Autonomous System
AS17939 miyazaki cabletelevision network Co.,LTD
ISPActiveJapanAPNIC
AS17939 (MCN-NET01) is an ISP network operated by miyazaki cabletelevision network Co.,LTD in Japan, registered with APNIC. It has 10 IPv4 prefixes with 71,680 addresses and 1 IPv6 prefix, which makes it the 2,939th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses71,680in 10 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#2,939of 82,200 active ASNs
Details
Organizationmiyazaki cabletelevision network Co.,LTD
AS nameMCN-NET01
Websitemiyazaki-catv.ne.jp
Country Japan (JP)
Network typeISP
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-08-22
IPv4 prefixes
10 prefixes · 71,680 addresses| Network | Addresses | First – last address |
|---|---|---|
| 123.176.128.0/17 | 32,768 | 123.176.128.0 – 123.176.255.255 |
| 192.244.32.0/19 | 8,192 | 192.244.32.0 – 192.244.63.255 |
| 218.216.32.0/19 | 8,192 | 218.216.32.0 – 218.216.63.255 |
| 150.91.208.0/20 | 4,096 | 150.91.208.0 – 150.91.223.255 |
| 202.122.176.0/20 | 4,096 | 202.122.176.0 – 202.122.191.255 |
| 202.170.96.0/20 | 4,096 | 202.170.96.0 – 202.170.111.255 |
| 203.140.208.0/20 | 4,096 | 203.140.208.0 – 203.140.223.255 |
| 219.105.64.0/20 | 4,096 | 219.105.64.0 – 219.105.79.255 |
| 103.15.188.0/22 | 1,024 | 103.15.188.0 – 103.15.191.255 |
| 219.100.216.0/22 | 1,024 | 219.100.216.0 – 219.100.219.255 |
123.176.128.0/17 192.244.32.0/19 218.216.32.0/19 150.91.208.0/20 202.122.176.0/20 202.170.96.0/20 203.140.208.0/20 219.105.64.0/20 103.15.188.0/22 219.100.216.0/22
IPv6 prefixes
1 prefix- 2405:c700::/32
2405:c700::/32
Query AS17939 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS17939&key=YOUR_API_KEY"Any address in its prefixes resolves to AS17939, with or without a key:
curl "https://api.ipapi.is/?q=123.176.128.1"Largest networks in Japan
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