Data as of Nov 5, 2026
221.3.192.0/22
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by China Unicom Yunnan province network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 221.3.128.0/17 since May 2005 | AS4837 | Residential | 43 2 always on | China Unicom Yunnan province network |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, 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@ |
| └ 221.3.192.0/29 | 8 | yunnan-km-KK-education-agency | yunnan kunming KK education agency,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.192.8/29 | 8 | yunnan-km-NanTian-Hotel | yunnan kunming NanTian Hotel,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.192.16/29 | 8 | yn-km-LvZhou-power-supply-bureau | yunnan kunming LvZhou power supply bureau,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.192.24/29 | 8 | yn-km-TaiLi-food-Bureau | yunnan kunming TaiLi food Bureau,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.192.32/27 | 32 | yn-km-NL-police-department | yunnan kunming NL police department,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.192.64/27 | 32 | yn-km-NL-revenue | yunnan kunming NL revenue,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.192.96/27 | 32 | yn-km-LM-poststation | yunnan kunming LM poststation,kunming,yunnan | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
| └ 221.3.192.128/25 | 128 | DALI-CANGSHAN-NETWROK | Cangshan Network,Yunnan Province Dali | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-YN |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
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 | |
| Business | 256 | 25% | 8 |
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
- Aug 2025
- Current origin since
- Aug 2025 · 1.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.3.192.0/22 | 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