Data as of Nov 6, 2026
103.37.12.0/22
No anonymizer space · no proxy exits in 30 daysAS58540 · space held by Cenvan (Jinan) Network Technology CO.,LTD
Network & registry
Origin network
AS58540
CN
- Type
- Hosting
- Registered
- Mar 2, 2012
- Domain
- chinatelecom.cn
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2017
- Current origin since
- May 2017 · 9.5 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS58540 | RADB | Chinanet ZhuZhou Network | MAINT-CT-GNOC | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 103.
37. 12. 0/ 22 - Netname
- Cenvan-JN
- Registrant
- Cenvan (Jinan) Network Technology CO.,LTD
- Registrant country
- CN
- Organization
- Cenvan (Jinan) Network Technology CO.,LTD
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 16, 2021
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Aug 19, 2014
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP