Data as of Nov 4, 2026
202.201.176.0/21
No anonymizer space · no proxy exits in 30 daysChina Education and Research Network Center · space held by China Education and Research Network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 202.201.160.0/19 | AS4538 | Business | China Education and Research Network | ||
| 202.200.0.0/14 since Jun 2026 | AS4538 | Business | 438 3 always on | China Education and Research Network | |
| 202.200.0.0/13 since May 2014 | AS4538 | Business | 479 3 always on | ||
| 202.192.0.0/12 since May 2005 | AS4538 | Business | 815 10 always on |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 202.200.0.0/14 | 262,144 | CERNET-CN | China Education and Research Network | ALLOCATED PORTABLE | Sep 4, 2008 | [email protected] |
| └ 202.200.0.0/15 | 131,072 | XAR-CERNET | China Education and Research Network | ASSIGNED NON-PORTABLE | — | [email protected] |
Network & registry
Registry
Holder
- Organization
- China Education and Research Network
- Range
- 202.200.0.0/14
- Registration type
- ALLOCATED PORTABLE
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
- First seen
- Before our records
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 202.200.0.0/15
- Netname
- XAR-CERNET
- Registrant
- China Education and Research Network
- Registrant country
- CN
- Organization
- China Education and Research Network
- Org country
- CN
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Mar 24, 2021
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Apr 17, 1996
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE CERNETAP
- Handle
- AC1685-AP