Autonomous System

AS17661 Authoritative information regarding AS Number

ISPActiveJapanAPNIC

AS17661 (NHN-JAPAN) is an ISP network operated by Authoritative information regarding AS Number in Japan, registered with APNIC. It has 25 IPv4 prefixes with 11,520 addresses, which makes it the 9,440th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses11,520in 25 prefixes
IPv6 prefixes0none
Size rank#9,440of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationAuthoritative information regarding AS Number
AS nameNHN-JAPAN
Websiteix-layers.com
Country Japan (JP)
Network typeISP
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2019-05-13

IPv4 prefixes

25 prefixes · 11,520 addresses
NetworkAddressesFirst – last address
27.147.96.0/204,09627.147.96.0 – 27.147.111.255
119.235.228.0/221,024119.235.228.0 – 119.235.231.255
119.235.226.0/23512119.235.226.0 – 119.235.227.255
119.235.238.0/23512119.235.238.0 – 119.235.239.255
103.2.29.0/24256103.2.29.0 – 103.2.29.255
119.235.225.0/24256119.235.225.0 – 119.235.225.255
119.235.233.0/24256119.235.233.0 – 119.235.233.255
119.235.234.0/24256119.235.234.0 – 119.235.234.255
183.90.192.0/24256183.90.192.0 – 183.90.192.255
183.90.193.0/24256183.90.193.0 – 183.90.193.255
183.90.195.0/24256183.90.195.0 – 183.90.195.255
183.90.196.0/24256183.90.196.0 – 183.90.196.255
183.90.197.0/24256183.90.197.0 – 183.90.197.255
183.90.199.0/24256183.90.199.0 – 183.90.199.255
183.90.200.0/24256183.90.200.0 – 183.90.200.255
183.90.201.0/24256183.90.201.0 – 183.90.201.255
183.90.202.0/24256183.90.202.0 – 183.90.202.255
183.90.203.0/24256183.90.203.0 – 183.90.203.255
183.90.204.0/24256183.90.204.0 – 183.90.204.255
183.90.205.0/24256183.90.205.0 – 183.90.205.255
183.90.206.0/24256183.90.206.0 – 183.90.206.255
183.90.207.0/24256183.90.207.0 – 183.90.207.255
183.90.221.0/24256183.90.221.0 – 183.90.221.255
183.90.222.0/24256183.90.222.0 – 183.90.222.255
203.104.159.0/24256203.104.159.0 – 203.104.159.255

IPv6 prefixes

No IPv6 prefixes.

Query AS17661 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=AS17661&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS17661, with or without a key:

curl "https://api.ipapi.is/?q=27.147.96.1"

Other networks of Authoritative information regarding AS Number

AS2907 Authoritative information regarding AS Number8,960,512 IPv4 addresses

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