Data as of Nov 6, 2026
221.3.240.0/24
1 residential-proxy exit · 30 daysCHINA UNICOM China169 Backbone · space held by China Unicom Yunnan province network
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
16 observations
Proxy providers listing exits
- Ake.net
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 221.3.128.0/17 since May 2005 | AS4837 | Residential | 44 2 always on | China Unicom Yunnan province network |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 221.3.128.0/17 | 32,768 | UNICOM-YN | China Unicom Yunnan province network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 221.3.240.0/28 | 16 | yn-km-AnBang-insurance-agent | yunnan kunming AnBang insurance agent,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.240.16/30 | 4 | yn-km-agricultural-bank | yunnan kunming agricultural bank,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221. | 8 | yn-km-traffic-office | yunnan kunming traffic office,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221. | 8 | yn-km-YongAn-property-insurance-company | yunnan kunming YongAn property insurance company,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221. | 32 | yn-km-the-Pacific-ocean-stockjobber | yunnan kunming the Pacific ocean stockjobber,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.240.68/30 | 4 | yn-km-JianShe-bank | yunnan kunming JianShe bank,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221. | 16 | yn-km-earthquake-office | yunnan kunming earthquake office,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.240.88/29 | 8 | yn-km-rural-credit-cooperatives | yunnan kunming rural credit cooperatives,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.240.96/28 | 16 | yn-km-YunZhen-agency | yunnan kunming YunZhen agency,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221. | 32 | yn-km-statistic-bureau | yunnan kunming statistic bureau,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.240.144/29 | 8 | yn-km-kunming-ICBC | yunnan kunming kunming ICBC,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.240.152/29 | 8 | yn-km-tobacco-company | yunnan kunming tobacco company,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.240.160/28 | 16 | yn-km-transportation-company | yunnan kunming transportation company,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221. | 32 | yn-km-electricity-company | yunnan kunming electricity company,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.240.208/30 | 4 | yn-km-TongXin-food-company | yunnan kunming TongXin food company,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221. | 8 | yn-km-YuanFeng-computer-company | yunnan kunming YuanFeng computer company,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.240.220/30 | 4 | yn-km-Land-and-Resources-Bureau | yunnan kunming Land and Resources Bureau,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.240.224/29 | 8 | yn-km-HaoYun-store | yunnan kunming HaoYun store,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.240.232/29 | 8 | yn-km-vocational-technical-school | yunnan kunming vocational technical school,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.240.240/28 | 16 | yn-km-local-marine-board | yunnan kunming local marine board,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221. | 15 | yn-km-local-marine-board | yunnan kunming local marine board,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via yn-km-local-marine-board |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 221.3.240.0/22
- Prefix
- 221.3.240.0/22
- Announced by
- AS4837 CHINA UNICOM China169 Backbone
- Type
- Residential
- Proxy exits
- 1
- RPKI
- RPKI valid
- Netname
- UNICOM-YN
- Registrant
- China Unicom Yunnan province network
- 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
Covering aggregate above, the prefix's own history below
221.3.240.0/22
Routing history
- Pattern
- Stable
- First seen
- Aug 2025
- Current origin since
- Aug 2025 · 1.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.3.240.0/22 | AS4837 | /22 | APNIC | RPKI valid |
| 221.3.128.0/17 | AS4837 | /17 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 221.
3. 128. 0/ 17 - Netname
- UNICOM-YN
- Registrant
- China Unicom Yunnan province network
- Registrant country
- CN
- Organization
- China Unicom Yunnan 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 8, 2003
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP