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Data as of Nov 6, 2026

203.243.128.0/21

5 residential-proxy exits · 30 days

Sejong Networks

Announcement
this exact prefix
No RPKI
Announced by
AS9848
Type
Internet provider
63% of it

Residential-proxy exits

Proxy exits
5
0.24% of its addresses · 30 days
Spread
1 of 8
/24s with at least one exit
Providers
4
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

8 observations

Proxy providers listing exits

  • BirdProxies
  • NodeProxy
  • NovProxy
  • ProxyEmpire

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
203.243.128.0/17
since May 2005
AS9848Internet provider10Sejong Networks
More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
203.243.128.0/24
since Nov 2025
AS141167UnknownSejong Networks
203.243.132.0/24
since Nov 2025
AS141167UnknownSejong Networks
203.243.133.0/24
since Jan 2026
AS136897Hosting5Sejong Networks

Composition

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

Announced space

Address share

Announced space

Types across the prefix

2,048 addresses
TypeAddressesShareRanges
Internet provider1,28063%2
Unknown51225%2
Hosting25613%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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