Data as of Nov 11, 2026
58.16.185.0/24
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by China Unicom Guizhou province network
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Aug 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 58.16.0.0/16 since Apr 2006 | AS4837 | Residential | 1,620 6 always on | China Unicom Guizhou 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 |
|---|---|---|---|---|---|---|
| 58.16.0.0/16 | 65,536 | UNICOM-GZ | China Unicom Guizhou province network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 58. | 3,584 | UNICOM-GZ | GuiZhou BiJie MA5200G-BAS Internet Access | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ |
Network & registry
Registry
Holder
- Organization
- China Unicom Guizhou province network
- Range
- 58.
16. 0. 0/ 16 - Registration type
- ALLOCATED PORTABLE
Origin network
AS4837
CN
- Name
- CHINA UNICOM China169 Backbone
- Type
- Internet provider
- Registered
- Sep 17, 2001
- Domain
- chinaunicom.cn
- Website
- www.chinaunicom.cn/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2026
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 58.16.185.0/24 | AS4837 | /24 | APNIC | RPKI valid |
| 58.16.0.0/16 | AS4837 | /16 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 58.
16. 178. 0 - 58. 16. 191. 255 - Netname
- UNICOM-GZ
- Registrant
- GuiZhou BiJie MA5200G-BAS Internet Access
- Registrant country
- CN
- Organization
- GuiZhou BiJie MA5200G-BAS Internet Access
- Org country
- CN
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 22, 2025
- Maintainer
- MAINT-CNCGROUP-GZ
- RIR
- APNIC
- Country
- CN
- Delegated
- Jan 25, 2005
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP