Data as of Nov 10, 2026
221.4.61.0/24
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 |
|---|---|---|---|---|---|
| 221.4.48.0/20 since Apr 2016 | AS17622 | Residential | 5 1 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 |
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. | 98,304 | UNICOM-GD | China Unicom Guangdong province network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 221.4.56.0/21 | 2,048 | MODEM-DIAL-CUSTOMER | 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.
Network & registry
Registry
Holder
- Organization
- China Unicom Guangdong province network
- Range
- 221.
4. 0. 0 - 221. 5. 127. 255 - Registration type
- ALLOCATED PORTABLE
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 |
|---|---|---|---|---|
| 221.4.61.0/24 | AS17622 | /24 | APNIC | RPKI valid |
| 221.4.48.0/20 | 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. 56. 0/ 21 - Netname
- MODEM-DIAL-CUSTOMER
- Registrant
- guangzhou city
- Registrant country
- CN
- Organization
- guangzhou city
- Org country
- CN
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Sep 4, 2008
- Maintainer
- MAINT-CNCGROUP-GD
- RIR
- APNIC
- Country
- CN
- Delegated
- Jan 8, 2003
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP