Data as of Nov 14, 2026
219.231.240.0/20
No anonymizer space · no proxy exits in 30 daysChina Education and Research Network Center
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 219.231.240.0/21 | 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 |
|---|---|---|---|---|---|---|
| 219.230.0.0/15 | 131,072 | CERNET-CN | China Education and Research Network | ALLOCATED PORTABLE | Sep 4, 2008 | abuse@ |
Network & registry
Announced by
Covering announcement 219.224.0.0/13
- Prefix
- 219.224.0.0/13
- Announced by
- AS4538 China Education and Research Network Center
- Type
- Business
- Proxy exits
- 182
- Always-on exits
- 2
- 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 219.224.0.0/13
219.224.0.0/13
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on 219.224.0.0/13
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4538 | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 | Nov 13, 2023 |
Whois
Registration for this announcement
219.224.0.0/13 spans several registrations: 4 records are listed under Registrations.
- Registrant country
- AU
- RIR
- APNIC
- Country
- CN
- Delegated
- Apr 17, 2003
- Status
- assigned