Data as of Nov 11, 2026
210.72.32.0/19
No anonymizer space · no proxy exits in 30 daysData Management Centre National Bureau of Statistics of China · space held by Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
Announcement
this exact prefix
RPKI invalid (origin)
Announced by
Type
Business
Recent change
New origin Sep 18, 2026
from AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS), after 3.2 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 210.72.0.0/17 since Oct 2016 | AS7497 | Business | 12 | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 210.72.32.0/20 since Jul 2026 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.72.48.0/20 since Jul 2026 | AS7497 | Business | 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.
72. 0. 0/ 17 - Registration type
- ALLOCATED PORTABLE
Origin network
AS9807
CN
- Name
- Data Management Centre National Bureau of Statistics of China
- Type
- Education
- Registered
- Jan 10, 2000
- Domain
- bta.net.cn
- Industry
- Software Development
- 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 18, 2026 · 2 mo
- Origin networks
- 2
- Last change of origin
- Sep 18, 2026
Recorded history
History
- Handoffs
- 6
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 210.72.0.0/17 | AS7497 | /17 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 210.
72. 0. 0/ 17 - Netname
- CSTNET-CN
- Registrant country
- CN
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 9, 2023
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- May 1, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse-ip@
cstnet. cn - Name
- ABUSE CSTNETCN
- Handle
- AC2741-AP