Autonomous System

AS9991 Hiroshima Shudo University

EducationActiveJapanJPNIC

AS9991 (SHUDO-U) is an education network operated by Hiroshima Shudo University in Japan, registered with JPNIC. It has 1 IPv4 prefix with 65,536 addresses and 1 IPv6 prefix, which makes it the 3,628th largest of 82,141 active autonomous systems by IPv4 space.

IPv4 addresses65,536in 1 prefix

IPv6 prefixes1≈ 1.2 × 10²⁴ addresses

Size rank#3,628of 82,141 active ASNs

Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationHiroshima Shudo University

AS nameSHUDO-U

Websiteshudo-u.ac.jp

Country Japan (JP)

Network typeEducation

RegistryJPNIC

Abuse contact—

Registered—

Last updated2005-05-28

IPv4 prefixes

1 prefix · 65,536 addresses

Network	Addresses	First – last address
150.32.0.0/16	65,536	150.32.0.0 – 150.32.255.255

150.32.0.0/16

IPv6 prefixes

1 prefix

2001:df2:b340::/48

2001:df2:b340::/48

Query AS9991 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=AS9991&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS9991, with or without a key:

curl "https://api.ipapi.is/?q=150.32.0.1"

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