Data as of Nov 11, 2026
210.75.239.0/24
No anonymizer space · no proxy exits in 30 daysComputer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 210.75.224.0/19 since Oct 2016 | AS7497 | Business | 5 1 always on | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) |
Network & registry
Registry
Holder
- Organization
- Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
- Handle
- ORG-CA107-AP
- Range
- 210.
75. 224. 0/ 19 - Registration type
- ALLOCATED PORTABLE
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2026
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 210.75.239.0/24 | AS7497 | /24 | APNIC | RPKI valid |
| 210.75.224.0/19 | AS7497 | /19 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 210.
75. 224. 0/ 19 - Netname
- CSTNET-CN
- Registrant country
- CN
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 10, 2023
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Apr 6, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse-ip@
cstnet. cn - Name
- ABUSE CSTNETCN
- Handle
- AC2741-AP