Autonomous System

AS18142 KISTEM Co., Ltd.

BusinessActiveJapanAPNIC

AS18142 (BIWALOBE) is a business network operated by KISTEM Co., Ltd. in Japan, registered with APNIC. It has 2 IPv4 prefixes with 12,288 addresses, which makes it the 9,114th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses12,288in 2 prefixes
IPv6 prefixes0none
Size rank#9,114of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationKISTEM Co., Ltd.
AS nameBIWALOBE
Websitekistem.co.jp
Country Japan (JP)
Network typeBusiness
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-08-16

IPv4 prefixes

2 prefixes · 12,288 addresses
NetworkAddressesFirst – last address
210.173.32.0/198,192210.173.32.0 – 210.173.63.255
210.141.176.0/204,096210.141.176.0 – 210.141.191.255

IPv6 prefixes

No IPv6 prefixes.

Query AS18142 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=AS18142&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS18142, with or without a key:

curl "https://api.ipapi.is/?q=210.173.32.1"

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