Data as of Nov 10, 2026
221.4.33.0/24
No anonymizer space · no proxy exits in 30 daysChina Unicom Guangzhou network · space held by China Unicom Guangdong province network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 221.4.32.0/20 since May 2014 | AS17622 | Residential | 219 2 always on | China Unicom Guangdong province network | |
| 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 |
Network & registry
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
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2025
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.4.33.0/24 | AS17622 | /24 | APNIC | RPKI valid |
| 221.4.32.0/20 | AS17622 | /20 | APNIC | Too specific |
| 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