Data as of Nov 8, 2026
36.51.253.0/24
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
- Range
- 36.
51. 0. 0/ 16 - Registration type
- ALLOCATED PORTABLE
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
- Rotating
- First seen
- Nov 2013
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2025
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 36.51.253.0/24 | AS4837 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 36.
51. 0. 0/ 16 - Netname
- SINA
- Registrant country
- CN
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 28, 2023
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Jan 28, 2011
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP