Autonomous System
AS18092 Kyushu Tele Communications Company
ISPActiveJapanAPNIC
AS18092 (CSF) is an ISP network operated by Kyushu Tele Communications Company in Japan, registered with APNIC. It has 36 IPv4 prefixes with 67,840 addresses and 1 IPv6 prefix, which makes it the 3,150th largest of 82,283 active autonomous systems by IPv4 space.
IPv4 addresses67,840in 36 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#3,150of 82,283 active ASNs
Details
OrganizationKyushu Tele Communications Company
AS nameCSF
Websitecsf.ne.jp
Country Japan (JP)
Network typeISP
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-10-03
IPv4 prefixes
36 prefixes · 67,840 addresses| Network | Addresses | First – last address |
|---|---|---|
| 61.44.224.0/20 | 4,096 | 61.44.224.0 – 61.44.239.255 |
| 61.44.240.0/20 | 4,096 | 61.44.240.0 – 61.44.255.255 |
| 110.172.32.0/20 | 4,096 | 110.172.32.0 – 110.172.47.255 |
| 112.137.144.0/20 | 4,096 | 112.137.144.0 – 112.137.159.255 |
| 202.126.240.0/20 | 4,096 | 202.126.240.0 – 202.126.255.255 |
| 203.205.96.0/20 | 4,096 | 203.205.96.0 – 203.205.111.255 |
| 203.222.208.0/20 | 4,096 | 203.222.208.0 – 203.222.223.255 |
| 219.103.112.0/20 | 4,096 | 219.103.112.0 – 219.103.127.255 |
| 219.117.48.0/20 | 4,096 | 219.117.48.0 – 219.117.63.255 |
| 110.172.32.0/21 | 2,048 | 110.172.32.0 – 110.172.39.255 |
| 110.172.40.0/21 | 2,048 | 110.172.40.0 – 110.172.47.255 |
| 112.137.152.0/21 | 2,048 | 112.137.152.0 – 112.137.159.255 |
| 114.141.32.0/21 | 2,048 | 114.141.32.0 – 114.141.39.255 |
| 123.242.208.0/21 | 2,048 | 123.242.208.0 – 123.242.215.255 |
| 202.126.248.0/21 | 2,048 | 202.126.248.0 – 202.126.255.255 |
| 203.205.104.0/21 | 2,048 | 203.205.104.0 – 203.205.111.255 |
| 219.103.112.0/21 | 2,048 | 219.103.112.0 – 219.103.119.255 |
| 27.122.8.0/22 | 1,024 | 27.122.8.0 – 27.122.11.255 |
| 61.44.236.0/22 | 1,024 | 61.44.236.0 – 61.44.239.255 |
| 112.137.152.0/22 | 1,024 | 112.137.152.0 – 112.137.155.255 |
| 114.141.32.0/22 | 1,024 | 114.141.32.0 – 114.141.35.255 |
| 120.50.168.0/22 | 1,024 | 120.50.168.0 – 120.50.171.255 |
| 120.50.172.0/22 | 1,024 | 120.50.172.0 – 120.50.175.255 |
| 175.103.8.0/22 | 1,024 | 175.103.8.0 – 175.103.11.255 |
| 202.126.240.0/22 | 1,024 | 202.126.240.0 – 202.126.243.255 |
61.44.224.0/20 61.44.240.0/20 110.172.32.0/20 112.137.144.0/20 202.126.240.0/20 203.205.96.0/20 203.222.208.0/20 219.103.112.0/20 219.117.48.0/20 110.172.32.0/21 110.172.40.0/21 112.137.152.0/21 114.141.32.0/21 123.242.208.0/21 202.126.248.0/21 203.205.104.0/21 219.103.112.0/21 27.122.8.0/22 61.44.236.0/22 112.137.152.0/22 114.141.32.0/22 120.50.168.0/22 120.50.172.0/22 175.103.8.0/22 202.126.240.0/22
The 25 largest of 36. The API and the database have all of them.
IPv6 prefixes
1 prefix- 2404:1900::/32
2404:1900::/32
Query AS18092 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=AS18092&key=YOUR_API_KEY"Any address in its prefixes resolves to AS18092, with or without a key:
curl "https://api.ipapi.is/?q=61.44.224.1"Largest networks in Japan
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