education Network
203.230.242.0/24
since May 2005
AS18023BusinessKorean Education Network
203.230.243.0/24
since May 2005
AS18023BusinessKorean Education Network
203.230.244.0/22
since Jan 2013
AS18023Business5Korean Education Network
203.230.244.0/23
since Jan 2014
AS18023Business4Korean Education Network
203.230.246.0/23
since Jan 2014
AS18023Business1Korean Education Network
203.230.248.0/22
since Jan 2013
AS18023Business2Korean Education Network
203.230.248.0/23
since Jan 2013
AS18023BusinessKorean Education Network
203.230.250.0/23
since Jan 2013
AS18023Business2Korean Education Network
203.230.252.0/23
since Jan 2013
AS18023Business2Korean Education Network
203.230.252.0/24
since May 2005
AS18023Business2Korean Education Network
203.230.253.0/24
since May 2005
AS18023BusinessKorean Education Network
203.230.254.0/24
since Jul 2007
AS4766ResidentialKorean Education Network
203.230.255.0/24
since Jul 2007
AS4766ResidentialKorean 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
203.230.128.0/198,192KRENKorean Education NetworkALLOCATED PORTABLE—hostmaster@nic.or.kr
203.230.160.0/198,192KORNETKorea TelecomALLOCATED PORTABLE—hostmaster@nic.or.kr
203.230.192.0/1816,384KRENKorean 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
Business25,08877%28
Residential7,68023%17

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