Data as of Nov 7, 2026
210.73.0.0/18
No anonymizer space · no proxy exits in 30 daysComputer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
Announcements
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 | Holder | RPKI |
|---|---|---|---|---|
| 210.73.1.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.2.0/23 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.4.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.5.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.6.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.7.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.10.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.12.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.15.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.16.0/20 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.32.0/23 since May 2026 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.34.0/24 since May 2026 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.35.0/24 since May 2026 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.36.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.40.0/23 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.48.0/24 since Jan 2019 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.50.0/23 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.50.0/24 since May 2026 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.52.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.54.0/23 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.56.0/23 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.59.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.60.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.61.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.73.62.0/23 since Dec 2018 | 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.
73. 0. 0/ 18 - Registration type
- ALLOCATED PORTABLE
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2016 · 10 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 210.73.0.0/18 | AS7497 | /18 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 210.73.0.0/21 | AS7497 | APNIC | Chinese Science & Technology Network, XiaoQu KuanDai. | MAINT-CSTNET-CN | Oct 6, 2023 |
| 210.73.8.0/21 | AS7497 | APNIC | Chinese Science & Technology Network, XiaoQu KuanDai. | MAINT-CSTNET-CN | Oct 6, 2023 |
Whois
Registration for this announcement
- Range
- 210.
73. 0. 0/ 18 - 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
- Oct 21, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse-ip@
cstnet. cn - Name
- ABUSE CSTNETCN
- Handle
- AC2741-AP