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

219.220.0.0/16

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
Recent change
New origin Sep 18, 2026
from AS4538 China Education and Research Network Center, after 1.9 years unannounced

Residential-proxy exits

Proxy exits
2
<0.01% of its addresses · 30 days
Spread
2 of 256
/24s with at least one exit
Providers
20
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

308 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
219.220.176.0/2401
219.220.222.0/2401

Proxy providers listing exits

  • 2Captcha
  • BirdProxies
  • ByteProxies
  • Byteful
  • CliProxy
  • EnigmaProxy
  • FlexyProxies
  • GonzoProxy
  • IPOasis
  • Infatica
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Proxy-Seller
  • ProxyEmpire
  • ProxyHat
  • Proxyma
  • Shifter
  • VantageProxies
  • VitalData

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsRPKI
219.216.0.0/13
since May 2005
AS4538Business521
4 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
219.220.0.0/20AS4538BusinessChina Education and Research Network
219.220.1.0/24AS4538BusinessChina Education and Research Network
219.220.16.0/20AS4538BusinessChina Education and Research Network
219.220.26.0/24
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
219.220.32.0/20AS4538BusinessChina Education and Research Network
219.220.48.0/20AS4538BusinessChina Education and Research Network
219.220.96.0/21AS4538BusinessChina Education and Research Network
219.220.112.0/20AS4538BusinessChina Education and Research Network
219.220.128.0/19AS4538BusinessChina Education and Research Network
219.220.176.0/20AS4538Business1China Education and Research Network
219.220.176.0/24AS4538Business1China Education and Research Network
219.220.181.0/24AS4538BusinessChina Education and Research Network
219.220.192.0/21AS4538BusinessChina Education and Research Network
219.220.200.0/21AS4538BusinessChina Education and Research Network
219.220.200.0/24AS4538BusinessChina Education and Research Network
219.220.208.0/20AS4538Business1China Education and Research Network
219.220.212.0/24AS4538BusinessChina Education and Research Network
219.220.216.0/24AS4538BusinessChina Education and Research Network
219.220.224.0/20AS4538BusinessChina Education and Research Network
219.220.240.0/21AS4538BusinessChina Education and Research Network
219.220.248.0/22AS4538BusinessChina Education and Research Network
219.220.252.0/23AS4538BusinessChina Education and Research Network
219.220.254.0/23AS4538BusinessChina 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