Data as of Nov 3, 2026
182.175.243.0/24
No anonymizer space · no proxy exits in 30 daysChina Unicom Shanghai network · space held by 21ViaNet(China),Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Sep 18, 2026
from AS4811 China Telecom (Group)
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 182.175.0.0/16 since May 2026 | AS9308 | Hosting | |
| 182.174.0.0/15 since Aug 2012 | AS23724 | Hosting |
Network & registry
Origin network
AS17621
CN
- Name
- China Unicom Shanghai network
- Type
- Internet provider
- Registered
- Jan 18, 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
- Rotating
- First seen
- Jul 2015
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 3
- Last change of origin
- Sep 18, 2026
Recorded history
History
- Handoffs
- 3
- Also announced by
- 4811
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 182.175.242.0/23 | AS4811 | /32 | APNIC | Another network |
| 182.175.242.0/23 | AS9308 | /32 | APNIC | Another network |
| 182.175.242.0/23 | AS9802 | /32 | APNIC | Another network |
| 182.175.242.0/23 | AS17428 | /32 | APNIC | Another network |
| 182.175.242.0/23 | AS17621 | /32 | APNIC | RPKI valid |
| 182.175.242.0/23 | AS24400 | /32 | APNIC | Another network |
| 182.175.242.0/23 | AS59020 | /32 | APNIC | Another network |
IRR
Route objects on the exact prefix
Whois
Registration for this announcement
- Range
- 182.175.242.0/23
- Netname
- CHINA-21VIANET
- Registrant
- 21ViaNet(China),Inc.
- Registrant country
- CN
- Organization
- 21ViaNet(China),Inc.
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 16, 2021
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Apr 13, 2010
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE CNNICCN
- Handle
- AC1601-AP