Data as of Nov 8, 2026
202.121.80.0/20
5 residential-proxy exits · 30 daysChina Education and Research Network Center · space held by China Education and Research Network
Residential-proxy exits
Proxy exits
5
0.12% of its addresses · 30 days
Spread
3 of 16
/24s with at least one exit
Providers
26
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
673 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 202.121.92.0/24 | 0 | 3 | |
| 202.121.90.0/24 | 0 | 1 | |
| 202.121.93.0/24 | 0 | 1 |
Proxy providers listing exits
- BartProxies
- BirdProxies
- ByteProxies
- Byteful
- EnigmaProxy
- FlashProxy
- FlexyProxies
- GSocks
- GonzoProxy
- HydraProxy
- Infatica
- LemonPrime
- MangoProxy
- Maskify
- NodeMaven
- NodeProxy
- NovaProxy
- Proxiware
- Proxy-Seller
- ProxyEmpire
- Proxyma
- RainProxy
- Shifter
- VantageProxies
- VitalData
- VitalProxy
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 202.121.0.0/16 since Oct 2019 | AS4538 | Business | 47 1 always on | China Education and Research Network | |
| 202.120.0.0/15 since May 2005 | AS4538 | Business | 378 9 always on | 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
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 202.121.80.0/24 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.121.80.0/24 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 202.121.81.0/24 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.121.81.0/24 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
Whois
Registration for this announcement
- Range
- 202.
112. 0. 0 - 202. 121. 255. 255 - 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
- Sep 3, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Sep 21, 1995
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cernet. edu. cn - Name
- ABUSE CERNETAP
- Handle
- AC1685-AP