Data as of Nov 10, 2026
219.224.0.0/15
No anonymizer spaceChina 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 Jun 2026
its first announcement on record
Residential-proxy exits
Proxy exits
11
<0.01% of its addresses · listed by providers
Spread
2 of 512
/24s with at least one exit
Providers
11
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 219.224.22.0/24 | 0 | 10 | |
| 219.225.27.0/24 | 0 | 1 |
Proxy providers listing exits
- Byteful
- CliProxy
- GSocks
- Infatica
- LemonPrime
- MangoProxy
- NodeProxy
- NovaProxy
- ProxyRack
- Proxyma
- Shifter
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 219.224.0.0/14 since May 2014 | AS4538 | Business | 67 1 always on | |
| 219.224.0.0/13 since May 2005 | AS4538 | Business | 180 6 always on |
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 219.224.0.0/20 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | ||
| 219.224.16.0/20 | AS4538 | Business | 10 | China Education and Research Network | |
| 219.224.32.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.224.48.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.224.64.0/19 | AS4538 | Business | China Education and Research Network | ||
| 219.224.96.0/22 since Jan 2026 | AS4538 | Business | China Education and Research Network | ||
| 219.224.97.0/24 since Mar 2025 | AS4538 | Business | China Education and Research Network | ||
| 219.224.104.0/21 | AS4538 | Business | China Education and Research Network | ||
| 219.224.128.0/18 | AS4538 | Business | China Education and Research Network | ||
| 219.224.165.0/24 | AS4538 | Business | China Education and Research Network | ||
| 219.224.192.0/19 | AS4538 | Business | China Education and Research Network | ||
| 219.224.224.0/22 | AS4538 | Business | China Education and Research Network | ||
| 219.225.0.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.225.16.0/20 | AS4538 | Business | 1 | China Education and Research Network | |
| 219.225.32.0/19 | AS4538 | Business | China Education and Research Network | ||
| 219.225.64.0/18 | AS4538 | Business | China Education and Research Network | ||
| 219.225.128.0/19 | AS4538 | Business | China Education and Research Network | ||
| 219.225.160.0/19 | AS4538 | Business | China Education and Research Network | ||
| 219.225.192.0/19 | AS4538 | Business | China Education and Research Network | ||
| 219.225.224.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.225.240.0/20 | 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
- Jun 2026
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4538 | APNIC | CERNET | MAINT-CERNET-AP | Jun 16, 2026 |
Whois
Registration for this announcement
- Range
- 219.
224. 0. 0 - 219. 226. 255. 255 - Netname
- BJR-CERNET
- 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
- Apr 17, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cernet. edu. cn - Name
- ABUSE CERNETAP
- Handle
- AC1685-AP