Data as of Nov 3, 2026
61.72.0.0/13
15 anonymizer addresses · <0.01% · VPNKorea Telecom
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
/24s with the most always-on exits
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
Operators, sellers and brokers
VPN services
| Name | Parent | In 61.72.0.0/13 | /24s |
|---|---|---|---|
| VPN Gate | University 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
- Aug 7, 2001Route objectAS4766 Korea TelecomRADB route object for AS4766 Korea Telecom, maintainer MAINT-AS476661.78.37.0/24
- Dec 26, 2002Route objectAS18328 Dotname Korea CorpRADB route object for AS18328 Dotname Korea Corp, maintainer MAINT-AS378661.78.26.0/24
- Dec 26, 2002Route objectAS18328 Dotname Korea CorpRADB route object for AS18328 Dotname Korea Corp, maintainer MAINT-AS378661.78.28.0/22
- Feb 26, 2003
- May 9, 2005– today
- Jul 21, 2005Route objectAS23975 Yonam Institute of TechnologyRADB route object for AS23975 Yonam Institute of Technology, maintainer MAINT-AS378661.75.196.0/23
- Aug 9, 2009Route objectAS17841 National Information Resources ServiceNTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO61.72.227.0/24
- Aug 9, 2009Route objectAS17841 National Information Resources ServiceNTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO61.72.228.0/24
- Aug 9, 2009Route objectAS17841 National Information Resources ServiceNTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO61.72.229.0/24
- Aug 9, 2009Route objectAS17841 National Information Resources ServiceNTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO61.72.231.0/24
- Aug 9, 2009Route objectAS17841 National Information Resources ServiceNTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO61.72.232.0/24
- Aug 9, 2009Route objectAS17841 National Information Resources ServiceNTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO61.72.233.0/24
- Aug 9, 2009Route objectAS17841 National Information Resources ServiceNTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO61.72.234.0/24
- Aug 9, 2009Route objectAS17841 National Information Resources ServiceNTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO61.72.235.0/24
- Aug 9, 2009Route objectAS17841 National Information Resources ServiceNTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO61.72.236.0/24
- Aug 9, 2009Route objectAS17841 National Information Resources ServiceNTTCOM route object for AS17841 National Information Resources Service, maintainer MAINT-HANARO61.72.237.0/24
- Aug 13, 2009Route objectAS17841 National Information Resources ServiceRADB route object for AS17841 National Information Resources Service, maintainer MAINT-AS349161.72.224.0/20
- Jan 21, 2010Route objectAS9686 SungKyunKwan University (SKKU)RADB route object for AS9686 SungKyunKwan University (SKKU), maintainer MAINT-AS476661.72.102.0/23
- Jan 21, 2010Route objectAS9686 SungKyunKwan University (SKKU)RADB route object for AS9686 SungKyunKwan University (SKKU), maintainer MAINT-AS476661.72.104.0/21
- Feb 15, 2017Route objectAS38122 Seoul Guarantee Insurance CompanyRADB route object for AS38122 Seoul Guarantee Insurance Company, maintainer MAINT-AS931861.72.18.0/24
- today
- todayUsedVPN GateVPN
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
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 61.72.46.0/24 since Nov 2024 | AS152221 | Business | Korea Telecom | ||
| 61.72.126.0/23 since May 2005 | AS18031 | Business | 1 | Korea Telecom | |
| 61.72.128.0/23 since May 2005 | AS18031 | Business | Korea Telecom | ||
| 61.72.178.0/25 | AS4766 | Residential | 74 | Korea Telecom | |
| 61.72.178.128/25 | AS4766 | Residential | Korea Telecom | ||
| 61.72.179.0/24 since Mar 2024 | AS4766 | Residential | 2 | Korea Telecom | |
| 61.72.180.0/22 since Nov 2008 | AS4766 | Residential | 2 | Korea Telecom | |
| 61.72.224.0/24 since Aug 2009 | AS17841 | Business | 1 | Korea Telecom | |
| 61.72.225.0/24 since Dec 2007 | AS17841 | Business | Korea Telecom | ||
| 61.72.226.0/24 since Dec 2007 | AS17841 | Business | Korea Telecom | ||
| 61.72.230.0/24 since Aug 2009 | AS17841 | Business | Korea Telecom | ||
| 61.72.237.128/25 | AS17841 | Business | Korea Telecom | ||
| 61.72.238.0/24 since Aug 2009 | AS17841 | Business | Korea Telecom | ||
| 61.72.239.0/24 since Aug 2009 | AS17841 | Business | Korea Telecom | ||
| 61.73.57.0/24 since Dec 2023 | AS18031 | Business | Korea Telecom | ||
| 61.73.60.128/25 | AS17847 | Business | Korea Telecom | ||
| 61.73.100.0/25 | AS10061 | Business | Korea Telecom | ||
| 61.73.184.0/24 since Dec 2011 | AS55615 | Business | Korea Telecom | ||
| 61.73.185.0/24 since Dec 2011 | AS55615 | Business | Korea Telecom | ||
| 61.73.212.0/24 since Jan 2014 | AS55615 | Business | Korea Telecom | ||
| 61.74.92.0/24 since Mar 2022 | AS9318 | Residential | 9 | Korea Telecom | |
| 61.74.93.0/24 since Mar 2022 | AS9318 | Residential | Korea Telecom | ||
| 61.74.94.0/24 since Mar 2022 | AS9318 | Residential | Korea Telecom | ||
| 61.74.191.0/24 since Aug 2007 | AS38427 | Hosting | Korea Telecom | ||
| 61.75.198.0/24 since Mar 2015 | AS9631 | Business | Korea Telecom | ||
| 61.75.199.0/24 since Mar 2015 | AS9631 | Business | 1 | Korea Telecom | |
| 61.75.200.0/24 since Mar 2015 | AS9631 | Business | Korea Telecom | ||
| 61.75.201.0/24 since Mar 2015 | AS9631 | Business | Korea Telecom | ||
| 61.75.253.0/24 since Aug 2007 | AS38427 | Hosting | Korea Telecom | ||
| 61.75.254.0/24 since Aug 2007 | AS38427 | Hosting | Korea Telecom | ||
| 61.76.89.0/24 since Apr 2026 | AS152283 | Unknown | Korea Telecom | ||
| 61.76.89.0/25 | AS152283 | Unknown | Korea Telecom | ||
| 61.76.89.128/25 | AS152283 | Unknown | Korea Telecom | ||
| 61.76.236.0/24 since Mar 2015 | AS9631 | Business | Korea Telecom | ||
| 61.76.237.0/24 since Mar 2015 | AS9631 | Business | Korea Telecom | ||
| 61.76.238.0/24 since Mar 2015 | AS9631 | Business | Korea Telecom | ||
| 61.76.239.0/24 since Mar 2015 | AS9631 | Business | 2 1 always on | Korea Telecom | |
| 61.77.19.0/24 since Nov 2016 | AS38408 | Business | 12 | Korea Telecom | |
| 61.77.29.0/24 since Nov 2016 | AS38403 | Business | 6 | Korea Telecom | |
| 61.77.45.0/24 since Jan 2020 | AS38406 | Business | 2 | Korea Telecom | |
| 61.77.120.0/24 since Oct 2022 | AS38411 | Business | Korea Telecom | ||
| 61.77.180.0/23 since Dec 2008 | AS4766 | Residential | Korea Telecom | ||
| 61.78.0.0/24 since Apr 2014 | AS55615 | Business | Korea Telecom | ||
| 61.78.12.0/24 since Jan 2014 | AS55615 | Business | Korea Telecom | ||
| 61.78.51.0/24 | AS55593 | Business | Korea Telecom | ||
| 61.78.74.0/24 since May 2005 | AS10185 | Business | Korea Telecom | ||
| 61.78.113.0/24 since Nov 2008 | AS4766 | Residential | 1 | Korea Telecom | |
| 61.78.114.0/24 since Nov 2008 | AS4766 | Residential | 1 | Korea Telecom | |
| 61.78.115.0/24 since Nov 2008 | AS4766 | Residential | Korea Telecom | ||
| 61.78.157.0/24 since Dec 2019 | AS9784 | Business | Korea Telecom | ||
| 61.79.37.0/24 since Mar 2026 | AS152283 | Unknown | Korea Telecom | ||
| 61.79.88.0/24 since Dec 2016 | AS38403 | Business | Korea Telecom | ||
| 61.79.244.0/24 since Jan 2015 | AS38110 | Business | Korea Telecom | ||
| 61.79.245.0/24 since Jan 2015 | AS38110 | Business | Korea Telecom | ||
| 61.79.246.0/24 since Nov 2016 | AS38391 | Business | 11 | Korea Telecom | |
| 61.79.247.0/24 since Nov 2016 | AS38404 | Business | 14 | Korea 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 61.72.0.0/14 | 262,144 | KORNET | Korea Telecom | ALLOCATED PORTABLE | — | [email protected] |
| 61.76.0.0/15 | 131,072 | KORNET | Korea Telecom | ALLOCATED PORTABLE | — | [email protected] |
| 61.78.0.0/15 | 131,072 | KORNET | Korea Telecom | ALLOCATED 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
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 513,137 | 98% | 59 | |
| Business | 8,576 | 1.6% | 33 | |
| Hosting | 2,048 | 0.39% | 8 | |
| Unknown | 512 | 0.10% | 3 | |
| VPNanonymizer | 15 | <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
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4766 | RADB | KORnet Powered BY Korea Telecom | MAINT-AS4766 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 61.72.18.0/24 | AS38122 | RADB | Seoul Guarantee Insurance Company | MAINT-AS9318 | Nov 13, 2023 |
| 61.72.102.0/23 | AS9686 | RADB | SungKyunKwan University (SKKU) | MAINT-AS4766 | Nov 13, 2023 |
| 61.72.104.0/21 | AS9686 | RADB | SungKyunKwan University (SKKU) | MAINT-AS4766 | Nov 13, 2023 |
| 61.72.178.0/23 | AS9286 | RADB | contact [email protected] if necessary | MAINT-AS3786 | Nov 13, 2023 |
| 61.72.224.0/20 | AS17841 | RADB | Proxy-registered route object | MAINT-AS3491 | Mar 28, 2025 |
| 61.72.227.0/24 | AS17841 | NTTCOM | proxy for HANARO TELECOM route | MAINT-HANARO | Aug 9, 2009 |
| 61.72.228.0/24 | AS17841 | NTTCOM | proxy for HANARO TELECOM route | MAINT-HANARO | Aug 9, 2009 |
| 61.72.229.0/24 | AS17841 | NTTCOM | proxy for HANARO TELECOM route | MAINT-HANARO | Aug 9, 2009 |
| 61.72.231.0/24 | AS17841 | NTTCOM | proxy for HANARO TELECOM route | MAINT-HANARO | Aug 9, 2009 |
| 61.72.232.0/24 | AS17841 | NTTCOM | proxy for HANARO TELECOM route | MAINT-HANARO | Aug 9, 2009 |
| 61.72.233.0/24 | AS17841 | NTTCOM | proxy for HANARO TELECOM route | MAINT-HANARO | Aug 9, 2009 |
| 61.72.234.0/24 | AS17841 | NTTCOM | proxy for HANARO TELECOM route | MAINT-HANARO | Aug 9, 2009 |
| 61.72.235.0/24 | AS17841 | NTTCOM | proxy for HANARO TELECOM route | MAINT-HANARO | Aug 9, 2009 |
| 61.72.236.0/24 | AS17841 | NTTCOM | proxy for HANARO TELECOM route | MAINT-HANARO | Aug 9, 2009 |
| 61.72.237.0/24 | AS17841 | NTTCOM | proxy for HANARO TELECOM route | MAINT-HANARO | Aug 9, 2009 |
| 61.75.196.0/23 | AS23975 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 61.78.26.0/24 | AS18328 | RADB | contact [email protected] if necessary | MAINT-AS3786 | Nov 13, 2023 |
| 61.78.28.0/22 | AS18328 | RADB | contact [email protected] if necessary | MAINT-AS3786 | Nov 13, 2023 |
| 61.78.37.0/24 | AS4766 | RADB | KORnet operation Center(Korea Telecom) | MAINT-AS4766 | Nov 13, 2023 |
Whois
Registration for this announcement
61.72.0.0/13 spans several registrations: 3 records are listed under Registrations.
- Registrant country
- AU
- RIR
- APNIC
- Country
- KR
- Delegated
- Dec 12, 2000
- Status
- assigned