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Data as of Nov 7, 2026

125.128.0.0/13

25 anonymizer addresses · <0.01% · VPN

Korea Telecom

Announcement
this exact prefix
No RPKI
Announced by
AS4766
Type
Residential
97% of it

Residential-proxy exits

Proxy exits
3,231
0.62% of its addresses · listed by providers
Always-on exits
135
4.2% of its exits
Spread
1,301 of 2,048
/24s with at least one exit
Providers
105
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
125.130.222.0/2435
125.134.140.0/2428
125.133.213.0/2425
125.128.125.0/2423
125.129.87.0/2422
125.128.217.0/2422
125.128.139.0/2418
125.129.124.0/2418
125.133.63.0/2418
125.134.12.0/2418
125.130.139.0/2417
125.134.83.0/2417
125.132.10.0/2417
125.133.28.0/2416
125.130.111.0/2416
125.129.121.0/2416
125.130.121.0/2416
125.135.179.0/2416
125.133.245.0/2415
125.128.182.0/2415
125.130.0.0/2415
125.133.100.0/2415
125.133.60.0/2415
125.131.93.0/2415

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
  • PROXYWING_BASIC
  • PacketStream
  • PrivateByte
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxy-Cheap
  • Proxy-Seller
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyStyler
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • QUANTICDATA
  • RainProxy
  • RapidProxy
  • RealProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Shifter
  • Smartproxy
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • TrueProxies
  • TrustProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM
IPv4 market

Path

1 · Holder
Korea Telecom
2 · Leased from
not leased
3 · Announced by
AS4766 Korea Telecom
since Dec 2009 · 16.9 yr ago
4 · Use
VPN servicesnamed VPN Gate
Residential

Operators, sellers and brokers

VPN services

NameParentIn 125.128.0.0/13/24s
VPN GateUniversity of Tsukuba
25<0.01%
25

Lineage

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

125.128.0.0/13

From the registry to its use

  1. Apr 7, 2006
    Route object
    AS23566
    RADB route object for AS23566, maintainer MAINT-AS3786
    125.132.0.0/24
  2. Jun 8, 2006
    Route object
    AS18333 at(Korea Argo-Fisheries Food Trade Corporation)
    RADB route object for AS18333 at(Korea Argo-Fisheries Food Trade Corporation), maintainer MAINT-AS4766
    125.128.37.0/24
  3. Jun 19, 2007
    Route object
    AS23566
    RADB route object for AS23566, maintainer MAINT-AS3786
    125.132.3.0/24
  4. Dec 8, 2009– today
    Announced
    AS4766 Korea Telecom
    as part of 125.128.0.0/12
    125.128.0.0/12
  5. Dec 8, 2009– today
    Announced
    AS4766 Korea Telecom
    Internet provider
  6. May 29, 2013
    Route object
    AS4793 Hyundai Heavy Industries
    RADB route object for AS4793 Hyundai Heavy Industries, maintainer MAINT-AS9318
    125.135.105.0/24
  7. Jun 27, 2014
    Route object
    AS23566
    RADB route object for AS23566, maintainer MAINT-AS9318
    125.132.1.0/24
  8. Jun 27, 2014
    Route object
    AS23566
    RADB route object for AS23566, maintainer MAINT-AS9318
    125.132.2.0/24
  9. Jan 3, 2019
    Route object
    AS55609 Financial Security Institute
    RADB route object for AS55609 Financial Security Institute, maintainer MAINT-AS9318
    125.130.246.0/24
  10. Jun 9, 2020
    Route object
    AS4766 Korea Telecom
    RADB route object for AS4766 Korea Telecom, maintainer MAINT-AS4766
    125.131.208.0/24
  11. Jun 12, 2020
    Route object
    AS23601 tsis
    RADB route object for AS23601 tsis, maintainer MAINT-AS9318
    125.132.0.0/24
  12. Jun 12, 2020
    Route object
    AS23601 tsis
    RADB route object for AS23601 tsis, maintainer MAINT-AS9318
    125.132.3.0/24
  13. Apr 24, 2022
    Route object
    AS23601 tsis
    RADB route object for AS23601 tsis, maintainer MAINT-AS9318
    125.132.1.0/24
  14. Apr 24, 2022
    Route object
    AS23601 tsis
    RADB route object for AS23601 tsis, maintainer MAINT-AS9318
    125.132.2.0/24
  15. Dec 17, 2025
    Route object
    AS152289 KIMCHANG
    RADB route object for AS152289 KIMCHANG, maintainer MAINT-AS9318
    125.128.1.0/24
  16. today
    Registry record
    Korea Telecom
    ALLOCATED PORTABLE
    125.128.0.0/11
  17. today
    Used
    VPN Gate
    VPN

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
125.128.0.0/12
since Dec 2009
AS4766Residential6,361
269 always on
Korea Telecom
125.128.0.0/11
since Sep 2005
AS4766Residential6,369
269 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
PrefixOriginTypeProxy exitsHolderRPKI
125.128.64.0/19
since Aug 2009
AS17841Business6Korea Telecom
125.128.64.0/25AS17841BusinessKorea Telecom
125.128.64.128/25AS17841BusinessKorea Telecom
125.128.67.128/25AS17841BusinessKorea Telecom
125.128.124.0/24
since Mar 2022
AS9318ResidentialKorea Telecom
125.129.145.0/24
since Nov 2019
AS10167BusinessKorea Telecom
125.129.169.0/24
since Oct 2023
AS131845BusinessKorea Telecom
125.129.210.0/24
since Jun 2019
AS38388BusinessKorea Telecom
125.130.60.0/24
since Oct 2013
AS9703BusinessKorea Telecom
125.130.61.0/24
since Oct 2013
AS9703BusinessKorea Telecom
125.131.31.0/24
since Aug 2015
AS45973BusinessKorea Telecom
125.131.72.0/23
since Dec 2008
AS4766ResidentialKorea Telecom
125.131.87.0/25AS4671Business1Korea Telecom
125.132.8.0/24
since Jun 2020
AS4766ResidentialKorea Telecom
125.132.44.0/24
since Aug 2016
AS4766ResidentialKorea Telecom
125.132.45.0/24
since Aug 2016
AS4766ResidentialKorea Telecom
125.132.159.0/24
since Jan 2015
AS18323BusinessKorea Telecom
125.132.205.0/24
since Jan 2015
AS18323BusinessKorea Telecom
125.133.128.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.129.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.130.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.131.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.132.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.133.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.134.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.135.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.136.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.137.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.138.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.139.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.140.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.141.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.142.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.143.0/24
since Jun 2008
AS17584BusinessKorea Telecom
125.133.155.0/24
since Dec 2015
AS17600BusinessKorea Telecom

Composition

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

Announced space

Address share

Announced space

Types across the prefix

524,288 addresses
TypeAddressesShareRanges
Residential509,54397%46
Business14,7202.8%31
VPNanonymizer25<0.01%25

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