Data as of Nov 8, 2026
222.17.0.0/16
2 residential-proxy exits · 30 daysChina Education and Research Network Center · space held by China Education and Research Network
Residential-proxy exits
Proxy exits
2
<0.01% of its addresses · 30 days
Spread
2 of 256
/24s with at least one exit
Providers
2
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
2 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 222.17.43.0/24 | 0 | 1 | |
| 222.17.44.0/24 | 0 | 1 |
Proxy providers listing exits
- NodeProxy
- Proxyma
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 222.16.0.0/15 since Jun 2026 | AS4538 | Business | 57 4 always on | China Education and Research Network | |
| 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 |
|---|---|---|---|---|---|
| 222.17.0.0/21 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 222.17.8.0/22 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 222.17.12.0/23 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 222.17.14.0/23 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 222.17.24.0/22 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 222.17.32.0/19 since Mar 2023 | AS4538 | Business | 2 | China Education and Research Network | |
| 222.17.64.0/20 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 222.17.86.0/23 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 222.17.96.0/19 since Mar 2023 | AS4538 | Business | China Education and Research Network | ||
| 222.17.128.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.17.144.0/20 since Sep 18, 2026 | AS4538 | Business | China Education and Research Network | ||
| 222.17.168.0/24 | AS4538 | Business | China Education and Research Network | ||
| 222.17.176.0/23 | AS4538 | Business | China Education and Research Network | ||
| 222.17.178.0/23 | AS4538 | Business | China Education and Research Network | ||
| 222.17.180.0/22 | AS4538 | Business | China Education and Research Network | ||
| 222.17.192.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.17.192.0/24 | AS4538 | Business | China Education and Research Network | ||
| 222.17.208.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.17.224.0/21 | AS4538 | Business | China Education and Research Network | ||
| 222.17.232.0/21 | AS4538 | Business | China Education and Research Network | ||
| 222.17.240.0/20 | AS4538 | Business | China Education and Research Network | ||
| 222.17.240.0/24 | 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
- Rotating
- First seen
- May 2005
- Current origin since
- Sep 2024 · 2.2 yr
- Origin networks
- 2
- Last change of origin
- Dec 2022
Recorded history
History
- Handoffs
- 4
Whois
Registration for this announcement
- Range
- 222.
16. 0. 0/ 15 - Netname
- GZR-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 8, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cernet. edu. cn - Name
- ABUSE CERNETAP
- Handle
- AC1685-AP