Data as of Nov 10, 2026
210.77.4.0/22
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 |
|---|---|---|---|---|---|
| 210.77.0.0/21 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | ||
| 210.77.0.0/19 since Sep 2017 | AS7497 | Business | 1 | 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.
77. 0. 0/ 19 - Registration type
- ALLOCATED PORTABLE
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2013
- Current origin since
- Dec 2018 · 7.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 210.77.4.0/22 | AS7497 | /22 | APNIC | RPKI valid |
| 210.77.0.0/21 | AS7497 | /21 | APNIC | Too specific |
| 210.77.0.0/19 | AS7497 | /19 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 210.
77. 0. 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
- Aug 11, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse-ip@
cstnet. cn - Name
- ABUSE CSTNETCN
- Handle
- AC2741-AP