Autonomous System

AS18268 Naganoken Kyodou Densan Co.Ltd.

ISPActiveJapanJPNIC

AS18268 (JANIS) is an ISP network operated by Naganoken Kyodou Densan Co.Ltd. in Japan, registered with JPNIC. It has 5 IPv4 prefixes with 132,608 addresses and 1 IPv6 prefix, which makes it the 1,829th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses132,608in 5 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#1,829of 82,200 active ASNs
Abuser scoreLow0.06% of its addresses flagged · method

Details

OrganizationNaganoken Kyodou Densan Co.Ltd.
AS nameJANIS
Websitejanis.or.jp
Country Japan (JP)
Network typeISP
RegistryJPNIC
Abuse contact—
Registered—
Last updated2002-10-22

IPv4 prefixes

5 prefixes · 132,608 addresses
NetworkAddressesFirst – last address
220.254.0.0/1665,536220.254.0.0 – 220.254.255.255
220.254.0.0/1732,768220.254.0.0 – 220.254.127.255
220.254.128.0/1732,768220.254.128.0 – 220.254.255.255
202.233.80.0/221,024202.233.80.0 – 202.233.83.255
103.142.6.0/23512103.142.6.0 – 103.142.7.255

IPv6 prefixes

1 prefix
  • 2403:3200::/32

Query AS18268 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=AS18268&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS18268, with or without a key:

curl "https://api.ipapi.is/?q=220.254.0.1"

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