LAYER3 INTEL
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Data as of Nov 10, 2026

221.133.128.0/21

7 residential-proxy exits · 30 days

SK Broadband Co Ltd

Announcement
this exact prefix
No RPKI
Announced by
AS9689
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
7
0.34% of its addresses · 30 days
Spread
5 of 8
/24s with at least one exit
Providers
13
selling exits here
Oct 11, 2026 – Nov 9, 2026

Exits seen per day

678 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
221.133.132.0/2402
221.133.134.0/2402
221.133.130.0/2401
221.133.131.0/2401
221.133.135.0/2401

Proxy providers listing exits

  • BottingTools
  • DataImpulse
  • FastProxy
  • LemonBright
  • PrivateByte
  • Proxiware
  • Proxy4U
  • Proxying
  • RainProxy
  • Shifter
  • ThunderProxy
  • VitalExclusive
  • ZENPROXY_PREMIUM

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
221.133.128.0/18
since May 2005
AS9689Residential19
1 always on
SK Broadband Co Ltd

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS9689

KR
Name
SK Broadband Co Ltd
Type
Internet provider
Registered
Oct 5, 1999
Domain
skbroadband.com
Spamhaus ASN-DROP
not listed