Autonomous System

AS2504 Kyoto University

EducationActiveJapanJPNIC

AS2504 (NCA5) is an education network operated by Kyoto University in Japan, registered with JPNIC. It has 4 IPv4 prefixes with 132,096 addresses, which makes it the 1,845th largest of 82,141 active autonomous systems by IPv4 space.

IPv4 addresses132,096in 4 prefixes
IPv6 prefixes0none
Size rank#1,845of 82,141 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationKyoto University
AS nameNCA5
Websitekyoto-u.ac.jp
Country Japan (JP)
Network typeEducation
RegistryJPNIC
Abuse contact—
Registered—
Last updated2018-12-25

IPv4 prefixes

4 prefixes · 132,096 addresses
NetworkAddressesFirst – last address
130.54.0.0/1665,536130.54.0.0 – 130.54.255.255
133.3.0.0/1665,536133.3.0.0 – 133.3.255.255
192.50.8.0/23512192.50.8.0 – 192.50.9.255
192.50.24.0/23512192.50.24.0 – 192.50.25.255

IPv6 prefixes

No IPv6 prefixes.

Query AS2504 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=AS2504&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS2504, with or without a key:

curl "https://api.ipapi.is/?q=130.54.0.1"

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