Data as of Nov 8, 2026
157.255.42.0/24
No anonymizer space · no proxy exits in 30 daysChina Unicom Guangdong IP network · space held by China Unicom Guangdong province network
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Sep 2026
from AS136958 China Unicom Guangdong IP network, after 5.9 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 157.255.40.0/21 since Oct 2018 | AS136958 | Hosting | 4 | China Unicom Guangdong province network | |
| 157.255.0.0/16 since Mar 2012 | AS17816 | Residential | 4 | China Unicom Guangdong province network |
Network & registry
Origin network
AS136958
CN
- Name
- China Unicom Guangdong IP network
- Type
- Hosting
- Registered
- Sep 4, 2017
- Domain
- chinaunicom.cn
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2020
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 157.255.42.0/24 | AS136958 | /24 | APNIC | RPKI valid |
| 157.255.40.0/21 | AS136958 | /21 | APNIC | Too specific |
| 157.255.0.0/16 | AS17816 | /16 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 157.
255. 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
- Jan 22, 2025
- 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