Autonomous System

AS18135 BTV Cable Television Co.,LTD

ISPActiveJapanAPNIC

AS18135 (BTV) is an ISP network operated by BTV Cable Television Co.,LTD in Japan, registered with APNIC. It has 10 IPv4 prefixes with 38,912 addresses and 1 IPv6 prefix, which makes it the 4,821st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses38,912in 10 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#4,821of 82,200 active ASNs
Abuser scoreVery Low0.05% of its addresses flagged · method

Details

OrganizationBTV Cable Television Co.,LTD
AS nameBTV
Websitebtvm.ne.jp
Country Japan (JP)
Network typeISP
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-08-16

IPv4 prefixes

10 prefixes · 38,912 addresses
NetworkAddressesFirst – last address
42.83.0.0/1816,38442.83.0.0 – 42.83.63.255
219.103.0.0/198,192219.103.0.0 – 219.103.31.255
203.211.32.0/204,096203.211.32.0 – 203.211.47.255
153.124.224.0/212,048153.124.224.0 – 153.124.231.255
182.23.216.0/212,048182.23.216.0 – 182.23.223.255
203.211.48.0/212,048203.211.48.0 – 203.211.55.255
103.205.48.0/221,024103.205.48.0 – 103.205.51.255
163.131.104.0/221,024163.131.104.0 – 163.131.107.255
163.131.108.0/221,024163.131.108.0 – 163.131.111.255
219.100.88.0/221,024219.100.88.0 – 219.100.91.255

IPv6 prefixes

1 prefix
  • 2401:d500::/32

Query AS18135 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=AS18135&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS18135, with or without a key:

curl "https://api.ipapi.is/?q=42.83.0.1"

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