Data as of Nov 5, 2026
221.2.140.0/24
2 residential-proxy exits · 30 daysCHINA UNICOM China169 Backbone · space held by China Unicom Shandong province network
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Jul 2026
its first announcement on record
Residential-proxy exits
Proxy exits
2
0.78% of its addresses · 30 days
Providers
2
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
189 observations
Proxy providers listing exits
- Ake.net
- GSocks
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 221.2.0.0/16 since May 2005 | AS4837 | Residential | 173 14 always on | China Unicom Shandong province network |
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2026
- Current origin since
- Jul 2026 · 3 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.2.140.0/24 | AS4837 | /24 | APNIC | RPKI valid |
| 221.2.0.0/16 | AS4837 | /16 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 221.
0. 0. 0 - 221. 3. 127. 255 - 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
- Jan 22, 2025
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Dec 24, 2002
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP