Data as of Nov 6, 2026
103.253.204.0/22
No anonymizer space · no proxy exits in 30 days21Vianet.Co.,Ltd
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
- Range
- 103.
253. 204. 0/ 22 - Registration type
- ALLOCATED PORTABLE
Origin network
AS17428
CN
- Name
- 21Vianet.Co.,Ltd
- Type
- Hosting
- Registered
- Oct 19, 2000
- Domain
- 21vianet.com
- Website
- www.en.21vianet.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2014
- Current origin since
- Feb 2017 · 9.7 yr
- Origin networks
- 2
- Last change of origin
- Jan 2015
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS17428 | NTTCOM | 21Vianet IP Network | MAINT-AS17428 | Feb 19, 2016 |
Whois
Registration for this announcement
- Range
- 103.
253. 204. 0/ 22 - Netname
- STIDC
- Registrant country
- CN
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 29, 2021
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Nov 22, 2013
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP