Data as of Nov 12, 2026
27.112.0.0/21
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by Beijing Yiwangxin Technology Co;Ltd.
Network & registry
Origin network
AS4837
CN
- Name
- CHINA UNICOM China169 Backbone
- Type
- Internet provider
- Registered
- Sep 17, 2001
- Domain
- chinaunicom.cn
- Website
- www.chinaunicom.cn/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2011
- Current origin since
- Nov 2016 · 10.0 yr
- Origin networks
- 6
- Last change of origin
- Feb 2017
Recorded history
History
- Handoffs
- 10
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4837 | APNIC | China Unicom Tianjin Province network | MAINT-CNCGROUP-RR | Jan 12, 2012 |
Whois
Registration for this announcement
- Range
- 27.
112. 0. 0/ 18 - Netname
- YWNET
- Registrant
- Beijing Yiwangxin Technology Co;Ltd.
- Registrant country
- CN
- Organization
- Beijing Yiwangxin Technology Co;Ltd.
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 28, 2023
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Jul 2, 2010
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP