Data as of Nov 9, 2026
221.237.167.112/30
No anonymizer space · no proxy exits in 30 daysChina Telecom · space held by CHINANET Sichuan province network
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 221.236.0.0/15 | 131,072 | CHINANET-SC | CHINANET Sichuan province network | ALLOCATED PORTABLE | — | anti-spam@ |
| └ 221.237.167.112/30 | 4 | SC-CD-CHINA-7TH-Engineering-Bureau | unknown | ASSIGNED NON-PORTABLE | — | anti-spam@ via CHINANET-SC |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 221.237.0.0/16
- Prefix
- 221.237.0.0/16
- Announced by
- AS4134 China Telecom
- Type
- Residential
- Proxy exits
- 526
- Always-on exits
- 3
- RPKI
- RPKI valid
- Netname
- CHINANET-SC
- Registrant
- CHINANET Sichuan province network
- RIR
- APNIC
Origin network
AS4134
CN
- Name
- China Telecom
- Type
- Internet provider
- Registered
- Aug 1, 2002
- Domain
- chinatelecom.com.cn
- Website
- en.chinatelecom.com.cn/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 221.237.0.0/16
221.237.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Apr 2010
- Current origin since
- Apr 2010 · 17 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.237.0.0/16 | AS4134 | /16 | APNIC | RPKI valid |
IRR
Route objects on 221.237.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4134 | RADB | China Telecom Network | MAINT-CT-GNOC | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 221.
236. 0. 0/ 15 - Netname
- CHINANET-SC
- Registrant
- CHINANET Sichuan province network
- Registrant country
- CN
- Organization
- CHINANET Sichuan province network
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 15, 2021
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Sep 10, 2003
- Status
- assigned
Report abuse
Abuse contact
- anti-spam@
chinatelecom. cn - Name
- ABUSE CHINANETCN
- Handle
- AC1573-AP