Autonomous System

AS17947 SAKURA KCS Corporation

BusinessActiveJapanAPNIC

AS17947 (S-UTOPIA) is a business network operated by SAKURA KCS Corporation in Japan, registered with APNIC. It has 2 IPv4 prefixes with 69,632 addresses, which makes it the 3,036th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses69,632in 2 prefixes
IPv6 prefixes0none
Size rank#3,036of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationSAKURA KCS Corporation
AS nameS-UTOPIA
Websitekcs.co.jp
Country Japan (JP)
Network typeBusiness
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-08-23

IPv4 prefixes

2 prefixes · 69,632 addresses
NetworkAddressesFirst – last address
133.249.0.0/1665,536133.249.0.0 – 133.249.255.255
203.179.224.0/204,096203.179.224.0 – 203.179.239.255

IPv6 prefixes

No IPv6 prefixes.

Query AS17947 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=AS17947&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS17947, with or without a key:

curl "https://api.ipapi.is/?q=133.249.0.1"

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