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Data as of Nov 8, 2026

203.237.168.0/21

12 residential-proxy exits · 30 days

Korea Telecom · space held by Korean Education Network

Announcement
203.237.128.0/17
No RPKI
Announced by
AS4766
Type
Business

Residential-proxy exits

Proxy exits
12
0.59% of its addresses · 30 days
Spread
2 of 8
/24s with at least one exit
Providers
43
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

924 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
203.237.172.0/24011
203.237.169.0/2401

Proxy providers listing exits

  • AnyIP
  • BirdProxies
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CliProxy
  • DataImpulse
  • Datarama
  • EnigmaProxy
  • Evomi
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GonzoProxy
  • HideProxy
  • IPFly
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • LemonBright
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • RainProxy
  • ResiProxies
  • Shifter
  • Thordata
  • ThunderProxy
  • 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

PrefixOriginTypeProxy exitsHolderRPKI
203.237.168.0/24
since Feb 2012
AS18031BusinessKorean Education Network
203.237.169.0/24
since Feb 2012
AS18031Business1Korean Education Network
203.237.170.0/24
since Feb 2012
AS18031BusinessKorean Education Network
203.237.171.0/24
since Feb 2012
AS18031BusinessKorean Education Network
203.237.172.0/23
since Mar 2012
AS3786Business11Korean Education Network
203.237.172.0/24
since Apr 2015
AS18031Business11Korean Education Network
203.237.173.0/24
since Feb 2012
AS18031BusinessKorean Education Network
203.237.174.0/24
since Feb 2012
AS18031BusinessKorean Education Network
203.237.175.0/24
since Jul 2019
AS18031BusinessKorean Education Network

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 203.237.128.0/17

Prefix
203.237.128.0/17
Announced by
AS4766 Korea Telecom
Type
Residential
Proxy exits
105
Always-on exits
1
RPKI
No RPKI
Netname
KREN-KR
Registrant
Korean Education Network
RIR
APNIC
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