Data as of Nov 8, 2026
121.192.0.0/14
No anonymizer spaceChina Education and Research Network Center
Residential-proxy exits
Proxy exits
84
0.03% of its addresses · listed by providers
Always-on exits
2
2.4% of its exits
Spread
13 of 1,024
/24s with at least one exit
Providers
42
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 121.193.129.0/24 | 1 | 31 | |
| 121.193.172.0/24 | 1 | 4 | |
| 121.195.188.0/24 | 0 | 27 | |
| 121.193.182.0/24 | 0 | 8 | |
| 121.193.184.0/24 | 0 | 4 | |
| 121.193.161.0/24 | 0 | 3 | |
| 121.193.165.0/24 | 0 | 1 | |
| 121.192.174.0/24 | 0 | 1 | |
| 121.193.191.0/24 | 0 | 1 | |
| 121.195.162.0/24 | 0 | 1 | |
| 121.195.167.0/24 | 0 | 1 | |
| 121.195.172.0/24 | 0 | 1 | |
| 121.192.185.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- Ake.net
- BartProxies
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- EnigmaProxy
- FlashProxy
- FlexyProxies
- GSocks
- Geonix
- GonzoProxy
- IPOasis
- IPPeak
- IPRoyal
- Infatica
- LemonLabs
- LemonPrime
- LightningProxies
- MangoProxy
- NextProxy
- NodeMaven
- NodeProxy
- NovProxy
- NovaProxy
- PROXYWING_BASIC
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyHat
- ProxyRack
- Proxyma
- QUANTICDATA
- RainProxy
- SPYDERPROXY_PREMIUM
- Shifter
- VantageProxies
- VibeProxies
- VitalExclusive
- VitalProxy
Announcements
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 |
|---|---|---|---|---|---|
| 121.192.0.0/15 since Feb 2007 | AS4538 | Business | 54 2 always on | ||
| 121.192.0.0/16 since Dec 2008 | AS4538 | Business | 2 | China Education and Research Network | |
| 121.192.0.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.2.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.3.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.4.0/22 | AS4538 | Business | China Education and Research Network | ||
| 121.192.8.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.9.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.11.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.12.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.13.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.16.0/21 | AS4538 | Business | China Education and Research Network | ||
| 121.192.24.0/22 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | ||
| 121.192.30.0/23 | AS4538 | Business | China Education and Research Network | ||
| 121.192.32.0/22 | AS4538 | Business | China Education and Research Network | ||
| 121.192.36.0/22 | AS4538 | Business | China Education and Research Network | ||
| 121.192.40.0/22 | AS4538 | Business | China Education and Research Network | ||
| 121.192.44.0/22 | AS4538 | Business | China Education and Research Network | ||
| 121.192.48.0/23 | AS4538 | Business | China Education and Research Network | ||
| 121.192.50.0/23 | AS4538 | Business | China Education and Research Network | ||
| 121.192.52.0/23 | AS4538 | Business | China Education and Research Network | ||
| 121.192.56.0/22 | AS4538 | Business | China Education and Research Network | ||
| 121.192.60.0/22 | AS4538 | Business | China Education and Research Network | ||
| 121.192.64.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.192.128.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.129.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.130.0/23 | AS4538 | Business | China Education and Research Network | ||
| 121.192.132.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.134.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.137.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.138.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.192.160.0/19 since Sep 18, 2026 | AS4538 | Business | 2 | China Education and Research Network | |
| 121.192.192.0/18 | AS4538 | Business | China Education and Research Network | ||
| 121.193.0.0/16 since Feb 2007 | AS4538 | Business | 52 2 always on | China Education and Research Network | |
| 121.193.64.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.193.80.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.193.96.0/22 | AS4538 | Business | China Education and Research Network | ||
| 121.193.128.0/20 | AS4538 | Business | 31 1 always on | China Education and Research Network | |
| 121.193.144.0/21 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | ||
| 121.193.160.0/19 | AS4538 | Business | 21 1 always on | China Education and Research Network | |
| 121.193.192.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.193.208.0/21 | AS4538 | Business | China Education and Research Network | ||
| 121.193.216.0/23 | AS4538 | Business | China Education and Research Network | ||
| 121.193.221.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.193.222.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.193.224.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.193.240.0/21 | AS4538 | Business | China Education and Research Network | ||
| 121.193.248.0/21 | AS4538 | Business | China Education and Research Network | ||
| 121.194.0.0/15 since Oct 2006 | AS4538 | Business | 30 | China Education and Research Network | |
| 121.194.0.0/20 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | ||
| 121.194.4.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.194.16.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.194.32.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.194.48.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.194.64.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.194.80.0/21 | AS4538 | Business | China Education and Research Network | ||
| 121.194.88.0/22 | AS4538 | Business | China Education and Research Network | ||
| 121.194.92.0/22 | AS4538 | Business | China Education and Research Network | ||
| 121.194.96.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.194.112.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.194.144.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.194.167.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.194.172.0/22 | AS4538 | Business | China Education and Research Network | ||
| 121.194.172.0/23 | AS4538 | Business | China Education and Research Network | ||
| 121.194.174.0/23 | AS4538 | Business | China Education and Research Network | ||
| 121.194.176.0/20 since May 2026 | AS4538 | Business | China Education and Research Network | ||
| 121.194.192.0/19 | AS4538 | Business | China Education and Research Network | ||
| 121.194.224.0/19 | AS4538 | Business | China Education and Research Network | ||
| 121.195.12.0/23 | AS4538 | Business | China Education and Research Network | ||
| 121.195.14.0/23 | AS4538 | Business | China Education and Research Network | ||
| 121.195.16.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.195.32.0/19 | AS4538 | Business | China Education and Research Network | ||
| 121.195.96.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.195.112.0/23 | AS4538 | Business | China Education and Research Network | ||
| 121.195.114.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.195.128.0/19 | AS4538 | Business | China Education and Research Network | ||
| 121.195.160.0/20 | AS4538 | Business | 3 | China Education and Research Network | |
| 121.195.180.0/22 | AS4538 | Business | China Education and Research Network | ||
| 121.195.186.0/24 | AS4538 | Business | China Education and Research Network | ||
| 121.195.188.0/23 | AS4538 | Business | 27 | China Education and Research Network | |
| 121.195.192.0/19 | AS4538 | Business | China Education and Research Network | ||
| 121.195.224.0/20 | AS4538 | Business | China Education and Research Network | ||
| 121.195.240.0/20 | AS4538 | Business | China Education and Research Network |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 121.192.0.0/16 | 65,536 | SHR-CERNET | China Education and Research Network | ALLOCATED PORTABLE | Sep 4, 2008 | abuse@ |
| 121.193.0.0/16 | 65,536 | BJR-CERNET | China Education and Research Network | ALLOCATED PORTABLE | Sep 4, 2008 | abuse@ |
| 121.194.0.0/15 | 131,072 | BJR-CERNET | China Education and Research Network | ALLOCATED PORTABLE | Sep 4, 2008 | abuse@ |
Network & registry
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2017
- Current origin since
- Nov 2017 · 9.0 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4538 | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 | Nov 13, 2023 |
Whois
Registration for this announcement
121.192.0.0/14 spans several registrations: 3 records are listed under Registrations.
- Registrant country
- AU
- RIR
- APNIC
- Country
- CN
- Delegated
- Jul 11, 2006
- Status
- assigned