Data as of Nov 5, 2026
43.240.56.0/22
No anonymizer space · no proxy exits in 30 daysCHINA UNICOM China169 Backbone · space held by TianJin ERENB Technology Development Co.,Ltd.
Announcement
this exact prefix
RPKI invalid (origin)
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Sep 18, 2026
from AS4837 CHINA UNICOM China169 Backbone
Network & registry
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2014
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 43.240.56.0/22 | AS0 | /22 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 43.
240. 56. 0/ 22 - Netname
- ERENB-NET
- Registrant
- TianJin ERENB Technology Development Co.,Ltd.
- Registrant country
- CN
- Organization
- TianJin ERENB Technology Development Co.,Ltd.
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 12, 2024
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Aug 12, 2014
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP