Data as of Nov 13, 2026
221.
- Proxy activity
- Not seen in 30 days
- Type
- Business
- Risk
- 0 / 100 · Low
- Recent change
- Announced by AS4837 since Aug 20263 mo ago
- Announced by
- AS4837CHINA UNICOM China169 BackboneInternet provider
- Announcement
- 221.214.7.0/24RPKI valid
- Company
- SDVCAF
- Location
- Jinan, Shandong, China
Network & registry
Announced by
Announcement
- Prefix
- 221.214.7.0/24
- Announced by
- AS4837 CHINA UNICOM China169 Backbone
- Type
- Residential
- RPKI
- RPKI valid
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 221.214.7.0/24
221.214.7.0/24
Routing history
- Pattern
- Stable
- First seen
- Aug 2026
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.214.7.0/24 | AS4837 | /24 | APNIC | RPKI valid |
| 221.214.0.0/15 | AS4837 | /15 | APNIC | Too specific |
Whois
Registration for this address
- Range
- 221.
214. 0. 0/ 15 - Netname
- UNICOM-SD
- Registrant
- China Unicom Shandong province network
- Registrant country
- CN
- Organization
- China Unicom Shandong province network
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 21, 2023
- Maintainer
- APNIC-HM
- Sub-assignment
- 221.
214. 7. 4/ 32 - RIR
- APNIC
- Country
- CN
- Delegated
- Dec 11, 2003
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP