Data as of Nov 7, 2026
182.175.242.0/24
No anonymizer space · no proxy exits in 30 daysChina Telecom (Group) · 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 Nov 6, 2026
from AS17621 China Unicom Shanghai network
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
AS4811
CN
- Name
- China Telecom (Group)
- Type
- Internet provider
- Registered
- May 12, 1999
- Domain
- chinatelecom.com.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
- Nov 6, 2026 · under a month
- Origin networks
- 3
- Last change of origin
- Sep 18, 2026
Recorded history
History
- Handoffs
- 3
- Also announced by
- 17621
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 182.175.242.0/23 | AS4811 | /32 | APNIC | RPKI valid |
| 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 | Another network |
| 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
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4811 | RADB | SHIDC | MAINT-AS4812 | Nov 13, 2023 |
| AS17428 not the origin | RADB | Proxy-registered route object | MAINT-HGC-INTL | Oct 2, 2026 |
| AS17621 not the origin | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 25, 2016 |
| AS17621 not the origin | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
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
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP