Data as of Nov 8, 2026
222.20.0.0/15
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
223
0.17% of its addresses · listed by providers
Always-on exits
1
0.45% of its exits
Spread
2 of 512
/24s with at least one exit
Providers
68
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 222.20.193.0/24 | 1 | 221 | |
| 222.20.32.0/24 | 0 | 2 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- BartProxies
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- EZProxies
- EnigmaProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- GeekProxy
- Geonix
- Geonode
- GonzoProxy
- HideProxy
- HydraProxy
- IPCola
- IPOasis
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- LemonLabs
- LemonPrime
- LudaxProxy
- MangoProxy
- NSocks
- NextProxy
- NodeProxy
- NovProxy
- NovaProxy
- PROXYWING_BASIC
- PSBProxy
- PacketStream
- PrivateByte
- PrivateProxy
- ProxiesVision
- Proxiware
- Proxmint
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyHat
- ProxyRack
- ProxyWing
- Proxyma
- QUANTICDATA
- RainProxy
- RealProxy
- ResiProxies
- SPYDERPROXY_PREMIUM
- Shifter
- VProxy
- VantageProxies
- VitalData
- VitalExclusive
- VitalProxy
- ZENPROXY_PREMIUM
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 |
|---|---|---|---|---|---|
| 222.20.0.0/17 since Sep 18, 2026 | AS4538 | Business | 2 | China Education and Research Network | |
| 222.20.128.0/19 since Apr 2023 | AS4538 | Business | China Education and Research Network | ||
| 222.20.128.0/24 since Apr 2023 | AS4538 | Business | China Education and Research Network | ||
| 222.20.129.0/24 since Apr 2023 | AS4538 | Business | China Education and Research Network | ||
| 222.20.160.0/21 since Apr 2023 | AS4538 | Business | China Education and Research Network | ||
| 222.20.192.0/18 since Sep 18, 2026 | AS4538 | Business | 221 1 always on | China Education and Research Network | |
| 222.20.193.0/24 since Sep 18, 2026 | AS4538 | Business | 221 1 always on | China Education and Research Network | |
| 222.21.0.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.21.16.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.21.32.0/19 | AS4538 | Business | China Education and Research Network | ||
| 222.21.80.0/21 | AS4538 | Business | China Education and Research Network | ||
| 222.21.88.0/21 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | ||
| 222.21.112.0/21 | AS4538 | Business | China Education and Research Network | ||
| 222.21.120.0/21 | AS4538 | Business | China Education and Research Network | ||
| 222.21.128.0/21 | AS4538 | Business | China Education and Research Network | ||
| 222.21.136.0/21 | AS4538 | Business | China Education and Research Network | ||
| 222.21.144.0/21 | AS4538 | Business | China Education and Research Network | ||
| 222.21.160.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.21.176.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.21.192.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.21.192.0/24 | AS4538 | Business | China Education and Research Network | ||
| 222.21.199.0/24 | AS4538 | Business | China Education and Research Network | ||
| 222.21.218.0/24 | AS4538 | Business | China Education and Research Network | ||
| 222.21.219.0/24 | AS4538 | Business | China Education and Research Network | ||
| 222.21.220.0/24 | AS4538 | Business | China Education and Research Network | ||
| 222.21.222.0/24 | AS4538 | Business | China Education and Research Network | ||
| 222.21.223.0/24 | 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
- 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
- 222.
20. 0. 0 - 222. 22. 255. 255 - Netname
- WHR-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 24, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cernet. edu. cn - Name
- ABUSE CERNETAP
- Handle
- AC1685-AP