Data as of Nov 8, 2026
103.221.140.0/22
1 residential-proxy exit · 30 daysCHINA UNICOM China169 Backbone · space held by Nangjing sichongzou kemao Ltd.
Residential-proxy exits
Proxy exits
1
0.10% of its addresses · 30 days
Spread
1 of 4
/24s with at least one exit
Providers
1
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
1 observation
Proxy providers listing exits
- Shifter
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 103.221.143.0/24 since May 2025 | AS137702 | Hosting | Nangjing sichongzou kemao Ltd. |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 768 | 75% | 1 | |
| Hosting | 256 | 25% | 1 |
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2017
- Current origin since
- Feb 2017 · 9.7 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4837 | APNIC | China Unicom China169 Network | MAINT-CNCGROUP-RR | May 12, 2017 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 103.221.142.0/23 | AS137702 | RADB | CTJS NJ-IDC | MAINT-AS137702 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 103.
221. 140. 0/ 22 - Netname
- NJSCZ
- Registrant
- Nangjing sichongzou kemao Ltd.
- Registrant country
- CN
- Organization
- Nangjing sichongzou kemao Ltd.
- 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
- Jun 1, 2016
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP