Data as of Nov 14, 2026
180.178.252.0/22
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by Hangzhou YouYun 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
- Oct 2019
- Current origin since
- Oct 2019 · 7.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 180.178.252.0/22 | AS4837 | /32 | APNIC | RPKI valid |
| 180.178.192.0/18 | AS63718 | /32 | APNIC | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4837 | RADB | route of Chinaunicom | MAINT-AS10099 | Jun 14, 2024 |
Whois
Registration for this announcement
- Range
- 180.
178. 192. 0/ 18 - Netname
- HZ-YOUYUN
- Registrant
- Hangzhou YouYun Technology Co., Ltd.
- Registrant country
- CN
- Organization
- Hangzhou YouYun Technology Co., Ltd.
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 26, 2021
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Sep 16, 2009
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP