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Data as of Nov 11, 2026

202.121.0.0/16

44 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
44
0.07% of its addresses · 30 days
Spread
12 of 256
/24s with at least one exit
Providers
48
selling exits here
Oct 12, 2026 – Nov 10, 2026

Exits seen per day

6.4K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
202.121.39.0/24019
202.121.117.0/2404
202.121.132.0/2404
202.121.180.0/2404
202.121.182.0/2404
202.121.92.0/2403
202.121.181.0/2402
202.121.31.0/2401
202.121.52.0/2401
202.121.56.0/2401
202.121.90.0/2401
202.121.93.0/2401

Proxy providers listing exits

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
202.120.0.0/15
since May 2005
AS4538Business377
4 always on
China Education and Research Network
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
202.121.0.0/20AS4538BusinessChina Education and Research Network
202.121.16.0/22AS4538BusinessChina Education and Research Network
202.121.17.0/24AS4538BusinessChina Education and Research Network
202.121.20.0/22AS4538BusinessChina Education and Research Network
202.121.28.0/22AS4538Business1China Education and Research Network
202.121.32.0/20AS4538Business19China Education and Research Network
202.121.48.0/20AS4538Business2China Education and Research Network
202.121.49.0/24AS4538BusinessChina Education and Research Network
202.121.63.0/24AS4538BusinessChina Education and Research Network
202.121.64.0/20AS4538BusinessChina Education and Research Network
202.121.80.0/20AS4538Business5China Education and Research Network
202.121.96.0/20AS4538BusinessChina Education and Research Network
202.121.96.0/23
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.121.112.0/20AS4538Business4China Education and Research Network
202.121.112.0/22AS4538BusinessChina Education and Research Network
202.121.128.0/20AS4538Business4China Education and Research Network
202.121.128.0/24AS4538BusinessChina Education and Research Network
202.121.148.0/22AS4538BusinessChina Education and Research Network
202.121.150.0/24AS4538BusinessChina Education and Research Network
202.121.160.0/21AS4538BusinessChina Education and Research Network
202.121.160.0/24AS4538BusinessChina Education and Research Network
202.121.168.0/21AS4538BusinessChina Education and Research Network
202.121.176.0/21
since Sep 18, 2026
AS4538Business10China Education and Research Network
202.121.176.0/22AS4538BusinessChina Education and Research Network
202.121.180.0/22AS4538Business10China Education and Research Network
202.121.184.0/24
since Mar 2025
AS4538BusinessChina Education and Research Network
202.121.192.0/20AS4538BusinessChina Education and Research Network
202.121.192.0/21AS4538BusinessChina Education and Research Network
202.121.208.0/20
since Oct 29, 2026
AS4538BusinessChina Education and Research Network
202.121.208.0/24AS4538BusinessChina Education and Research Network
202.121.224.0/20
since Mar 2026
AS4538BusinessChina Education and Research Network
202.121.240.0/22AS4538BusinessChina Education and Research Network
202.121.241.0/24AS4538BusinessChina Education and Research Network
202.121.244.0/23AS4538BusinessChina Education and Research Network
202.121.246.0/23AS4538BusinessChina Education and Research Network
202.121.252.0/22AS4538BusinessChina Education and Research Network

Network & registry

AnnouncementRouting historyWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Oct 2019 · 7.1 yr
Origin networks
2
Last change of origin
Oct 2019
Recorded history

History

Handoffs
2