Data as of Nov 3, 2026
210.43.208.0/20
No anonymizer space · no proxy exits in 30 daysChina Education and Research Network Center · space held by China Education and Research Network
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Recent change
New origin Sep 18, 2026
from AS4538 China Education and Research Network Center, after 3.4 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 210.32.0.0/12 since May 2005 | AS4538 | Business | 505 10 always on |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 210.43.208.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network |
Network & registry
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
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 210.40.0.0/13
- Netname
- CERNET-CN
- Registrant
- China Education and Research Network
- Registrant country
- CN
- Organization
- China Education and Research Network
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 20, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Mar 12, 1997
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE CERNETAP
- Handle
- AC1685-AP