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Data as of Nov 8, 2026

121.192.0.0/16

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
<0.01% of its addresses · 30 days
Spread
2 of 256
/24s with at least one exit
Providers
27
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

932 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
121.192.174.0/2401
121.192.185.0/2401

Proxy providers listing exits

  • 2Captcha
  • Ake.net
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • EnigmaProxy
  • FlashProxy
  • GSocks
  • Geonix
  • GonzoProxy
  • IPOasis
  • Infatica
  • LightningProxies
  • MangoProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • ProxyHat
  • Proxyma
  • Shifter
  • VibeProxies
  • VitalProxy

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsRPKI
121.192.0.0/15
since Feb 2007
AS4538Business54
2 always on
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
121.192.0.0/24AS4538BusinessChina Education and Research Network
121.192.2.0/24AS4538BusinessChina Education and Research Network
121.192.3.0/24AS4538BusinessChina Education and Research Network
121.192.4.0/22AS4538BusinessChina Education and Research Network
121.192.8.0/24AS4538BusinessChina Education and Research Network
121.192.9.0/24AS4538BusinessChina Education and Research Network
121.192.11.0/24AS4538BusinessChina Education and Research Network
121.192.12.0/24AS4538BusinessChina Education and Research Network
121.192.13.0/24AS4538BusinessChina Education and Research Network
121.192.16.0/21AS4538BusinessChina Education and Research Network
121.192.24.0/22
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
121.192.30.0/23AS4538BusinessChina Education and Research Network
121.192.32.0/22AS4538BusinessChina Education and Research Network
121.192.36.0/22AS4538BusinessChina Education and Research Network
121.192.40.0/22AS4538BusinessChina Education and Research Network
121.192.44.0/22AS4538BusinessChina Education and Research Network
121.192.48.0/23AS4538BusinessChina Education and Research Network
121.192.50.0/23AS4538BusinessChina Education and Research Network
121.192.52.0/23AS4538BusinessChina Education and Research Network
121.192.56.0/22AS4538BusinessChina Education and Research Network
121.192.60.0/22AS4538BusinessChina Education and Research Network
121.192.64.0/20AS4538BusinessChina Education and Research Network
121.192.128.0/24AS4538BusinessChina Education and Research Network
121.192.129.0/24AS4538BusinessChina Education and Research Network
121.192.130.0/23AS4538BusinessChina Education and Research Network
121.192.132.0/24AS4538BusinessChina Education and Research Network
121.192.134.0/24AS4538BusinessChina Education and Research Network
121.192.137.0/24AS4538BusinessChina Education and Research Network
121.192.138.0/24AS4538BusinessChina Education and Research Network
121.192.160.0/19
since Sep 18, 2026
AS4538Business2China Education and Research Network
121.192.192.0/18AS4538BusinessChina 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