AS18135
Btv Cable Television Co.,ltd — nic.ad.jp
Summary
| Country |
 Japan
|
| Organization | Btv Cable Television Co.,ltd |
| Domain | nic.ad.jp |
| Number of IPv4 | 38,912 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | ISP |
| Registry | APNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | August 16, 2024 (about 8 months ago) |
IP Ranges
AS18135 announces 10 IPv4 ranges and 1 IPv6 range.
That's a total of 38,912 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 42.83.0.0/18 |
Btv Cable Television Co.,ltd
|
16,384 | JPNIC | |
| 103.205.48.0/22 |
Btv Cable Television Co.,ltd
|
1,024 | JPNIC | |
| 153.124.224.0/21 |
BTV CO., LTD.
|
2,048 | JPNIC | |
| 163.131.104.0/22 |
BTV CO., LTD.
|
1,024 | JPNIC | |
| 163.131.108.0/22 |
BTV CO., LTD.
|
1,024 | JPNIC | |
| 182.23.216.0/21 |
Btv Cable Television Co.,ltd
|
2,048 | JPNIC | |
| 203.211.32.0/20 |
Btv Cable Television Co.,ltd
|
4,096 | JPNIC | |
| 203.211.48.0/21 |
Btv Cable Television
|
2,048 | JPNIC | |
| 219.100.88.0/22 |
Btv Cable Television Co.,ltd
|
1,024 | JPNIC | |
| 219.103.0.0/19 |
Btv Cable Television
|
8,192 | JPNIC |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2401:d500::/32 |
BTV CO., LTD.
|
7.9228× 1028 | JPNIC |
Peers
AS18135 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
AS18135 connects to the global Internet via at least 4 upstream providers. In this setup, AS18135 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS18135 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.