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Data as of Nov 8, 2026

121.194.0.0/15

No anonymizer space

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
30
0.02% of its addresses · listed by providers
Spread
4 of 512
/24s with at least one exit
Providers
25
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
121.195.188.0/24027
121.195.162.0/2401
121.195.167.0/2401
121.195.172.0/2401

Proxy providers listing exits

  • Ake.net
  • BartProxies
  • BirdProxies
  • ByteProxies
  • Byteful
  • CliProxy
  • EnigmaProxy
  • GSocks
  • Geonix
  • Infatica
  • LemonPrime
  • MangoProxy
  • NodeProxy
  • NovProxy
  • NovaProxy
  • PROXYWING_BASIC
  • Proxy-Seller
  • ProxyEmpire
  • ProxyRack
  • Proxyma
  • QUANTICDATA
  • RainProxy
  • SPYDERPROXY_PREMIUM
  • Shifter
  • VantageProxies

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsRPKI
121.192.0.0/14
since Nov 2017
AS4538Business84
2 always on
Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

Arrived
PrefixOriginTypeProxy exitsHolderRPKI
121.194.0.0/20
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
121.194.4.0/24AS4538BusinessChina Education and Research Network
121.194.16.0/20AS4538BusinessChina Education and Research Network
121.194.32.0/20AS4538BusinessChina Education and Research Network
121.194.48.0/20AS4538BusinessChina Education and Research Network
121.194.64.0/20AS4538BusinessChina Education and Research Network
121.194.80.0/21AS4538BusinessChina Education and Research Network
121.194.88.0/22AS4538BusinessChina Education and Research Network
121.194.92.0/22AS4538BusinessChina Education and Research Network
121.194.96.0/20AS4538BusinessChina Education and Research Network
121.194.112.0/20AS4538BusinessChina Education and Research Network
121.194.144.0/20AS4538BusinessChina Education and Research Network
121.194.167.0/24AS4538BusinessChina Education and Research Network
121.194.172.0/22AS4538BusinessChina Education and Research Network
121.194.172.0/23AS4538BusinessChina Education and Research Network
121.194.174.0/23AS4538BusinessChina Education and Research Network
121.194.176.0/20
since May 2026
AS4538BusinessChina Education and Research Network
121.194.192.0/19AS4538BusinessChina Education and Research Network
121.194.224.0/19AS4538BusinessChina Education and Research Network
121.195.12.0/23AS4538BusinessChina Education and Research Network
121.195.14.0/23AS4538BusinessChina Education and Research Network
121.195.16.0/20AS4538BusinessChina Education and Research Network
121.195.32.0/19AS4538BusinessChina Education and Research Network
121.195.96.0/20AS4538BusinessChina Education and Research Network
121.195.112.0/23AS4538BusinessChina Education and Research Network
121.195.114.0/24AS4538BusinessChina Education and Research Network
121.195.128.0/19AS4538BusinessChina Education and Research Network
121.195.160.0/20AS4538Business3China Education and Research Network
121.195.180.0/22AS4538BusinessChina Education and Research Network
121.195.186.0/24AS4538BusinessChina Education and Research Network
121.195.188.0/23AS4538Business27China Education and Research Network
121.195.192.0/19AS4538BusinessChina Education and Research Network
121.195.224.0/20AS4538BusinessChina Education and Research Network
121.195.240.0/20AS4538BusinessChina 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