Data as of Nov 8, 2026
157.122.48.0/21
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 |
|---|---|---|---|---|---|
| 157.122.48.0/20 since Oct 2014 | AS17622 | Residential | 3 1 always on | China Unicom Guangdong province network | |
| 157.122.32.0/19 since Oct 2014 | AS17622 | Residential | 3 1 always on | China Unicom Guangdong province network | |
| 157.122.0.0/16 since Sep 2011 | AS17816 | Residential | 247 8 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
- Oct 2014
- Current origin since
- Oct 2014 · 12 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 157.122.48.0/21 | AS17622 | /21 | APNIC | RPKI valid |
| 157.122.48.0/20 | AS17622 | /20 | APNIC | Too specific |
| 157.122.32.0/19 | AS17622 | /19 | APNIC | Too specific |
| 157.122.0.0/16 | AS17816 | /16 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 157.
122. 0. 0/ 16 - 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
- Oct 21, 2023
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Mar 30, 2011
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP