AS17958
Kasaoka Cable Vision Limited — nic.ad.jp
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Summary
| Country |
 Japan
|
| Organization | Kasaoka Cable Vision Limited |
| Domain | nic.ad.jp |
| Number of IPv4 | 21,504 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | ISP |
| Registry | APNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | August 23, 2024 (about 1 year ago) |
IP Ranges
AS17958 announces 7 IPv4 ranges and 1 IPv6 range.
That's a total of 21,504 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 103.2.96.0/22 |
Kasaoka Cable Vision Limited
|
1,024 | JPNIC | |
| 133.226.160.0/20 |
Kasaoka Cable Vision Limited
|
4,096 | JPNIC | |
| 157.112.160.0/20 |
Kasaoka Cable Vision Co,ltd.
|
4,096 | JPNIC | |
| 180.178.80.0/21 |
Kasaoka Cable Vision Co,ltd.
|
2,048 | JPNIC | |
| 218.40.96.0/20 |
Kasaoka Cable Vision Co,ltd.
|
4,096 | JPNIC | |
| 219.103.48.0/20 |
Kasaoka Cable Vision Co,ltd.
|
4,096 | JPNIC | |
| 220.247.184.0/21 |
Kasaoka Cable Vision Co,ltd.
|
2,048 | JPNIC |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2401:a240::/32 |
Kasaoka Cable Vision Limited
|
7.9228× 1028 | JPNIC |
Peers
AS17958 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
AS17958 connects to the global Internet via at least 3 upstream providers. In this setup, AS17958 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS17958 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS17958's role in extending Internet access beyond its own infrastructure.