LAYER3 INTEL
Get started
Sign in
Data as of Nov 8, 2026

202.121.180.0/22

10 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
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
10
0.98% of its addresses · 30 days
Always-on exits
1
10% of its exits
Spread
3 of 4
/24s with at least one exit
Providers
40
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

4.7K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
202.121.182.0/2414
202.121.180.0/2404
202.121.181.0/2402

Proxy providers listing exits

  • 2Captcha
  • Ake.net
  • BartProxies
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • EnigmaProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • GonzoProxy
  • HydraProxy
  • IPOasis
  • IPPeak
  • Infatica
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • MangoProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • PrivateByte
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • ProxyHat
  • ProxyRack
  • Proxyma
  • RainProxy
  • Shifter
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalProxy

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
202.121.176.0/21
since Sep 18, 2026
AS4538Business10
1 always on
China Education and Research Network
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

Network & registry

AnnouncementRouting historyWhois & 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