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Data as of Nov 12, 2026

223.131.48.0/20

1 anonymizer address · 0.02% · VPN10 residential-proxy exits · 30 days

SK Broadband Co Ltd

Announcement
this exact prefix
No RPKI
Announced by
AS9689
Type
Residential
>99% of it

Residential-proxy exits

Proxy exits
10
0.24% of its addresses · 30 days
Always-on exits
2
20% of its exits
Spread
4 of 16
/24s with at least one exit
Providers
54
selling exits here
Oct 13, 2026 – Nov 11, 2026

Exits seen per day

6.8K observations
  • VPN · anonymizer
  • Residential

/24s with the most always-on exits

/24Always-on exitsProxy exits
223.131.48.0/2413
223.131.50.0/2412
223.131.58.0/2404
223.131.49.0/2401

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BottingTools
  • Bright Data
  • ByteProxies
  • Byteful
  • CatProxies
  • DataImpulse
  • EnigmaProxy
  • Evomi
  • FlashProxy
  • FloppyData
  • GeekProxy
  • Geonode
  • GonzoProxy
  • IPFly
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • LemonBright
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • NSocks
  • NextProxy
  • NodeMaven
  • NovaProxy
  • PSBProxy
  • PacketStream
  • PrivateByte
  • Proxiware
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • Shifter
  • SpyderProxy
  • TORCHPROXIES_BASIC
  • TORCHPROXIES_PREMIUM
  • TORCHPROXIES_X
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalExclusive
IPv4 market

Path

1 · Holder
SK Broadband Co Ltd
2 · Leased from
not leased
3 · Announced by
AS9689 SK Broadband Co Ltd
since Sep 2021 · 5.2 yr ago
4 · Use
VPN servicesnamed VPN Gate
Residential

Operators, sellers and brokers

VPN services

NameParentIn 223.131.48.0/20/24s
VPN GateUniversity of Tsukuba
10.02%
1

Lineage

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

223.131.48.0/20

From the registry to its use

  1. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
  2. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.48.0/21
  3. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.48.0/22
  4. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.48.0/23
  5. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.48.0/24
  6. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.49.0/24
  7. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.50.0/23
  8. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.50.0/24
  9. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.51.0/24
  10. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.52.0/22
  11. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.52.0/23
  12. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.52.0/24
  13. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.53.0/24
  14. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.54.0/23
  15. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.54.0/24
  16. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.55.0/24
  17. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.56.0/21
  18. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.56.0/22
  19. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.56.0/23
  20. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.56.0/24
  21. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.57.0/24
  22. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.58.0/23
  23. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.58.0/24
  24. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.59.0/24
  25. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.60.0/22
  26. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.60.0/23
  27. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.60.0/24
  28. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.61.0/24
  29. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.62.0/23
  30. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.62.0/24
  31. Jul 21, 2010
    Route object
    AS9689 SK Broadband Co Ltd
    NTTCOM route object for AS9689 SK Broadband Co Ltd, maintainer MAINT-VERIO-KR
    223.131.63.0/24
  32. Sep 6, 2021– Nov 11, 2026
    Announced
    AS9689 SK Broadband Co Ltd
    Internet provider
  33. Sep 30, 2021– Nov 11, 2026
    Announced
    AS9689 SK Broadband Co Ltd
    as part of 223.131.0.0/17
    223.131.0.0/17
  34. today
    Registry record
    SK Broadband Co Ltd
    ALLOCATED PORTABLE
    223.131.0.0/16
  35. today
    Used
    VPN Gate
    VPN

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
223.131.0.0/17
since Sep 2021
AS9689Residential30
5 always on
SK Broadband Co Ltd

Composition

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

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Residential4,095>99%2
VPNanonymizer10.02%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Sep 2021
Current origin since
Sep 2021 · 5.2 yr
Origin networks
1