Data as of Nov 3, 2026

210.204.0.0/16

2 anonymizer addresses · <0.01% · VPN266 residential-proxy exits · 30 days

Korea Telecom

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
>99% of it

Residential-proxy exits

Proxy exits
266
0.41% of its addresses · 30 days
Always-on exits
11
4.1% of its exits
Spread
115 of 256
/24s with at least one exit
Providers
91
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

40K observations
  • VPN · anonymizer
  • Residential

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BlurPath
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GhostConnect
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HideProxy
  • HydraProxy
  • IPCola
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • MoMoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • PacketStream
  • ProxiesVision
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyStyler
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • Shifter
  • Smartproxy
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • TrustProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
IPv4 market

Path

1 · Holder
2 · Leased from
not leased
3 · Announced by
AS4766 Korea Telecom
since Sep 2012 · 14.2 yr ago
4 · Use
VPN servicesnamed VPN Gate
Residential

Operators, sellers and brokers

VPN services

NameParentIn 210.204.0.0/16/24s
VPN GateUniversity of Tsukuba
2<0.01%
2

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

210.204.0.0/16

From the registry to its use

  1. Jun 4, 2004
    Route object
    AS9318 SK Broadband Co Ltd
    REACH route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-REACH-NOC
  2. Jun 4, 2004
    Route object
    AS9318 SK Broadband Co Ltd
    REACH route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-REACH-NOC
    210.204.0.0/17
  3. Jun 4, 2004
    Route object
    AS9318 SK Broadband Co Ltd
    REACH route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-REACH-NOC
    210.204.128.0/17
  4. Jun 4, 2004
    Route object
    AS9318 SK Broadband Co Ltd
    REACH route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-REACH-NOC
    210.204.248.0/22
  5. Jun 4, 2004
    Route object
    AS9318 SK Broadband Co Ltd
    REACH route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-REACH-NOC
    210.204.252.0/22
  6. May 9, 2005– Sep 8, 2012
    Announced
    AS9768 Korea Telecom
  7. Jul 13, 2006
    Route object
    AS23577 Korea Telecom
    RADB route object for AS23577 Korea Telecom, maintainer MAINT-AS3786
    210.204.158.0/24
  8. Jul 24, 2006
    Route object
    AS23577 Korea Telecom
    RADB route object for AS23577 Korea Telecom, maintainer MAINT-AS3786
    210.204.98.0/24
  9. Jul 28, 2006
    Route object
    AS23577 Korea Telecom
    RADB route object for AS23577 Korea Telecom, maintainer MAINT-AS3786
    210.204.38.0/24
  10. Jul 28, 2006
    Route object
    AS23577 Korea Telecom
    RADB route object for AS23577 Korea Telecom, maintainer MAINT-AS3786
    210.204.137.0/24
  11. Aug 21, 2006
    Route object
    AS23577 Korea Telecom
    RADB route object for AS23577 Korea Telecom, maintainer MAINT-AS3786
    210.204.162.0/24
  12. Aug 28, 2006
    Route object
    AS23577 Korea Telecom
    RADB route object for AS23577 Korea Telecom, maintainer MAINT-AS3786
    210.204.44.0/24
  13. Apr 29, 2007
    Route object
    AS9773 HancomWITH
    RADB route object for AS9773 HancomWITH, maintainer MAINT-AS4766
    210.204.21.0/24
  14. Mar 9, 2008
    Route object
    AS38683 National Electoin Commission
    RADB route object for AS38683 National Electoin Commission, maintainer MAINT-AS3786
    210.204.204.0/24
  15. Oct 10, 2008
    Route object
    AS23577 Korea Telecom
    RADB route object for AS23577 Korea Telecom, maintainer MAINT-AS4766
    210.204.11.0/24
  16. Jun 12, 2009
    Route object
    AS23577 Korea Telecom
    RADB route object for AS23577 Korea Telecom, maintainer MAINT-AS3786
    210.204.231.0/24
  17. Jan 7, 2010
    Route object
    AS23577 Korea Telecom
    NTTCOM route object for AS23577 Korea Telecom, maintainer MAINT-HANARO
    210.204.44.0/24
  18. Jan 7, 2010
    Route object
    AS45400 Korea Telecom
    NTTCOM route object for AS45400 Korea Telecom, maintainer MAINT-HANARO
    210.204.45.0/24
  19. Jan 7, 2010
    Route object
    AS23577 Korea Telecom
    NTTCOM route object for AS23577 Korea Telecom, maintainer MAINT-HANARO
    210.204.98.0/24
  20. Jan 7, 2010
    Route object
    AS45400 Korea Telecom
    NTTCOM route object for AS45400 Korea Telecom, maintainer MAINT-HANARO
    210.204.100.0/24
  21. Jan 7, 2010
    Route object
    AS45400 Korea Telecom
    NTTCOM route object for AS45400 Korea Telecom, maintainer MAINT-HANARO
    210.204.129.0/24
  22. Jan 7, 2010
    Route object
    AS45400 Korea Telecom
    NTTCOM route object for AS45400 Korea Telecom, maintainer MAINT-HANARO
    210.204.130.0/24
  23. Jan 7, 2010
    Route object
    AS45400 Korea Telecom
    NTTCOM route object for AS45400 Korea Telecom, maintainer MAINT-HANARO
    210.204.131.0/24
  24. Jan 7, 2010
    Route object
    AS45400 Korea Telecom
    NTTCOM route object for AS45400 Korea Telecom, maintainer MAINT-HANARO
    210.204.144.0/24
  25. Jan 7, 2010
    Route object
    AS23577 Korea Telecom
    NTTCOM route object for AS23577 Korea Telecom, maintainer MAINT-HANARO
    210.204.231.0/24
  26. Jan 7, 2010
    Route object
    AS45400 Korea Telecom
    NTTCOM route object for AS45400 Korea Telecom, maintainer MAINT-HANARO
    210.204.242.0/24
  27. Jan 28, 2010
    Route object
    AS45400 Korea Telecom
    RADB route object for AS45400 Korea Telecom, maintainer MAINT-AS3786
    210.204.45.0/24
  28. Jan 28, 2010
    Route object
    AS45400 Korea Telecom
    RADB route object for AS45400 Korea Telecom, maintainer MAINT-AS3786
    210.204.50.0/24
  29. Jan 28, 2010
    Route object
    AS45400 Korea Telecom
    RADB route object for AS45400 Korea Telecom, maintainer MAINT-AS3786
    210.204.100.0/24
  30. Jan 28, 2010
    Route object
    AS45400 Korea Telecom
    RADB route object for AS45400 Korea Telecom, maintainer MAINT-AS3786
    210.204.106.0/24
  31. Jan 28, 2010
    Route object
    AS45400 Korea Telecom
    RADB route object for AS45400 Korea Telecom, maintainer MAINT-AS3786
    210.204.129.0/24
  32. Jan 28, 2010
    Route object
    AS45400 Korea Telecom
    RADB route object for AS45400 Korea Telecom, maintainer MAINT-AS3786
    210.204.130.0/24
  33. Jan 28, 2010
    Route object
    AS45400 Korea Telecom
    RADB route object for AS45400 Korea Telecom, maintainer MAINT-AS3786
    210.204.131.0/24
  34. Jan 28, 2010
    Route object
    AS45400 Korea Telecom
    RADB route object for AS45400 Korea Telecom, maintainer MAINT-AS3786
    210.204.133.0/24
  35. Jan 28, 2010
    Route object
    AS45400 Korea Telecom
    RADB route object for AS45400 Korea Telecom, maintainer MAINT-AS3786
    210.204.144.0/24
  36. Jan 28, 2010
    Route object
    AS45400 Korea Telecom
    RADB route object for AS45400 Korea Telecom, maintainer MAINT-AS3786
    210.204.242.0/24
  37. Sep 1, 2010
    Route object
    AS45400 Korea Telecom
    NTTCOM route object for AS45400 Korea Telecom, maintainer MAINT-HANARO
    210.204.189.0/24
  38. Jul 6, 2012
    Route object
    AS4766 Korea Telecom
    RADB route object for AS4766 Korea Telecom, maintainer MAINT-AS4766
    210.204.251.0/24
  39. Sep 5, 2012– today
    Announced
    AS4766 Korea Telecom
    Internet provider
  40. Sep 13, 2012
    Route object
    AS4766 Korea Telecom
    RADB route object for AS4766 Korea Telecom, maintainer MAINT-AS4766
  41. today
    Used
    VPN Gate
    VPN

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
210.204.15.0/24
since May 2005
AS4766Residential1Korea Telecom
210.204.24.0/24
since Sep 2016
AS4766Residential1Korea Telecom
210.204.27.0/24
since May 2005
AS4766ResidentialKorea Telecom
210.204.32.0/24
since May 2012
AS4766ResidentialKorea Telecom
210.204.52.128/25AS45400ResidentialKorea Telecom
210.204.58.128/25AS17841BusinessKorea Telecom
210.204.64.0/20
since Mar 2018
AS4766Residential
210.204.102.0/24
since Jun 2011
AS4766ResidentialKorea Telecom
210.204.107.0/24
since Sep 2009
AS10176BusinessKorea Telecom
210.204.121.0/24
since Feb 2016
AS4766ResidentialKorea Telecom
210.204.153.128/25AS4766ResidentialKorea Telecom
210.204.160.0/24
since Feb 2011
AS4766ResidentialKorea Telecom
210.204.173.0/24
since Sep 2012
AS4766ResidentialKorea Telecom
210.204.190.0/24
since Mar 2012
AS4766ResidentialKorea Telecom
210.204.191.0/24
since Mar 2012
AS4766Residential3Korea Telecom
210.204.213.0/24
since Sep 2009
AS45400ResidentialKorea Telecom
210.204.226.0/24
since Apr 2010
AS45400Residential2
1 always on
Korea Telecom
210.204.227.0/24
since Apr 2010
AS45400Residential1Korea Telecom
210.204.245.0/24
since Jun 2011
AS4766Residential1Korea Telecom
210.204.246.0/24
since Jun 2011
AS4766ResidentialKorea Telecom
210.204.255.0/24
since Dec 2017
AS4766ResidentialKorea Telecom

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
210.204.0.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.4.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.8.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.12.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.16.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.20.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.24.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.28.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.32.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.36.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.40.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.44.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.48.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.52.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.56.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.60.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.64.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.68.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.72.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.76.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.80.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.84.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.88.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.92.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.96.0/204,096KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.112.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.116.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.120.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.124.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.128.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.132.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.136.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.140.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.144.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.148.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.152.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.156.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.160.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.164.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.168.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.172.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.176.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.180.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.184.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.188.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.192.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.196.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.200.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.204.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.208.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.212.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.216.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.220.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.224.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.228.0/221,024KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.232.0/212,048KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.204.240.0/204,096KORNETKorea TelecomALLOCATED PORTABLE—[email protected]

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses
TypeAddressesShareRanges
Residential65,150>99%86
Business3840.59%2
VPNanonymizer2<0.01%2

Network & registry

IPv4 market

Holder

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