Autonomous System

AS17523 Aoyama Gakuin University

EducationActiveJapanAPNIC

AS17523 (AOYAMA) is an education network operated by Aoyama Gakuin University in Japan, registered with APNIC. It has 2 IPv4 prefixes with 65,536 addresses and 2 IPv6 prefixes, which makes it the 3,675th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses65,536in 2 prefixes
IPv6 prefixes2≈ 1.2 × 10²⁴ addresses
Size rank#3,675of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationAoyama Gakuin University
AS nameAOYAMA
Websiteaoyama.ac.jp
Country Japan (JP)
Network typeEducation
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-08-22

IPv4 prefixes

2 prefixes · 65,536 addresses
NetworkAddressesFirst – last address
133.2.0.0/1732,768133.2.0.0 – 133.2.127.255
133.2.128.0/1732,768133.2.128.0 – 133.2.255.255

IPv6 prefixes

2 prefixes
  • 2001:df7:7800::/49
  • 2001:df7:7800:8000::/49

Query AS17523 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=AS17523&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS17523, with or without a key:

curl "https://api.ipapi.is/?q=133.2.0.1"

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