Data as of Nov 14, 2026
219.231.172.0/24
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
0.39% of its addresses · 30 days
Always-on exits
1
100% of its exits
Providers
1
selling exits here
Oct 15, 2026 – Nov 13, 2026
Exits seen per day
2.6K observations
Proxy providers listing exits
- ProxyRack
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 219.224.0.0/13 since May 2005 | AS4538 | Business | 182 2 always on |
Network & registry
Announced by
Covering announcement 219.231.160.0/20
- Prefix
- 219.231.160.0/20
- Announced by
- AS4538 China Education and Research Network Center
- Type
- Business
- Proxy exits
- 24
- Always-on exits
- 2
- RPKI
- No RPKI
- Netname
- CERNET-CN
- Registrant
- China Education and Research Network
- RIR
- APNIC
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
219.231.160.0/20
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Mar 2025 · 1.7 yr
- Origin networks
- 2
- Last change of origin
- Mar 2025
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 219.
230. 0. 0/ 15 - 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
- Sep 3, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Aug 5, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cernet. edu. cn - Name
- ABUSE CERNETAP
- Handle
- AC1685-AP