Autonomous System

AS37910 Chubu University

EducationActiveJapanJPNIC

AS37910 (CUNET) is an education network operated by Chubu University in Japan, registered with JPNIC. It has 1 IPv4 prefix with 65,536 addresses, which makes it the 3,794th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses65,536in 1 prefix
IPv6 prefixes0none
Size rank#3,794of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationChubu University
AS nameCUNET
Websitechubu.ac.jp
Country Japan (JP)
Network typeEducation
RegistryJPNIC
Abuse contact—
Registered—
Last updated2021-04-15

IPv4 prefixes

1 prefix · 65,536 addresses
NetworkAddressesFirst – last address
157.110.0.0/1665,536157.110.0.0 – 157.110.255.255

IPv6 prefixes

No IPv6 prefixes.

Query AS37910 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=AS37910&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS37910, with or without a key:

curl "https://api.ipapi.is/?q=157.110.0.1"

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