Data as of Nov 12, 2026
203.196.4.0/24
No anonymizer space · no proxy exits in 30 daysIDC, China Telecommunications Corporation · space held by 21ViaNet(China),Inc.
Network & registry
Announced by
Covering announcement 203.196.0.0/21
- Prefix
- 203.196.0.0/21
- Announced by
- AS23724 IDC, China Telecommunications Corporation
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- CHINA-21VIANET
- Registrant
- 21ViaNet(China),Inc.
- RIR
- APNIC
Origin network
AS23724
CN
- Name
- IDC, China Telecommunications Corporation
- Type
- Hosting
- Registered
- Apr 22, 2003
- Domain
- chinatelecom.cn
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 203.196.0.0/21
203.196.0.0/21
Routing history
- Pattern
- Stable
- First seen
- Aug 2012
- Current origin since
- May 2017 · 9.5 yr
- Origin networks
- 2
- Last change of origin
- Nov 2016
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.196.0.0/21 | AS4808 | /32 | APNIC | Another network |
| 203.196.0.0/21 | AS4835 | /32 | APNIC | Another network |
| 203.196.0.0/21 | AS9308 | /32 | APNIC | Another network |
| 203.196.0.0/21 | AS9802 | /32 | APNIC | Another network |
| 203.196.0.0/21 | AS9808 | /32 | APNIC | Another network |
| 203.196.0.0/21 | AS23724 | /32 | APNIC | RPKI valid |
| 203.196.0.0/21 | AS56048 | /32 | APNIC | Another network |
| 203.196.0.0/21 | AS133111 | /32 | APNIC | Another network |
| 203.196.0.0/21 | AS141679 | /32 | APNIC | Another network |
IRR
Route objects on 203.196.0.0/21
Whois
Registration for this announcement
- Range
- 203.
196. 0. 0/ 21 - Netname
- CHINA-21VIANET
- Registrant
- 21ViaNet(China),Inc.
- Registrant country
- CN
- Organization
- 21ViaNet(China),Inc.
- 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
- Apr 11, 1997
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP