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Data as of Nov 8, 2026

202.121.48.0/20

2 residential-proxy exits · 30 days

China Education and Research Network Center · space held by China Education and Research Network

Announcement
this exact prefix
No RPKI
Announced by
AS4538
Type
Business

Residential-proxy exits

Proxy exits
2
0.05% of its addresses · 30 days
Spread
2 of 16
/24s with at least one exit
Providers
14
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

58 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
202.121.52.0/2401
202.121.56.0/2401

Proxy providers listing exits

  • BirdProxies
  • Byteful
  • EnigmaProxy
  • FlexyProxies
  • GSocks
  • Geonix
  • Infatica
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Proxy-Seller
  • ProxyEmpire
  • Shifter
  • VantageProxies

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
202.121.0.0/16
since Oct 2019
AS4538Business47
1 always on
China Education and Research Network
202.120.0.0/15
since May 2005
AS4538Business378
9 always on
China Education and Research Network
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
202.121.49.0/24AS4538BusinessChina Education and Research Network
202.121.63.0/24AS4538BusinessChina Education and Research Network

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS4538

CN
Name
China Education and Research Network Center
Type
Education
Registered
Aug 1, 2002
Domain
cernet.edu.cn
Website
www.edu.cn
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed