Data as of Nov 14, 2026
211.64.48.0/20
No anonymizer space · no proxy exits in 30 daysChina Education and Research Network Center
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 211.64.48.0/21 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | |
| 211.64.48.0/24 | AS4538 | Business | China Education and Research Network | |
| 211.64.56.0/21 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 211. | 393,216 | CERNET-CN | China Education and Research Network | ALLOCATED PORTABLE | Sep 4, 2008 | abuse@ |
Network & registry
Announced by
Covering announcement 211.64.0.0/13
- Prefix
- 211.64.0.0/13
- Announced by
- AS4538 China Education and Research Network Center
- Type
- Business
- Proxy exits
- 257
- Always-on exits
- 3
- RPKI
- No RPKI
- RIR
- APNIC
Registry
Holder
- Organization
- Not stated by the 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
Who has announced 211.64.0.0/13
211.64.0.0/13
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on 211.64.0.0/13
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4538 | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 | Nov 13, 2023 |
Whois
Registration for this announcement
211.64.0.0/13 spans several registrations: 2 records are listed under Registrations.
- Registrant country
- AU
- RIR
- APNIC
- Country
- CN
- Delegated
- Sep 17, 1999
- Status
- assigned