Data as of Nov 10, 2026
221.6.175.0/24
No anonymizer space · no proxy exits in 30 daysUNICOM JiangSu Suzhou IDC network · space held by China Unicom Jiangsu province network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 221.6.0.0/16 since May 2005 | AS4837 | Residential | 121 7 always on | China Unicom Jiangsu province network |
Network & registry
Origin network
AS140717
CN
- Name
- UNICOM JiangSu Suzhou IDC network
- Type
- Hosting
- Registered
- Jun 12, 2020
- Domain
- chinaunicom.cn
- Industry
- Media, Publishing, and Broadcasting
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2021
- Current origin since
- Aug 2021 · 5.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.6.175.0/24 | AS140717 | /24 | APNIC | RPKI valid |
| 221.6.0.0/16 | AS4837 | /16 | APNIC | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS140717 | APNIC | China Unicom | MAINT-CNCGROUP-RR | Jun 8, 2023 |
Whois
Registration for this announcement
- Range
- 221.
6. 0. 0/ 16 - Netname
- UNICOM-JS
- Registrant
- China Unicom Jiangsu province network
- Registrant country
- CN
- Organization
- China Unicom Jiangsu 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
- Jan 9, 2003
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP