AS131923
Mcat Ltd. — mcat.co.jp
Summary
| Country |
 Japan
|
| Organization | Mcat Ltd. |
| Domain | mcat.co.jp |
| Number of IPv4 | 22,528 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | ISP |
| Registry | JPNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | April 10, 2023 (about 2 years ago) |
IP Ranges
AS131923 announces 10 IPv4 ranges and 1 IPv6 range.
That's a total of 22,528 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 103.95.104.0/22 |
Mcat Ltd.
|
1,024 | JPNIC | |
| 120.50.192.0/20 |
Mcat Ltd.
|
4,096 | JPNIC | |
| 133.88.87.0/24 |
Mcat Ltd.
|
256 | JPNIC | |
| 133.88.88.0/22 |
Mcat Ltd.
|
1,024 | JPNIC | |
| 133.88.92.0/23 |
Mcat Ltd.
|
512 | JPNIC | |
| 133.88.94.0/24 |
Mcat Ltd.
|
256 | JPNIC | |
| 133.247.136.0/21 |
Mcat Ltd.
|
2,048 | JPNIC | |
| 133.247.240.0/20 |
Mcat Ltd.
|
4,096 | JPNIC | |
| 218.45.64.0/19 |
Mcat Ltd.
|
8,192 | JPNIC | |
| 219.100.156.0/22 |
Mcat Ltd.
|
1,024 | JPNIC |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2401:5ac0::/32 |
Mcat Ltd.
|
7.9228× 1028 | JPNIC |
Peers
AS131923 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
AS131923 connects to the global Internet via at least 4 upstream providers. In this setup, AS131923 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS131923 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.