Data as of Nov 5, 2026
211.66.0.0/16
1 residential-proxy exit · 30 daysChina Education and Research Network Center · space held by China Education and Research Network
Residential-proxy exits
Proxy exits
1
<0.01% of its addresses · 30 days
Spread
1 of 256
/24s with at least one exit
Providers
19
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
726 observations
Proxy providers listing exits
- 2Captcha
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- EnigmaProxy
- FlexyProxies
- GonzoProxy
- Infatica
- MangoProxy
- NodeMaven
- NodeProxy
- NovaProxy
- Proxy-Seller
- ProxyEmpire
- Proxyma
- RainProxy
- Shifter
- VantageProxies
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 211.64.0.0/13 since May 2005 | AS4538 | Business | 243 5 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 |
|---|---|---|---|---|---|
| 211.66.0.0/20 since Feb 2021 | AS4538 | Business | 1 | China Education and Research Network | |
| 211.66.16.0/20 since Feb 2021 | AS4538 | Business | China Education and Research Network | ||
| 211.66.72.0/23 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 211.66.82.0/24 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 211.66.86.0/23 since Feb 2021 | AS4538 | Business | China Education and Research Network | ||
| 211.66.96.0/20 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 211.66.112.0/20 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 211.66.128.0/20 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 211.66.152.0/21 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 211.66.160.0/20 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 211.66.186.0/24 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 211.66.188.0/24 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 211.66.192.0/21 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 211.66.206.0/23 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 211.66.208.0/22 since Oct 2019 | AS4538 | Business | China Education and Research Network | ||
| 211.66.216.0/21 since Jun 2026 | AS4538 | Business | China Education and Research Network | ||
| 211.66.240.0/21 | AS4538 | Business | China Education and Research Network | ||
| 211.66.248.0/21 since Mar 2023 | 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
- Rotating
- First seen
- May 2005
- Current origin since
- Sep 2024 · 2.1 yr
- Origin networks
- 2
- Last change of origin
- Sep 2024
Recorded history
History
- Handoffs
- 4
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 211.66.64.0/24 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 211.66.64.0/24 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 211.66.80.0/24 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 211.66.80.0/24 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
| 211.66.84.0/24 | AS4538 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 211.66.84.0/24 | AS4538 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 26, 2016 |
Whois
Registration for this announcement
- Range
- 211.
64. 0. 0 - 211. 69. 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
- Oct 20, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Sep 17, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cernet. edu. cn - Name
- ABUSE CERNETAP
- Handle
- AC1685-AP