Data as of Nov 6, 2026
103.152.66.0/23
No anonymizer space · no proxy exits in 30 daysJoetsu Cable Vision · space held by JMiX Co., Ltd.
Network & registry
Origin network
AS131937
JP
- Name
- Joetsu Cable Vision
- Type
- Internet provider
- Registered
- Aug 4, 2011
- Domain
- jcv.co.jp
- Website
- www.jcv.co.jp/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2020
- Current origin since
- Mar 2026 · 8 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.152.66.0/23 | AS131937 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS131937 | JPIRR | Joetsu Cable Vision IPv4 CIDR-block JMiX NO.1 | MAINT-AS131937 | Dec 2, 2025 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 103.152.66.0/24 | AS131937 | JPIRR | Joetsu Cable Vision IPv4 CIDR-block JMiX NO.1-1 | MAINT-AS131937 | Dec 2, 2025 |
| 103.152.67.0/24 | AS131937 | JPIRR | Joetsu Cable Vision IPv4 CIDR-block JMiX NO.1-2 | MAINT-AS131937 | Dec 2, 2025 |
Whois
Registration for this announcement
- Range
- 103.
152. 66. 0/ 23 - Netname
- JMiX
- Registrant
- JMiX Co., Ltd.
- Registrant country
- JP
- Organization
- JMiX Co., Ltd.
- Org country
- JP
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 3, 2025
- Maintainer
- MAINT-JPNIC
- RIR
- APNIC
- Country
- JP
- Delegated
- Jun 18, 2020
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
nic. ad. jp - Name
- ABUSE JPNICJP
- Handle
- AJ382-AP