Autonomous System

AS24255 Tannan Cable Television Corporation

ISPActiveJapanAPNIC

AS24255 (T-CATV) is an ISP network operated by Tannan Cable Television Corporation in Japan, registered with APNIC. It has 7 IPv4 prefixes with 27,648 addresses and 1 IPv6 prefix, which makes it the 5,750th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses27,648in 7 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#5,750of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationTannan Cable Television Corporation
AS nameT-CATV
Websitet-catv.co.jp
Country Japan (JP)
Network typeISP
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-08-14

IPv4 prefixes

7 prefixes · 27,648 addresses
NetworkAddressesFirst – last address
64.33.0.0/1816,38464.33.0.0 – 64.33.63.255
202.127.80.0/204,096202.127.80.0 – 202.127.95.255
61.245.112.0/212,04861.245.112.0 – 61.245.119.255
202.88.192.0/212,048202.88.192.0 – 202.88.199.255
103.198.212.0/221,024103.198.212.0 – 103.198.215.255
182.50.164.0/221,024182.50.164.0 – 182.50.167.255
219.100.184.0/221,024219.100.184.0 – 219.100.187.255

IPv6 prefixes

1 prefix
  • 2405:5300::/32

Query AS24255 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=AS24255&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS24255, with or without a key:

curl "https://api.ipapi.is/?q=64.33.0.1"

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