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Data as of Nov 4, 2026

121.176.0.0/12

29 anonymizer addresses · <0.01% · VPN

Korea Telecom

Announcement
this exact prefix
No RPKI
Announced by
AS4766
Type
Residential
99% of it

Residential-proxy exits

Proxy exits
5,698
0.54% of its addresses · listed by providers
Always-on exits
267
4.7% of its exits
Spread
2,531 of 4,096
/24s with at least one exit
Providers
104
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
121.177.38.0/2426
121.177.247.0/2426
121.188.96.0/2425
121.190.178.0/2425
121.190.236.0/2424
121.190.30.0/2424
121.181.139.0/2424
121.187.172.0/2424
121.177.96.0/2423
121.191.223.0/2423
121.182.221.0/2423
121.179.228.0/2423
121.178.219.0/2422
121.178.136.0/2422
121.188.9.0/2419
121.178.58.0/2418
121.185.122.0/2418
121.183.9.0/2418
121.181.223.0/2418
121.176.243.0/2417
121.180.149.0/2417
121.180.76.0/2417
121.179.132.0/2416
121.179.62.0/2416

Proxy providers listing exits

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

Path

1 · Holder
Korea Telecom
2 · Leased from
not leased
3 · Announced by
AS4766 Korea Telecom
since Sep 2009 · 17.2 yr ago
4 · Use
VPN servicesnamed VPN Gate
Residential

Operators, sellers and brokers

VPN services

NameParentIn 121.176.0.0/12/24s
VPN GateUniversity of Tsukuba
29<0.01%
29

Lineage

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

121.176.0.0/12

From the registry to its use

  1. Nov 8, 2006– today
    Announced
    AS4766 Korea Telecom
    as part of 121.160.0.0/11
    121.160.0.0/11
  2. Sep 4, 2009
    Route object
    AS4766 Korea Telecom
    RADB route object for AS4766 Korea Telecom, maintainer MAINT-AS4766
  3. Sep 8, 2009– today
    Announced
    AS4766 Korea Telecom
    Internet provider
  4. today
    Registry record
    Korea Telecom
    ALLOCATED PORTABLE
    121.160.0.0/11
  5. today
    Used
    VPN Gate
    VPN

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
121.160.0.0/11
since Nov 2006
AS4766Residential12,502
595 always on
Korea Telecom
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
PrefixOriginTypeAnonymizer addressesOperatorProxy exitsHolderRPKI
121.176.0.0/13
since Dec 2009
AS4766Residential11<0.01%VPNVPN servicesoperated by VPN Gate3,135
140 always on
Korea Telecom
121.176.133.0/24
since Jul 2007
AS4766Residential5Korea Telecom
121.176.134.0/24
since Jul 2007
AS4766ResidentialKorea Telecom
121.177.31.0/24
since Aug 2007
AS38427HostingKorea Telecom
121.178.209.0/24
since Mar 2022
AS38681BusinessKorea Telecom
121.181.196.0/24
since Dec 2016
AS38696BusinessKorea Telecom
121.184.0.0/13
since Dec 2009
AS4766Residential18<0.01%VPNVPN servicesoperated by VPN Gate2,563
127 always on
Korea Telecom
121.184.101.128/25AS18311BusinessKorea Telecom
121.184.184.0/24
since Dec 2017
AS38105BusinessKorea Telecom
121.184.185.0/24
since Dec 2017
AS38105BusinessKorea Telecom
121.184.186.0/24
since Dec 2017
AS38105BusinessKorea Telecom
121.184.187.0/24
since Dec 2017
AS38105BusinessKorea Telecom
121.184.188.0/24
since Dec 2017
AS38105Business1Korea Telecom
121.184.189.0/24
since Dec 2017
AS38105BusinessKorea Telecom
121.184.192.0/24
since Dec 2017
AS38105Business1Korea Telecom
121.184.193.0/24
since Dec 2017
AS38105BusinessKorea Telecom
121.184.194.0/24
since Dec 2017
AS38105BusinessKorea Telecom
121.184.195.0/24
since Dec 2017
AS38105BusinessKorea Telecom
121.184.196.0/24
since Dec 2017
AS38105BusinessKorea Telecom
121.184.197.0/24
since Dec 2017
AS38105Business1Korea Telecom
121.184.198.0/24
since Dec 2017
AS38105BusinessKorea Telecom
121.184.199.0/24
since Dec 2017
AS38105BusinessKorea Telecom
121.184.200.0/24
since Dec 2017
AS38105BusinessKorea Telecom
121.184.201.0/24
since Dec 2017
AS38105BusinessKorea Telecom
121.185.13.0/24
since Apr 2015
AS18169BusinessKorea Telecom
121.186.80.128/25AS9570BusinessKorea Telecom
121.186.148.0/24
since Jan 2015
AS4766Residential1Korea Telecom
121.187.23.0/24
since Feb 2019
AS55615BusinessKorea Telecom
121.187.64.0/20
since Sep 2015
AS17862BusinessKorea Telecom
121.187.80.0/22
since Sep 2015
AS17862BusinessKorea Telecom
121.187.84.0/23
since Sep 2015
AS17862BusinessKorea Telecom
121.189.167.0/24
since Jan 2012
AS55622BusinessKorea Telecom
121.189.168.0/22
since Jan 2012
AS55622BusinessKorea Telecom
121.190.174.0/24
since Sep 18, 2026
AS3786Residential2Korea Telecom
121.190.208.0/24
since Feb 2011
AS45399BusinessKorea Telecom
121.190.209.0/24
since Feb 2011
AS45399BusinessKorea Telecom
121.190.250.0/24
since Dec 2016
AS38391BusinessKorea Telecom
121.190.251.0/24
since Dec 2016
AS38404BusinessKorea Telecom
121.191.149.0/24
since Jun 2017
AS4766Residential2
1 always on
Korea Telecom
121.191.150.0/24
since Jun 2017
AS4766ResidentialKorea Telecom
121.191.151.0/24
since Jun 2017
AS4766Residential1Korea Telecom
121.191.152.0/24
since Jun 2017
AS4766ResidentialKorea Telecom
121.191.166.0/24
since Apr 2015
AS4766ResidentialKorea Telecom
121.191.190.0/24
since Feb 2022
AS9707BusinessKorea Telecom

Composition

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

Announced space

Address share

Announced space

Types across the prefix

1,048,576 addresses
TypeAddressesShareRanges
Residential1,034,72399%59
Business13,3121.3%31
Hosting5120.05%2
VPNanonymizer29<0.01%29

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