Data as of Nov 3, 2026
210.76.192.0/19
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 |
|---|---|---|---|---|
| 210.76.192.0/21 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.76.192.0/22 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.76.197.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.76.198.0/23 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.76.200.0/21 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.76.202.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.76.206.0/23 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.76.208.0/21 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.76.208.0/23 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.76.210.0/24 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.76.212.0/22 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.76.216.0/21 since Dec 2018 | AS7497 | Business | Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | |
| 210.76.216.0/22 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
- 210.76.192.0/19
- Registration type
- ALLOCATED PORTABLE
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Sep 2017 · 9.1 yr
- Origin networks
- 2
- Last change of origin
- Feb 2014
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 210.76.192.0/19 | AS7497 | /19 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 210.76.192.0/20 | AS7497 | APNIC | Chinese Science & Technology Network, YanJiuShengYuan. | MAINT-CSTNET-CN | Oct 6, 2023 |
| 210.76.208.0/20 | AS7497 | APNIC | Chinese Science & Technology Network, YanJiuShengYuan. | MAINT-CSTNET-CN | Oct 6, 2023 |
Whois
Registration for this announcement
- Range
- 210.76.192.0/19
- 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
- [email protected]
- Name
- ABUSE CSTNETCN
- Handle
- AC2741-AP