Data as of Nov 10, 2026

221.138.0.0/15

3 anonymizer addresses · <0.01% · VPN

SK Broadband Co Ltd

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

Residential-proxy exits

Proxy exits
555
0.42% of its addresses · listed by providers
Always-on exits
49
8.8% of its exits
Spread
289 of 512
/24s with at least one exit
Providers
115
selling exits here

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • ASHBURNPROXIES
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EVOPROXY
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FLEETPROXY
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • FuseProxy
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GhostConnect
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HideProxy
  • HydraProxy
  • IPCola
  • IPFly
  • IPMUSK
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • MarsProxies
  • MoMoProxy
  • MrScraper
  • NSocks
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PROXYSCRAPE
  • PROXYWING_BASIC
  • PSBProxy
  • PacketStream
  • PrivateByte
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxmint
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • QUANTICDATA
  • RH7Proxy
  • RainProxy
  • RapidProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • SPYDERPROXY_PREMIUM
  • Shifter
  • Smartproxy
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • TrustProxy
  • VProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • YumiProxy
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM
IPv4 market

Path

2 · Leased from
not leased
3 · Announced by
AS9318 SK Broadband Co Ltd
since May 2005 · 21.5 yr ago
4 · Use
VPN servicesnamed VPN Gate
Residential

Operators, sellers and brokers

VPN services

NameParentIn 221.138.0.0/15/24s
VPN GateUniversity of Tsukuba
3<0.01%
3

Lineage

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

221.138.0.0/15

From the registry to its use

  1. Mar 9, 2005
    Route object
    AS3549 Level 3 Parent, LLC
    REACH route object for AS3549 Level 3 Parent, LLC, maintainer MAINT-REACH-NOC
  2. May 9, 2005– Nov 9, 2026
    Announced
    AS9318 SK Broadband Co Ltd
    Internet provider
  3. Apr 28, 2006
    Route object
    AS9318 SK Broadband Co Ltd
    REACH route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-REACH-NOC
  4. May 4, 2008
    Route object
    AS9318 SK Broadband Co Ltd
    NTTCOM route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-HANARO
  5. Mar 29, 2011
    Route object
    AS9318 SK Broadband Co Ltd
    RADB route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-AS9318
  6. today
    Registry record
    SK Broadband Co Ltd
    ALLOCATED PORTABLE
    221.138.0.0/15
  7. today
    Route object
    AS9318 SK Broadband Co Ltd
    RADB route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-AS9318
    221.139.13.0/24
  8. today
    Route object
    AS9318 SK Broadband Co Ltd
    RADB route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-AS9318
    221.139.108.0/24
  9. today
    Used
    VPN Gate
    VPN

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
221.138.244.0/23
since Apr 2020
AS9318ResidentialSK Broadband Co Ltd
221.139.63.0/24
since Jun 2021
AS131794BusinessSK Broadband Co Ltd
221.139.124.0/24
since Jul 2018
AS17834BusinessSK Broadband Co Ltd
221.139.191.0/24
since Dec 2016
AS23600BusinessSK Broadband Co Ltd
221.139.238.0/24
since Dec 2017
AS18325BusinessSK Broadband Co Ltd

Composition

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

Announced space

Address share

Announced space

Types across the prefix

131,072 addresses
TypeAddressesShareRanges
Residential130,045>99%10
Business1,0240.78%4
VPNanonymizer3<0.01%3

Network & registry

Origin network

AS9318

KR
Name
SK Broadband Co Ltd
Type
Internet provider
Registered
Jun 3, 1998
Domain
skbroadband.com
Website
www.skbroadband.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
5