Data as of Nov 9, 2026
221.4.37.0/24
1 residential-proxy exit · 30 daysChina Unicom Guangzhou network · space held by China Unicom Guangdong province network
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
5
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
3 observations
Proxy providers listing exits
- BirdProxies
- EnigmaProxy
- Infatica
- NodeProxy
- ProxyEmpire
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 221.4.32.0/19 since May 2014 | AS17622 | Residential | 224 3 always on | China Unicom Guangdong province network | |
| 221.4.0.0/16 since May 2005 | AS17816 | Residential | 281 9 always on | China Unicom Guangdong 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. | 98,304 | UNICOM-GD | China Unicom Guangdong province network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 221.4.37.0/27 | 32 | GD-GUANG-DIAN-POWER-GRID-GROUP | guangzhou city | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-GD |
| └ 221.4.37.32/29 | 8 | ZHUJIANG-POWERSUPPLY-FACTORY | guangzhou city | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-GD |
| └ 221.4.37.128/25 | 128 | GUANGZHOU-CENTER-HOTEL | guangzhou city | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-GD |
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
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 216 | 84% | 1 | |
| Business | 40 | 16% | 2 |
Network & registry
Announced by
Covering announcement 221.4.32.0/20
- Prefix
- 221.4.32.0/20
- Announced by
- AS17622 China Unicom Guangzhou network
- Type
- Residential
- Proxy exits
- 219
- Always-on exits
- 2
- RPKI
- RPKI valid
- Netname
- UNICOM-GD
- Registrant
- China Unicom Guangdong province network
- RIR
- APNIC
Origin network
AS17622
CN
- Name
- China Unicom Guangzhou network
- Type
- Internet provider
- Registered
- Jan 18, 2001
- Domain
- chinaunicom.cn
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
221.4.32.0/20
Routing history
- Pattern
- Stable
- First seen
- May 2014
- Current origin since
- May 2014 · 12 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.4.32.0/20 | AS17622 | /20 | APNIC | RPKI valid |
| 221.4.32.0/19 | AS17622 | /19 | APNIC | Too specific |
| 221.4.0.0/16 | AS17816 | /16 | APNIC | Another network |
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