AS23780
Ctb Media Inc. — nic.ad.jp
Summary
| Country |
 Japan
|
| Organization | Ctb Media Inc. |
| Domain | nic.ad.jp |
| Number of IPv4 | 16,384 |
| 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
AS23780 announces 5 IPv4 ranges and 1 IPv6 range.
That's a total of 16,384 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 49.128.24.0/21 |
Ctb Media Inc.
|
2,048 | JPNIC | |
| 49.128.96.0/22 |
Ctb Media Inc.
|
1,024 | JPNIC | |
| 203.201.52.0/22 |
Ctb Media Inc.
|
1,024 | JPNIC | |
| 211.15.112.0/20 |
Ctb Media Inc.
|
4,096 | JPNIC | |
| 211.19.224.0/19 |
Ctb Media Inc.
|
8,192 | JPNIC |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2402:6c80::/32 |
Ctb Media Inc.
|
7.9228× 1028 | JPNIC |
Peers
AS23780 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
AS23780 connects to the global Internet via at least 3 upstream providers. In this setup, AS23780 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS23780 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.