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Data as of Nov 13, 2026

210.121.0.0/20

21 residential-proxy exits · 30 days

Sejong Networks

Announcement
210.121.0.0/17
No RPKI
Announced by
AS9848
Type
Residential

Residential-proxy exits

Proxy exits
21
0.51% of its addresses · 30 days
Spread
10 of 16
/24s with at least one exit
Providers
18
selling exits here
Oct 14, 2026 – Nov 12, 2026

Exits seen per day

490 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
210.121.6.0/2405
210.121.1.0/2404
210.121.7.0/2404
210.121.4.0/2402
210.121.2.0/2401
210.121.5.0/2401
210.121.10.0/2401
210.121.11.0/2401
210.121.12.0/2401
210.121.14.0/2401

Proxy providers listing exits

  • Ake.net
  • AnyIP
  • B2Proxy
  • BottingTools
  • CliProxy
  • DataImpulse
  • FloppyData
  • IPFly
  • IPPeak
  • InfiniteProxies
  • NovProxy
  • PacketStream
  • Proxy4U
  • PuraRoute
  • RainProxy
  • Shifter
  • ThunderProxy
  • ZENPROXY_PREMIUM

Announcements

More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
210.121.0.0/21
since Jun 2013
AS45374Residential17Sejong Networks
210.121.8.0/21
since Jun 2013
AS45374Residential4Sejong Networks

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced 210.121.0.0/17

210.121.0.0/17

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
May 2005 · 22 yr
Origin networks
1