Autonomous System
AS18092 Kyushu Tele Communications Company
BusinessActiveJapanAPNIC
AS18092 (CSF) is a business 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 3,146th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses67,840in 36 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#3,146of 82,200 active ASNs
Details
OrganizationKyushu Tele Communications Company
AS nameCSF
Websitektc.co.jp
Country Japan (JP)
Network typeBusiness
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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