Data as of Nov 3, 2026

61.72.0.0/13

15 anonymizer addresses · <0.01% · VPN

Korea Telecom

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
98% of it

Residential-proxy exits

Proxy exits
3,060
0.58% of its addresses · listed by providers
Always-on exits
170
5.6% of its exits
Spread
1,274 of 2,048
/24s with at least one exit
Providers
105
selling exits here

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
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • MarsProxies
  • Maskify
  • MoMoProxy
  • NSocks
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • PacketStream
  • PrivateByte
  • Proxies.fo
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyStyler
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • RainProxy
  • RapidProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Shifter
  • Smartproxy
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • TrueProxies
  • TrustProxy
  • VProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • YumiProxy
IPv4 market

Path

1 · 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 61.72.0.0/13/24s
VPN GateUniversity of Tsukuba
15<0.01%
15

Lineage

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

61.72.0.0/13

From the registry to its use

  1. Aug 7, 2001
    Route object
    AS4766 Korea Telecom
    RADB route object for AS4766 Korea Telecom, maintainer MAINT-AS4766
    61.78.37.0/24
  2. Dec 26, 2002
    Route object
    AS18328 Dotname Korea Corp
    RADB route object for AS18328 Dotname Korea Corp, maintainer MAINT-AS3786
    61.78.26.0/24
  3. Dec 26, 2002
    Route object
    AS18328 Dotname Korea Corp
    RADB route object for AS18328 Dotname Korea Corp, maintainer MAINT-AS3786
    61.78.28.0/22
  4. Feb 26, 2003
    Route object
    AS9286 KINX
    RADB route object for AS9286 KINX, maintainer MAINT-AS3786
    61.72.178.0/23
  5. May 9, 2005– today
    Announced
    AS4766 Korea Telecom
    Internet provider
  6. Jul 21, 2005
    Route object
    AS23975 Yonam Institute of Technology
    RADB route object for AS23975 Yonam Institute of Technology, maintainer MAINT-AS3786
    61.75.196.0/23
  7. Aug 9, 2009
    Route object
    AS17841 National Information Resources Service
    NTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO
    61.72.227.0/24
  8. Aug 9, 2009
    Route object
    AS17841 National Information Resources Service
    NTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO
    61.72.228.0/24
  9. Aug 9, 2009
    Route object
    AS17841 National Information Resources Service
    NTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO
    61.72.229.0/24
  10. Aug 9, 2009
    Route object
    AS17841 National Information Resources Service
    NTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO
    61.72.231.0/24
  11. Aug 9, 2009
    Route object
    AS17841 National Information Resources Service
    NTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO
    61.72.232.0/24
  12. Aug 9, 2009
    Route object
    AS17841 National Information Resources Service
    NTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO
    61.72.233.0/24
  13. Aug 9, 2009
    Route object
    AS17841 National Information Resources Service
    NTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO
    61.72.234.0/24
  14. Aug 9, 2009
    Route object
    AS17841 National Information Resources Service
    NTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO
    61.72.235.0/24
  15. Aug 9, 2009
    Route object
    AS17841 National Information Resources Service
    NTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO
    61.72.236.0/24
  16. Aug 9, 2009
    Route object
    AS17841 National Information Resources Service
    NTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO
    61.72.237.0/24
  17. Aug 13, 2009
    Route object
    AS17841 National Information Resources Service
    RADB route object for AS17841 National Information Resources Service, maintainer MAINT-AS3491
    61.72.224.0/20
  18. Jan 21, 2010
    Route object
    AS9686 SungKyunKwan University (SKKU)
    RADB route object for AS9686 SungKyunKwan University (SKKU), maintainer MAINT-AS4766
    61.72.102.0/23
  19. Jan 21, 2010
    Route object
    AS9686 SungKyunKwan University (SKKU)
    RADB route object for AS9686 SungKyunKwan University (SKKU), maintainer MAINT-AS4766
    61.72.104.0/21
  20. Feb 15, 2017
    Route object
    AS38122 Seoul Guarantee Insurance Company
    RADB route object for AS38122 Seoul Guarantee Insurance Company, maintainer MAINT-AS9318
    61.72.18.0/24
  21. today
    Route object
    AS4766 Korea Telecom
    RADB route object for AS4766 Korea Telecom, maintainer MAINT-AS4766
  22. 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
61.72.46.0/24
since Nov 2024
AS152221BusinessKorea Telecom
61.72.126.0/23
since May 2005
AS18031Business1Korea Telecom
61.72.128.0/23
since May 2005
AS18031BusinessKorea Telecom
61.72.178.0/25AS4766Residential74Korea Telecom
61.72.178.128/25AS4766ResidentialKorea Telecom
61.72.179.0/24
since Mar 2024
AS4766Residential2Korea Telecom
61.72.180.0/22
since Nov 2008
AS4766Residential2Korea Telecom
61.72.224.0/24
since Aug 2009
AS17841Business1Korea Telecom
61.72.225.0/24
since Dec 2007
AS17841BusinessKorea Telecom
61.72.226.0/24
since Dec 2007
AS17841BusinessKorea Telecom
61.72.230.0/24
since Aug 2009
AS17841BusinessKorea Telecom
61.72.237.128/25AS17841BusinessKorea Telecom
61.72.238.0/24
since Aug 2009
AS17841BusinessKorea Telecom
61.72.239.0/24
since Aug 2009
AS17841BusinessKorea Telecom
61.73.57.0/24
since Dec 2023
AS18031BusinessKorea Telecom
61.73.60.128/25AS17847BusinessKorea Telecom
61.73.100.0/25AS10061BusinessKorea Telecom
61.73.184.0/24
since Dec 2011
AS55615BusinessKorea Telecom
61.73.185.0/24
since Dec 2011
AS55615BusinessKorea Telecom
61.73.212.0/24
since Jan 2014
AS55615BusinessKorea Telecom
61.74.92.0/24
since Mar 2022
AS9318Residential9Korea Telecom
61.74.93.0/24
since Mar 2022
AS9318ResidentialKorea Telecom
61.74.94.0/24
since Mar 2022
AS9318ResidentialKorea Telecom
61.74.191.0/24
since Aug 2007
AS38427HostingKorea Telecom
61.75.198.0/24
since Mar 2015
AS9631BusinessKorea Telecom
61.75.199.0/24
since Mar 2015
AS9631Business1Korea Telecom
61.75.200.0/24
since Mar 2015
AS9631BusinessKorea Telecom
61.75.201.0/24
since Mar 2015
AS9631BusinessKorea Telecom
61.75.253.0/24
since Aug 2007
AS38427HostingKorea Telecom
61.75.254.0/24
since Aug 2007
AS38427HostingKorea Telecom
61.76.89.0/24
since Apr 2026
AS152283UnknownKorea Telecom
61.76.89.0/25AS152283UnknownKorea Telecom
61.76.89.128/25AS152283UnknownKorea Telecom
61.76.236.0/24
since Mar 2015
AS9631BusinessKorea Telecom
61.76.237.0/24
since Mar 2015
AS9631BusinessKorea Telecom
61.76.238.0/24
since Mar 2015
AS9631BusinessKorea Telecom
61.76.239.0/24
since Mar 2015
AS9631Business2
1 always on
Korea Telecom
61.77.19.0/24
since Nov 2016
AS38408Business12Korea Telecom
61.77.29.0/24
since Nov 2016
AS38403Business6Korea Telecom
61.77.45.0/24
since Jan 2020
AS38406Business2Korea Telecom
61.77.120.0/24
since Oct 2022
AS38411BusinessKorea Telecom
61.77.180.0/23
since Dec 2008
AS4766ResidentialKorea Telecom
61.78.0.0/24
since Apr 2014
AS55615BusinessKorea Telecom
61.78.12.0/24
since Jan 2014
AS55615BusinessKorea Telecom
61.78.51.0/24AS55593BusinessKorea Telecom
61.78.74.0/24
since May 2005
AS10185BusinessKorea Telecom
61.78.113.0/24
since Nov 2008
AS4766Residential1Korea Telecom
61.78.114.0/24
since Nov 2008
AS4766Residential1Korea Telecom
61.78.115.0/24
since Nov 2008
AS4766ResidentialKorea Telecom
61.78.157.0/24
since Dec 2019
AS9784BusinessKorea Telecom
61.79.37.0/24
since Mar 2026
AS152283UnknownKorea Telecom
61.79.88.0/24
since Dec 2016
AS38403BusinessKorea Telecom
61.79.244.0/24
since Jan 2015
AS38110BusinessKorea Telecom
61.79.245.0/24
since Jan 2015
AS38110BusinessKorea Telecom
61.79.246.0/24
since Nov 2016
AS38391Business11Korea Telecom
61.79.247.0/24
since Nov 2016
AS38404Business14Korea 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
61.72.0.0/14262,144KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
61.76.0.0/15131,072KORNETKorea TelecomALLOCATED PORTABLE—[email protected]
61.78.0.0/15131,072KORNETKorea 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

524,288 addresses
TypeAddressesShareRanges
Residential513,13798%59
Business8,5761.6%33
Hosting2,0480.39%8
Unknown5120.10%3
VPNanonymizer15<0.01%15

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