LAYER3 INTEL
Get started
Sign in
Data as of Nov 3, 2026

210.40.192.0/18

No anonymizer space · no proxy exits in 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 AS138378 CERNET2 regional IX at Yunnan University, after 1.7 years unannounced

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsRPKI
210.32.0.0/12
since May 2005
AS4538Business505
10 always on
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
210.40.208.0/21AS4538BusinessChina Education and Research Network
210.40.216.0/21AS4538BusinessChina Education and Research Network
210.40.216.0/24AS4538BusinessChina Education and Research Network
210.40.224.0/24AS4538BusinessChina Education and Research Network
210.40.240.0/21AS4538BusinessChina 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