Data as of Nov 3, 2026

210.121.0.0/20

19 residential-proxy exits · 30 days

Sejong Networks

Announcement
No RPKI
Announced by
Type
Residential

Residential-proxy exits

Proxy exits
19
0.46% of its addresses · 30 days
Always-on exits
1
5.3% of its exits
Spread
8 of 16
/24s with at least one exit
Providers
19
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

765 observations

/24s with the most always-on exits

Proxy providers listing exits

  • Ake.net
  • AnyIP
  • B2Proxy
  • BottingTools
  • BuyingProxy
  • CliProxy
  • Datarama
  • Evomi
  • FloppyData
  • IPFly
  • IPPeak
  • InfiniteProxies
  • NovProxy
  • PacketStream
  • Proxy4U
  • PuraRoute
  • RainProxy
  • Shifter
  • ThunderProxy

Announcements

More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
210.121.0.0/21
since Jun 2013
AS45374Residential16
1 always on
Sejong Networks
210.121.8.0/21
since Jun 2013
AS45374Residential3Sejong Networks

Network & registry

Announced by

Covering announcement 210.121.0.0/17

Prefix
210.121.0.0/17
Announced by
AS9848 Sejong Networks
Type
Internet provider
Proxy exits
67
Always-on exits
5
RPKI
No RPKI
Netname
SEJONG-KR
Registrant
Sejong Networks
RIR
APNIC
Origin network

AS9848

KR
Name
Sejong Networks
Type
Internet provider
Registered
Feb 4, 2000
Domain
sejongnetworks.com
Website
en.sejongnetworks.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed