AS17957
SOUTH TOKYO CABLE TELEVISION — nic.ad.jp
Summary
| Country |
 Japan
|
| Organization | SOUTH TOKYO CABLE TELEVISION |
| Domain | nic.ad.jp |
| Number of IPv4 | 19,456 |
| Number of IPv6 | 0 |
| AS Type | ISP |
| Registry | APNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | August 23, 2024 (about 7 months ago) |
IP Ranges
AS17957 announces 6 IPv4 ranges and 0 IPv6 range.
That's a total of 19,456 IPv4 address and 0 IPv6 address.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 49.236.232.0/21 |
SOUTH TOKYO CABLE TELEVISION
|
2,048 | JPNIC | |
| 110.232.236.0/22 |
SOUTH TOKYO CABLE TELEVISION
|
1,024 | JPNIC | |
| 115.165.184.0/21 |
SOUTH TOKYO CABLE TELEVISION
|
2,048 | JPNIC | |
| 202.122.24.0/21 |
SOUTH TOKYO CABLE TELEVISION INC.
|
2,048 | JPNIC | |
| 210.191.128.0/19 |
CABLE TELEVISION SHINAGAWA INC.
|
8,192 | JPNIC | |
| 219.103.96.0/20 |
SOUTH TOKYO CABLETELEVISION
|
4,096 | JPNIC |
Peers
AS17957 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.
Upstreams
AS17957 connects to the global Internet via at least 1 upstream provider. In this setup, AS17957 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS17957 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.