Data as of Nov 5, 2026
27.40.9.0/24
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by China Unicom Guangdong province network
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Jul 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 27.40.8.0/23 since Apr 2016 | AS17622 | Residential | China Unicom Guangdong province network | ||
| 27.40.8.0/22 since Apr 2012 | AS17622 | Residential | China Unicom Guangdong province network | ||
| 27.40.0.0/13 since Mar 2010 | AS17816 | Residential | 6,096 24 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 |
|---|---|---|---|---|---|---|
| 27.40.0.0/13 | 524,288 | UNICOM-GD | China Unicom Guangdong province network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 27.40.8.0/22 | 1,024 | GuangZhou-unicom | United-Communications-Network-Technology-Co-Ltd, GuangZhou | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ |
Network & registry
Registry
Holder
- Organization
- China Unicom Guangdong province network
- Range
- 27.
40. 0. 0/ 13 - 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
- Jul 2026
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 27.40.9.0/24 | AS4837 | /24 | APNIC | RPKI valid |
| 27.40.8.0/23 | AS17622 | /23 | APNIC | Another network |
| 27.40.8.0/22 | AS17622 | /22 | APNIC | Another network |
| 27.40.0.0/13 | AS17816 | /13 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 27.
40. 8. 0/ 22 - Netname
- GuangZhou-unicom
- Registrant
- United-Communications-Network-Technology-Co-Ltd, GuangZhou
- Registrant country
- CN
- Organization
- United-Communications-Network-Technology-Co-Ltd, GuangZhou
- Org country
- CN
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 21, 2023
- Maintainer
- MAINT-CNCGROUP-GD
- RIR
- APNIC
- Country
- CN
- Delegated
- Mar 23, 2010
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP