LAYER3 INTEL
Get started
Sign in
Data as of Nov 7, 2026

210.121.128.0/17

88 residential-proxy exits · 30 days

Korea Telecom

Announcement
this exact prefix
No RPKI
Announced by
AS4766
Type
Residential
81% of it

Residential-proxy exits

Proxy exits
88
0.27% of its addresses · 30 days
Always-on exits
8
9.1% of its exits
Spread
51 of 128
/24s with at least one exit
Providers
64
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

23K observations
  • Residential
  • Business

/24s with the most always-on exits

/24Always-on exitsProxy exits
210.121.184.0/2414
210.121.174.0/2413
210.121.187.0/2412
210.121.202.0/2412
210.121.163.0/2412
210.121.194.0/2411
210.121.137.0/2411
210.121.150.0/2411
210.121.246.0/2406
210.121.222.0/2405
210.121.171.0/2404
210.121.146.0/2403
210.121.165.0/2403
210.121.188.0/2403
210.121.198.0/2403
210.121.208.0/2403
210.121.189.0/2402
210.121.206.0/2402
210.121.253.0/2402
210.121.235.0/2402
210.121.186.0/2402
210.121.210.0/2402
210.121.173.0/2402
210.121.207.0/2402

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BirdProxies
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GoProxies
  • GonzoProxy
  • HideProxy
  • HydraProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • LemonBright
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • PacketStream
  • PrivateByte
  • Proxiware
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • Shifter
  • StrikeProxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • VitalProxy

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
210.121.131.0/24
since Feb 2012
AS55627BusinessKorea Telecom
210.121.132.0/24
since Feb 2012
AS55627BusinessKorea Telecom
210.121.133.0/24
since Feb 2012
AS55627BusinessKorea Telecom
210.121.134.0/24
since Feb 2012
AS55627BusinessKorea Telecom
210.121.135.0/24
since Feb 2012
AS55627BusinessKorea Telecom
210.121.136.0/24
since Feb 2012
AS55627BusinessKorea Telecom
210.121.137.0/24
since Feb 2012
AS55627Business1
1 always on
Korea Telecom
210.121.138.0/24
since Feb 2012
AS55627BusinessKorea Telecom
210.121.139.0/24
since Feb 2012
AS55627BusinessKorea Telecom
210.121.140.0/24
since Feb 2012
AS55627BusinessKorea Telecom
210.121.152.0/24
since Jul 2020
AS18176Business1Korea Telecom
210.121.153.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.121.154.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.121.155.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.121.156.0/24
since Jul 2020
AS18176Business1Korea Telecom
210.121.157.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.121.158.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.121.159.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.121.164.0/24
since May 2018
AS45382HostingKorea Telecom
210.121.190.0/24
since Oct 2019
AS55592HostingKorea Telecom
210.121.201.0/24
since May 2005
AS10058BusinessKorea Telecom
210.121.209.0/24
since Jun 2025
AS152290BusinessKorea Telecom
210.121.213.0/24
since Apr 2015
AS38676HostingKorea Telecom
210.121.221.0/24
since Apr 2015
AS38676HostingKorea Telecom
210.121.228.0/23
since Nov 2008
AS4766ResidentialKorea Telecom
210.121.230.0/24
since Nov 2008
AS4766ResidentialKorea 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
Residential26,62481%12
Business5,12016%20
Hosting1,0243.1%4

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