AS131937
Joetsu Cable Vision — jcv.co.jp
Summary
| Country |
 Japan
|
| Organization | Joetsu Cable Vision |
| Domain | jcv.co.jp |
| Number of IPv4 | 25,344 |
| Number of IPv6 | 1.5846× 1029 |
| AS Type | ISP |
| Registry | JPNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | July 25, 2018 (about 6 years ago) |
IP Ranges
AS131937 announces 17 IPv4 ranges and 5 IPv6 ranges.
That's a total of 25,344 IPv4 addresses and 1.5846× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 103.118.92.0/23 |
Joetsu Cable Vision CO.,LTD.
|
512 | JPNIC | |
| 103.118.93.0/24 |
Joetsu Cable Vision CO.,LTD.
|
256 | JPNIC | |
| 103.118.94.0/23 |
Joetsu Cable Vision CO.,LTD.
|
512 | JPNIC | |
| 103.152.66.0/24 |
Jmix Co., Ltd.
|
256 | JPNIC | |
| 103.152.67.0/24 |
Jmix Co., Ltd.
|
256 | JPNIC | |
| 126.251.0.0/20 |
Joetsu Cable Vision CO.,LTD.
|
4,096 | JPNIC | |
| 126.251.16.0/20 |
Joetsu Cable Vision CO.,LTD.
|
4,096 | JPNIC | |
| 126.251.32.0/22 |
Joetsu Cable Vision CO.,LTD.
|
1,024 | JPNIC | |
| 126.251.36.0/22 |
Joetsu Cable Vision CO.,LTD.
|
1,024 | JPNIC | |
| 126.251.112.0/22 |
Joetsu Cable Vision Co., Ltd.
|
1,024 | JPNIC | |
| 126.251.116.0/22 |
Joetsu Cable Vision Co., Ltd.
|
1,024 | JPNIC | |
| 170.249.64.0/22 |
Joetsu Cable Vision CO.,LTD.
|
1,024 | JPNIC | |
| 170.249.68.0/22 |
Joetsu Cable Vision CO.,LTD.
|
1,024 | JPNIC | |
| 170.249.96.0/20 |
Joetsu Cable Vision CO.,LTD.
|
4,096 | JPNIC | |
| 170.249.112.0/20 |
Joetsu Cable Vision CO.,LTD.
|
4,096 | JPNIC | |
| 202.223.12.0/23 |
Joetsu Cable Vision CO.,LTD.
|
512 | JPNIC | |
| 202.223.14.0/23 |
Joetsu Cable Vision CO.,LTD.
|
512 | JPNIC |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2403:4040::/48 |
Joetsu Cable Vision CO.,LTD.
|
1.2089× 1024 | JPNIC | |
| 2403:4040::/32 |
Joetsu Cable Vision CO.,LTD.
|
7.9228× 1028 | JPNIC | |
| 2403:4040:1::/48 |
Joetsu Cable Vision CO.,LTD.
|
1.2089× 1024 | JPNIC | |
| 2403:4040:2::/48 |
Joetsu Cable Vision CO.,LTD.
|
1.2089× 1024 | JPNIC | |
| 2406:2b40::/32 |
Jmix Co., Ltd.
|
7.9228× 1028 | JPNIC |
Peers
AS131937 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS131937 connects to the global Internet via at least 2 upstream providers. In this setup, AS131937 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS131937 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.