Autonomous System

AS131981 Takushoku University

EducationActiveJapanAPNIC

AS131981 (TAKUSHOKUNET) is an education network operated by Takushoku University in Japan, registered with APNIC. It has 6 IPv4 prefixes with 131,072 addresses, which makes it the 1,965th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses131,072in 6 prefixes
IPv6 prefixes0none
Size rank#1,965of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationTakushoku University
AS nameTAKUSHOKUNET
Websitetakushoku-u.ac.jp
Country Japan (JP)
Network typeEducation
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-08-14

IPv4 prefixes

6 prefixes · 131,072 addresses
NetworkAddressesFirst – last address
133.36.0.0/1732,768133.36.0.0 – 133.36.127.255
133.36.128.0/1732,768133.36.128.0 – 133.36.255.255
133.36.0.0/1816,384133.36.0.0 – 133.36.63.255
133.36.64.0/1816,384133.36.64.0 – 133.36.127.255
133.36.128.0/1816,384133.36.128.0 – 133.36.191.255
133.36.192.0/1816,384133.36.192.0 – 133.36.255.255

IPv6 prefixes

No IPv6 prefixes.

Query AS131981 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=AS131981&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS131981, with or without a key:

curl "https://api.ipapi.is/?q=133.36.0.1"

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