Data as of Nov 3, 2026
203.166.166.0/24
No anonymizer space · no proxy exits in 30 daysChina Unicom · space held by Entrust Network Inc.
Network & registry
Origin network
AS138421
CN
- Name
- China Unicom
- Type
- Hosting
- Registered
- Nov 13, 2018
- Domain
- chinaunicom.cn
- Industry
- Media, Publishing, and Broadcasting
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2019
- Current origin since
- Aug 2021 · 5.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2021
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.166.166.0/24 | AS138421 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 203.166.160.0/19
- Netname
- ENTRUSTNET
- Registrant
- Entrust Network Inc.
- Registrant country
- CN
- Organization
- Entrust Network Inc.
- 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
- Sep 22, 2005
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE CNNICCN
- Handle
- AC1601-AP