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Data as of Nov 4, 2026

101.5.40.0/21

3 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
30 / 100 · Medium
Recently moved
Recent change
New origin Sep 18, 2026
from AS24348 CERNET2 IX at Tsinghua University, after 1.7 years unannounced

Residential-proxy exits

Proxy exits
3
0.15% of its addresses · 30 days
Spread
3 of 8
/24s with at least one exit
Providers
3
selling exits here
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

4 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
101.5.44.0/2401
101.5.45.0/2401
101.5.47.0/2401

Proxy providers listing exits

  • DataImpulse
  • Infatica
  • Proxyma

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
101.5.0.0/18
since Nov 3, 2026
AS4538Business17China Education and Research Network
101.5.0.0/17
since Sep 18, 2026
AS4538Business54China Education and Research Network
101.5.0.0/16
since Sep 18, 2026
AS4538Business167China Education and Research Network
101.4.0.0/14
since Dec 2010
AS4538Business257
1 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