Data as of Nov 11, 2026
218.197.136.0/22
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 | RPKI |
|---|---|---|---|---|
| 218.192.0.0/13 since May 2005 | AS4538 | Business | 235 7 always on |
Network & registry
Announced by
Covering announcement 218.197.128.0/20
- Prefix
- 218.197.128.0/20
- Announced by
- AS4538 China Education and Research Network Center
- Type
- Business
- Proxy exits
- 114
- Always-on exits
- 2
- RPKI
- No RPKI
- Netname
- CERNET-CN
- Registrant
- China Education and Research Network
- RIR
- APNIC
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
218.197.128.0/20
Routing history
- Pattern
- Stable
- First seen
- Oct 2007
- Current origin since
- Apr 2023 · 3.6 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 218.
196. 0. 0/ 14 - 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
- Jan 21, 2002
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cernet. edu. cn - Name
- ABUSE CERNETAP
- Handle
- AC1685-AP