LAYER3 INTEL
Get started
Sign in
Data as of Nov 3, 2026

210.123.0.0/16

2 anonymizer addresses · <0.01% · VPN300 residential-proxy exits · 30 days

Korea Telecom

Announcement
this exact prefix
No RPKI
Announced by
AS4766
Type
Residential
92% of it

Residential-proxy exits

Proxy exits
300
0.46% of its addresses · 30 days
Always-on exits
13
4.3% of its exits
Spread
119 of 256
/24s with at least one exit
Providers
88
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

44K observations
  • VPN · anonymizer
  • Residential
  • Business

/24s with the most always-on exits

/24Always-on exitsProxy exits
210.123.54.0/2429
210.123.8.0/2415
210.123.207.0/2414
210.123.60.0/2414
210.123.69.0/2414
210.123.124.0/2413
210.123.170.0/2413
210.123.62.0/2412
210.123.228.0/2412
210.123.209.0/2412
210.123.236.0/2411
210.123.27.0/2411
210.123.50.0/2409
210.123.29.0/2408
210.123.135.0/2408
210.123.195.0/2408
210.123.139.0/2406
210.123.231.0/2406
210.123.143.0/2406
210.123.0.0/2406
210.123.110.0/2405
210.123.25.0/2405
210.123.132.0/2405
210.123.197.0/2405

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HydraProxy
  • IPCola
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • MarsProxies
  • MoMoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PacketStream
  • PrivateByte
  • Proxies.fo
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxy-Cheap
  • Proxy-Seller
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Shifter
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • TrustProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • YumiProxy
IPv4 market

Path

1 · Holder
Unnamed holder
2 · Leased from
not leased
3 · Announced by
AS4766 Korea Telecom
since May 2005 · 21.5 yr ago
4 · Use
VPN servicesnamed VPN Gate
Residential

Operators, sellers and brokers

VPN services

NameParentIn 210.123.0.0/16/24s
VPN GateUniversity of Tsukuba
2<0.01%
2

Lineage

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

210.123.0.0/16

From the registry to its use

  1. Aug 28, 2000
    Route object
    AS10067 LG CNS
    RADB route object for AS10067 LG CNS, maintainer MAINT-AS3786
    210.123.165.0/24
  2. Aug 28, 2000
    Route object
    AS10067 LG CNS
    RADB route object for AS10067 LG CNS, maintainer MAINT-AS3786
    210.123.166.0/23
  3. Aug 28, 2000
    Route object
    AS10067 LG CNS
    RADB route object for AS10067 LG CNS, maintainer MAINT-AS3786
    210.123.168.0/24
  4. Jan 26, 2001
    Route object
    AS4766 Korea Telecom
    RADB route object for AS4766 Korea Telecom, maintainer MAINT-AS4766
  5. Dec 23, 2001
    Route object
    AS9704 Korea Investment Trust Management Securities Co.,LTD
    RADB route object for AS9704 Korea Investment Trust Management Securities Co.,LTD, maintainer MAINT-AS3786
    210.123.121.0/24
  6. Dec 23, 2001
    Route object
    AS9704 Korea Investment Trust Management Securities Co.,LTD
    RADB route object for AS9704 Korea Investment Trust Management Securities Co.,LTD, maintainer MAINT-AS3786
    210.123.122.0/24
  7. Feb 21, 2003
    Route object
    AS18176 Kookmin University
    RADB route object for AS18176 Kookmin University, maintainer MAINT-AS3786
    210.123.32.0/20
  8. May 9, 2005– today
    Announced
    AS4766 Korea Telecom
    Internet provider
  9. Jan 9, 2006
    Route object
    AS23565
    RADB route object for AS23565, maintainer MAINT-AS3786
    210.123.227.0/24
  10. 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
210.123.14.0/24
since May 2005
AS9526BusinessKorea Telecom
210.123.21.0/24
since Jul 2020
AS4766ResidentialKorea Telecom
210.123.32.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.123.33.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.123.34.0/24
since Jul 2020
AS18176Business2Korea Telecom
210.123.35.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.123.36.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.123.37.0/24
since Jul 2020
AS18176Business1Korea Telecom
210.123.38.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.123.39.0/24
since Jul 2020
AS18176Business1Korea Telecom
210.123.40.0/24
since Jul 2020
AS18176Business1Korea Telecom
210.123.41.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.123.42.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.123.43.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.123.44.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.123.45.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.123.46.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.123.47.0/24
since Jul 2020
AS18176BusinessKorea Telecom
210.123.71.0/24
since Mar 2015
AS17845BusinessKorea Telecom
210.123.80.0/24
since May 2005
AS9634BusinessKorea Telecom
210.123.92.128/25AS4766ResidentialKorea Telecom
210.123.108.0/24
since May 2005
AS9855BusinessKorea Telecom
210.123.144.0/22
since Dec 2008
AS4766Residential2Korea Telecom
210.123.148.0/24
since Dec 2008
AS4766ResidentialKorea Telecom
210.123.212.0/22
since Nov 2006
AS4766ResidentialKorea Telecom
210.123.216.0/23
since Nov 2006
AS4766ResidentialKorea Telecom
210.123.218.0/24
since Nov 2006
AS4766ResidentialKorea Telecom
210.123.228.0/24
since Jan 2009
AS4766Residential2
1 always on
Korea Telecom
210.123.229.0/25AS4766Residential1Korea Telecom
210.123.254.0/24
since Jan 2018
AS4766ResidentialKorea Telecom
210.123.255.0/24
since Jan 2018
AS4766Residential3Korea 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
210.123.0.0/1732,768KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.123.128.0/1816,384KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.123.192.0/198,192KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
210.123.224.0/198,192KORNETKorea 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
Residential60,41492%27
Business4,8647.4%19
Hosting2560.39%1
VPNanonymizer2<0.01%2

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