Data as of Nov 4, 2026
202.204.0.0/14
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
41
0.02% of its addresses · listed by providers
Spread
13 of 1,024
/24s with at least one exit
Providers
44
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 202.204.223.0/24 | 0 | 14 | |
| 202.204.48.0/24 | 0 | 9 | |
| 202.207.191.0/24 | 0 | 4 | |
| 202.206.209.0/24 | 0 | 4 | |
| 202.204.59.0/24 | 0 | 2 | |
| 202.206.65.0/24 | 0 | 1 | |
| 202.205.186.0/24 | 0 | 1 | |
| 202.206.96.0/24 | 0 | 1 | |
| 202.206.104.0/24 | 0 | 1 | |
| 202.206.106.0/24 | 0 | 1 | |
| 202.204.169.0/24 | 0 | 1 | |
| 202.206.242.0/24 | 0 | 1 | |
| 202.204.53.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- BartProxies
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- DataImpulse
- EnigmaProxy
- FlashProxy
- FlexyProxies
- GSocks
- Geonix
- GonzoProxy
- HydraProxy
- IPFly
- IPOasis
- IPPeak
- Infatica
- InfiniteProxies
- LemonPrime
- LightningProxies
- MangoProxy
- NodeMaven
- NodeProxy
- NovaProxy
- PacketStream
- PrivateByte
- ProxiesVision
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyHat
- ProxyRack
- ProxyStyler
- Proxyma
- RainProxy
- Shifter
- VantageProxies
- VibeProxies
- VitalData
- VitalExclusive
- VitalProxy
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 202.200.0.0/13 since May 2014 | AS4538 | Business | 479 3 always on | |
| 202.192.0.0/12 since May 2005 | AS4538 | Business | 815 10 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 |
|---|---|---|---|---|---|
| 202.204.16.0/22 | AS4538 | Business | China Education and Research Network | ||
| 202.204.20.0/23 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | ||
| 202.204.22.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.204.23.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.204.24.0/22 | AS4538 | Business | China Education and Research Network | ||
| 202.204.28.0/22 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | ||
| 202.204.32.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.204.48.0/20 | AS4538 | Business | 12 | China Education and Research Network | |
| 202.204.49.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | ||
| 202.204.60.0/24 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | ||
| 202.204.64.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.204.80.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.204.96.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.204.105.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.204.112.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.204.112.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.204.113.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.204.128.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.204.144.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.204.146.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.204.147.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.204.160.0/20 since Sep 18, 2026 | AS4538 | Business | 1 | China Education and Research Network | |
| 202.204.176.0/20 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | ||
| 202.204.192.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.204.208.0/20 | AS4538 | Business | 14 | China Education and Research Network | |
| 202.204.244.0/22 | AS4538 | Business | China Education and Research Network | ||
| 202.205.16.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.205.64.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.205.68.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.205.80.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.205.96.0/21 | AS4538 | Business | China Education and Research Network | ||
| 202.205.104.0/22 | AS4538 | Business | China Education and Research Network | ||
| 202.205.108.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.205.109.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.205.112.0/20 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | ||
| 202.205.112.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.205.117.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.205.127.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.205.130.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.205.131.0/24 since Mar 2025 | AS4538 | Business | China Education and Research Network | ||
| 202.205.144.0/22 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | ||
| 202.205.148.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.205.149.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.205.151.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.205.158.0/23 since Nov 2025 | AS4538 | Business | China Education and Research Network | ||
| 202.205.160.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.205.176.0/20 | AS4538 | Business | 1 | China Education and Research Network | |
| 202.205.208.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.205.224.0/22 | AS4538 | Business | China Education and Research Network | ||
| 202.205.232.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.205.252.0/23 | AS4538 | Business | China Education and Research Network | ||
| 202.206.0.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.206.4.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.206.16.0/21 | AS4538 | Business | China Education and Research Network | ||
| 202.206.24.0/21 | AS4538 | Business | China Education and Research Network | ||
| 202.206.32.0/19 | AS4538 | Business | China Education and Research Network | ||
| 202.206.32.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.206.48.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.206.64.0/18 | AS4538 | Business | 4 | China Education and Research Network | |
| 202.206.64.0/20 | AS4538 | Business | 1 | China Education and Research Network | |
| 202.206.64.0/24 since Mar 2025 | AS4538 | Business | China Education and Research Network | ||
| 202.206.96.0/20 | AS4538 | Business | 3 | China Education and Research Network | |
| 202.206.100.0/24 since Mar 2025 | AS4538 | Business | China Education and Research Network | ||
| 202.206.116.0/22 | AS4538 | Business | China Education and Research Network | ||
| 202.206.120.0/21 | AS4538 | Business | China Education and Research Network | ||
| 202.206.128.0/18 | AS4538 | Business | China Education and Research Network | ||
| 202.206.176.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.206.192.0/19 | AS4538 | Business | 4 | China Education and Research Network | |
| 202.206.192.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.206.208.0/20 | AS4538 | Business | 4 | China Education and Research Network | |
| 202.206.224.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.206.236.0/22 | AS4538 | Business | China Education and Research Network | ||
| 202.206.240.0/20 since Sep 18, 2026 | AS4538 | Business | 1 | China Education and Research Network | |
| 202.206.251.0/24 | AS4538 | Business | China Education and Research Network | ||
| 202.207.0.0/18 | AS4538 | Business | China Education and Research Network | ||
| 202.207.16.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.207.32.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.207.48.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.207.64.0/19 | AS4538 | Business | China Education and Research Network | ||
| 202.207.80.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.207.96.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.207.120.0/21 | AS4538 | Business | China Education and Research Network | ||
| 202.207.144.0/20 | AS4538 | Business | China Education and Research Network | ||
| 202.207.232.0/21 | 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 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 202.204.224.0/20 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.204.224.0/20 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 202.205.240.0/21 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.205.240.0/21 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 202.207.128.0/20 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.207.128.0/20 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 202.207.136.0/22 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.207.136.0/22 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 202.207.140.0/24 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.207.140.0/24 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 202.207.160.0/19 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.207.160.0/19 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 202.207.160.0/24 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.207.160.0/24 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 202.207.192.0/20 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.207.192.0/20 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 202.207.208.0/20 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.207.208.0/20 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 202.207.208.0/24 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.207.208.0/24 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 202.207.224.0/21 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.207.224.0/21 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 202.207.240.0/20 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.207.240.0/20 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 202.207.240.0/24 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 202.207.240.0/24 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
Whois
Registration for this announcement
- Range
- 202.
204. 0. 0/ 14 - Netname
- BJR-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
- Jun 4, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cernet. edu. cn - Name
- ABUSE CERNETAP
- Handle
- AC1685-AP