Data as of Nov 8, 2026
219.223.192.0/18
3 residential-proxy exits · 30 daysChina Education and Research Network Center · space held by China Education and Research Network
Residential-proxy exits
Proxy exits
3
0.02% of its addresses · 30 days
Spread
2 of 64
/24s with at least one exit
Providers
2
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
6 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 219.223.221.0/24 | 0 | 1 | |
| 219.223.233.0/24 | 0 | 1 |
Proxy providers listing exits
- NodeProxy
- Proxying
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 219.223.0.0/16 since Sep 18, 2026 | AS4538 | Business | 4 | China Education and Research Network | |
| 219.216.0.0/13 since May 2005 | AS4538 | Business | 521 4 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 |
|---|---|---|---|---|---|
| 219.223.192.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.223.208.0/24 | AS4538 | Business | China Education and Research Network | ||
| 219.223.209.0/24 | AS4538 | Business | China Education and Research Network | ||
| 219.223.210.0/23 | AS4538 | Business | China Education and Research Network | ||
| 219.223.211.0/24 | AS4538 | Business | China Education and Research Network | ||
| 219.223.219.0/24 | AS4538 | Business | China Education and Research Network | ||
| 219.223.220.0/22 | AS4538 | Business | 1 | China Education and Research Network | |
| 219.223.224.0/22 | AS4538 | Business | China Education and Research Network | ||
| 219.223.228.0/22 | AS4538 | Business | China Education and Research Network | ||
| 219.223.232.0/21 | AS4538 | Business | 1 | China Education and Research Network | |
| 219.223.232.0/22 | AS4538 | Business | 1 | China Education and Research Network | |
| 219.223.236.0/22 | AS4538 | Business | China Education and Research Network | ||
| 219.223.240.0/21 | AS4538 | Business | China Education and Research Network | ||
| 219.223.240.0/22 | AS4538 | Business | China Education and Research Network | ||
| 219.223.244.0/22 | AS4538 | Business | China Education and Research Network | ||
| 219.223.248.0/22 | AS4538 | Business | China Education and Research Network | ||
| 219.223.248.0/23 | AS4538 | Business | China Education and Research Network | ||
| 219.223.250.0/23 | AS4538 | Business | China Education and Research Network | ||
| 219.223.252.0/24 | AS4538 | Business | China Education and Research Network | ||
| 219.223.253.0/24 | AS4538 | Business | China Education and Research Network | ||
| 219.223.254.0/24 | 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
- First seen
- Before our records
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 219.
222. 0. 0/ 15 - 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 9, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cernet. edu. cn - Name
- ABUSE CERNETAP
- Handle
- AC1685-AP