Data as of Nov 8, 2026
222.23.0.0/16
13 residential-proxy exits · 30 daysChina 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
from AS4538 China Education and Research Network Center, after 21 years unannounced
Residential-proxy exits
Proxy exits
13
0.02% of its addresses · 30 days
Spread
1 of 256
/24s with at least one exit
Providers
15
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
69 observations
Proxy providers listing exits
- BirdProxies
- ByteProxies
- Byteful
- EnigmaProxy
- GSocks
- Geonix
- GonzoProxy
- Infatica
- MangoProxy
- NodeProxy
- NovaProxy
- ProxyEmpire
- Proxyma
- RainProxy
- Shifter
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 222.16.0.0/13 since Jul 2014 | AS4538 | Business | 317 5 always on | |
| 222.16.0.0/12 since May 2005 | AS4538 | Business | 664 8 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 |
|---|---|---|---|---|---|
| 222.23.0.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.23.15.0/24 | AS4538 | Business | China Education and Research Network | ||
| 222.23.16.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.23.32.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.23.48.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.23.64.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.23.81.0/24 | AS4538 | Business | China Education and Research Network | ||
| 222.23.88.0/21 | AS4538 | Business | China Education and Research Network | ||
| 222.23.88.0/24 | AS4538 | Business | China Education and Research Network | ||
| 222.23.96.0/19 | AS4538 | Business | China Education and Research Network | ||
| 222.23.144.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.23.160.0/21 | AS4538 | Business | China Education and Research Network | ||
| 222.23.168.0/21 | AS4538 | Business | China Education and Research Network | ||
| 222.23.176.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.23.192.0/18 | AS4538 | Business | 12 | 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
- May 2005
- 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 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 222.23.84.0/22 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 222.23.84.0/22 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 25, 2016 |
Whois
Registration for this announcement
- Range
- 222.
23. 0. 0 - 222. 25. 255. 255 - Netname
- XAR-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
- Sep 3, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Sep 30, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cernet. edu. cn - Name
- ABUSE CERNETAP
- Handle
- AC1685-AP