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Data as of Nov 8, 2026

121.127.64.0/18

2 anonymizer addresses · 0.01% · VPN39 residential-proxy exits · 30 days

SK Broadband Co Ltd

Announcement
this exact prefix
No RPKI
Announced by
AS9756
Type
Residential
>99% of it

Residential-proxy exits

Proxy exits
39
0.24% of its addresses · 30 days
Always-on exits
4
10% of its exits
Spread
24 of 64
/24s with at least one exit
Providers
68
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

7.6K observations
  • VPN · anonymizer
  • Residential

/24s with the most always-on exits

/24Always-on exitsProxy exits
121.127.70.0/2414
121.127.67.0/2412
121.127.95.0/2412
121.127.74.0/2411
121.127.81.0/2406
121.127.112.0/2404
121.127.71.0/2402
121.127.100.0/2402
121.127.96.0/2401
121.127.84.0/2401
121.127.91.0/2401
121.127.93.0/2401
121.127.86.0/2401
121.127.72.0/2401
121.127.97.0/2401
121.127.88.0/2401
121.127.103.0/2401
121.127.107.0/2401
121.127.66.0/2401
121.127.113.0/2401
121.127.115.0/2401
121.127.124.0/2401
121.127.125.0/2401
121.127.126.0/2401

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FloppyData
  • FuseProxy
  • GSocks
  • GeekProxy
  • Geonode
  • GloryCloud
  • GonzoProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • LemonBright
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Oxylabs
  • PSBProxy
  • PacketStream
  • PrivateByte
  • Proxiware
  • Proxmint
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • Proxying
  • Proxyma
  • Q2IP
  • RH7Proxy
  • RainProxy
  • ResiProxies
  • SPYDERPROXY_PREMIUM
  • Shifter
  • Thordata
  • ThunderProxy
  • VProxy
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • VitalProxy
  • ZENPROXY_PREMIUM
IPv4 market

Path

1 · Holder
SK Broadband Co Ltd
2 · Leased from
not leased
3 · Announced by
AS9756 SK Broadband Co Ltd
since Oct 2007 · 19.1 yr ago
4 · Use
VPN servicesnamed VPN Gate
Residential

Operators, sellers and brokers

VPN services

NameParentIn 121.127.64.0/18/24s
VPN GateUniversity of Tsukuba
20.01%
2

Lineage

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

121.127.64.0/18

From the registry to its use

  1. Aug 1, 2006– Oct 1, 2007
    Announced
    AS9487 Korea Technology Finance Corporation
    Business
  2. Oct 8, 2007– today
    Announced
    AS9756 SK Broadband Co Ltd
    Internet provider
  3. Dec 9, 2007
    Route object
    AS9756 SK Broadband Co Ltd
    RADB route object for AS9756 SK Broadband Co Ltd, maintainer MAINT-AS3786
  4. Dec 9, 2007
    Route object
    AS9756 SK Broadband Co Ltd
    RADB route object for AS9756 SK Broadband Co Ltd, maintainer MAINT-AS3786
    121.127.64.0/19
  5. Dec 9, 2007
    Route object
    AS9756 SK Broadband Co Ltd
    RADB route object for AS9756 SK Broadband Co Ltd, maintainer MAINT-AS3786
    121.127.96.0/19
  6. Feb 10, 2009
    Route object
    AS9756 SK Broadband Co Ltd
    NTTCOM route object for AS9756 SK Broadband Co Ltd, maintainer MAINT-HANARO
    121.127.64.0/19
  7. Feb 10, 2009
    Route object
    AS9756 SK Broadband Co Ltd
    NTTCOM route object for AS9756 SK Broadband Co Ltd, maintainer MAINT-HANARO
    121.127.96.0/19
  8. Feb 1, 2010
    Route object
    AS9487 Korea Technology Finance Corporation
    RADB route object for AS9487 Korea Technology Finance Corporation, maintainer MAINT-AS4637
  9. Dec 29, 2017
    Route object
    AS9756 SK Broadband Co Ltd
    RADB route object for AS9756 SK Broadband Co Ltd, maintainer MAINT-AS4670
    121.127.66.0/24
  10. today
    Registry record
    SK Broadband Co Ltd
    ALLOCATED PORTABLE
    121.127.64.0/18
  11. today
    Used
    VPN Gate
    VPN

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
121.127.109.0/24
since Jan 2021
AS9756ResidentialSK Broadband Co Ltd
121.127.111.0/24
since Jun 2015
AS9756ResidentialSK Broadband Co Ltd

Composition

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

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Residential16,382>99%7
VPNanonymizer20.01%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS9756

KR
Name
SK Broadband Co Ltd
Type
Internet provider
Registered
Dec 10, 1999
Domain
skbroadband.com
Spamhaus ASN-DROP
not listed