Data as of Nov 9, 2026
221.4.144.0/20
2 residential-proxy exits · 30 daysChina Unicom IP network China169 Guangdong province · space held by China Unicom Guangdong province network
Residential-proxy exits
Proxy exits
2
0.05% of its addresses · 30 days
Spread
2 of 16
/24s with at least one exit
Providers
4
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
30 observations
- Residential
- Business
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 221.4.150.0/24 | 0 | 1 | |
| 221.4.158.0/24 | 0 | 1 |
Proxy providers listing exits
- Proxiware
- Proxy-Seller
- RainProxy
- Shifter
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 221.4.146.0/24 since May 2018 | AS136959 | Hosting | China Unicom Guangdong province network | |
| 221.4.154.0/24 since May 2018 | AS136959 | Hosting | China Unicom Guangdong province network | |
| 221.4.156.0/24 since Aug 2026 | AS17816 | Residential | China Unicom Guangdong province network | |
| 221.4.159.0/24 since May 2018 | AS136959 | Hosting | China Unicom Guangdong province network |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 2,641 | 64% | 84 | |
| Hosting | 768 | 19% | 3 | |
| Business | 687 | 17% | 113 |
Network & registry
Announced by
Covering announcement 221.4.0.0/16
- Prefix
- 221.4.0.0/16
- Announced by
- AS17816 China Unicom IP network China169 Guangdong province
- Type
- Residential
- Proxy exits
- 281
- Always-on exits
- 9
- RPKI
- RPKI valid
- Netname
- UNICOM-GD
- Registrant
- China Unicom Guangdong province network
- RIR
- APNIC
Origin network
AS17816
CN
- Name
- China Unicom IP network China169 Guangdong province
- Type
- Internet provider
- Registered
- Jul 11, 2001
- Domain
- chinaunicom.cn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 221.4.0.0/16
221.4.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.4.0.0/16 | AS17816 | /16 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 221.
4. 0. 0 - 221. 5. 127. 255 - Netname
- UNICOM-GD
- Registrant
- China Unicom Guangdong province network
- Registrant country
- CN
- Organization
- China Unicom Guangdong 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