Autonomous System

AS18081 Kintetsu Cable Network Co., Ltd.

ISPActiveJapanAPNIC

AS18081 (KCN) is an ISP network operated by Kintetsu Cable Network Co., Ltd. in Japan, registered with APNIC. It has 38 IPv4 prefixes with 868,352 addresses and 1 IPv6 prefix, which makes it the 486th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses868,352in 38 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#486of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationKintetsu Cable Network Co., Ltd.
AS nameKCN
Websitekcn.ne.jp
Country Japan (JP)
Network typeISP
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-10-03

IPv4 prefixes

38 prefixes · 868,352 addresses
NetworkAddressesFirst – last address
61.86.0.0/1665,53661.86.0.0 – 61.86.255.255
61.89.0.0/1665,53661.89.0.0 – 61.89.255.255
117.108.0.0/1665,536117.108.0.0 – 117.108.255.255
117.109.0.0/1665,536117.109.0.0 – 117.109.255.255
139.101.0.0/1665,536139.101.0.0 – 139.101.255.255
220.153.0.0/1665,536220.153.0.0 – 220.153.255.255
61.86.0.0/1816,38461.86.0.0 – 61.86.63.255
61.86.64.0/1816,38461.86.64.0 – 61.86.127.255
61.86.128.0/1816,38461.86.128.0 – 61.86.191.255
61.86.192.0/1816,38461.86.192.0 – 61.86.255.255
61.89.0.0/1816,38461.89.0.0 – 61.89.63.255
61.89.64.0/1816,38461.89.64.0 – 61.89.127.255
61.89.128.0/1816,38461.89.128.0 – 61.89.191.255
61.89.192.0/1816,38461.89.192.0 – 61.89.255.255
117.108.0.0/1816,384117.108.0.0 – 117.108.63.255
117.108.64.0/1816,384117.108.64.0 – 117.108.127.255
117.108.128.0/1816,384117.108.128.0 – 117.108.191.255
117.108.192.0/1816,384117.108.192.0 – 117.108.255.255
117.109.0.0/1816,384117.109.0.0 – 117.109.63.255
117.109.64.0/1816,384117.109.64.0 – 117.109.127.255
117.109.128.0/1816,384117.109.128.0 – 117.109.191.255
117.109.192.0/1816,384117.109.192.0 – 117.109.255.255
125.2.64.0/1816,384125.2.64.0 – 125.2.127.255
139.101.0.0/1816,384139.101.0.0 – 139.101.63.255
139.101.64.0/1816,384139.101.64.0 – 139.101.127.255
The 25 largest of 38. The API and the database have all of them.

IPv6 prefixes

1 prefix
  • 2404:ec00::/32

Query AS18081 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=AS18081&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS18081, with or without a key:

curl "https://api.ipapi.is/?q=61.86.0.1"

Largest networks in Japan

AS17676 SoftBank Mobile Corp.49,061,888 IPv4 addressesAS4713 NTT DOCOMO BUSINESS,Inc.28,624,896 IPv4 addressesAS2516 KDDI CORPORATION18,152,448 IPv4 addressesAS9824 JCOM Co., Ltd.10,315,776 IPv4 addressesAS2907 Authoritative information regarding AS Number8,960,512 IPv4 addressesAS17506 UCOM Corp.5,508,096 IPv4 addresses