Autonomous System

AS17514 OTSUKA CORPORATION

BusinessActiveJapanAPNIC

AS17514 (AICS) is a business network operated by OTSUKA CORPORATION in Japan, registered with APNIC. It has 67 IPv4 prefixes with 115,200 addresses and 1 IPv6 prefix, which makes it the 2,136th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses115,200in 67 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#2,136of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationOTSUKA CORPORATION
AS nameAICS
Websiteotsuka-shokai.co.jp
Country Japan (JP)
Network typeBusiness
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2025-12-09

IPv4 prefixes

67 prefixes · 115,200 addresses
NetworkAddressesFirst – last address
157.205.0.0/1665,536157.205.0.0 – 157.205.255.255
182.93.96.0/198,192182.93.96.0 – 182.93.127.255
27.0.32.0/204,09627.0.32.0 – 27.0.47.255
150.91.224.0/204,096150.91.224.0 – 150.91.239.255
103.7.20.0/221,024103.7.20.0 – 103.7.23.255
202.47.136.0/221,024202.47.136.0 – 202.47.139.255
27.0.32.0/2351227.0.32.0 – 27.0.33.255
27.0.34.0/2351227.0.34.0 – 27.0.35.255
27.0.36.0/2351227.0.36.0 – 27.0.37.255
27.0.38.0/2351227.0.38.0 – 27.0.39.255
27.0.40.0/2351227.0.40.0 – 27.0.41.255
27.0.42.0/2351227.0.42.0 – 27.0.43.255
27.0.44.0/2351227.0.44.0 – 27.0.45.255
27.0.46.0/2351227.0.46.0 – 27.0.47.255
157.205.4.0/23512157.205.4.0 – 157.205.5.255
157.205.6.0/23512157.205.6.0 – 157.205.7.255
157.205.10.0/23512157.205.10.0 – 157.205.11.255
157.205.12.0/23512157.205.12.0 – 157.205.13.255
157.205.14.0/23512157.205.14.0 – 157.205.15.255
157.205.16.0/23512157.205.16.0 – 157.205.17.255
157.205.18.0/23512157.205.18.0 – 157.205.19.255
157.205.20.0/23512157.205.20.0 – 157.205.21.255
157.205.22.0/23512157.205.22.0 – 157.205.23.255
157.205.24.0/23512157.205.24.0 – 157.205.25.255
157.205.26.0/23512157.205.26.0 – 157.205.27.255
The 25 largest of 67. The API and the database have all of them.

IPv6 prefixes

1 prefix
  • 2403:6c00::/32

Query AS17514 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=AS17514&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS17514, with or without a key:

curl "https://api.ipapi.is/?q=157.205.0.1"

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