Data as of Nov 13, 2026
220.205.136.0/24
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by China Unicom
Network & registry
Announced by
Covering announcement 220.205.0.0/16
- Prefix
- 220.205.0.0/16
- Announced by
- AS4837 CHINA UNICOM China169 Backbone
- Type
- Residential
- Proxy exits
- 1,001
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- UNICOM
- Registrant
- China Unicom
- RIR
- APNIC
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 220.205.0.0/16
220.205.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Nov 2005
- Current origin since
- Jun 2020 · 6.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2020
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 220.205.0.0/16 | AS4837 | /16 | APNIC | RPKI valid |
IRR
Route objects on 220.205.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4837 | RADB | route of Chinaunicom | MAINT-AS10099 | Jun 14, 2024 |
Whois
Registration for this announcement
- Range
- 220.
192. 0. 0/ 12 - Netname
- UNICOM
- Registrant
- China Unicom
- Registrant country
- CN
- Organization
- China Unicom
- 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
- Dec 11, 2002
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP