Autonomous System

AS231 Michigan State University

EducationActiveUnited StatesARIN

AS231 (MISU-231) is an education network operated by Michigan State University in United States, registered with ARIN. It has 7 IPv4 prefixes with 789,504 addresses and 2 IPv6 prefixes, which makes it the 522nd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses789,504in 7 prefixes
IPv6 prefixes2≈ 7.9 × 10²⁸ addresses
Size rank#522of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationMichigan State University
AS nameMISU-231
Websitemsu.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactabuse@msu.edu
Registered2021-06-28
Last updated2021-06-28

IPv4 prefixes

7 prefixes · 789,504 addresses
NetworkAddressesFirst – last address
35.8.0.0/13524,28835.8.0.0 – 35.15.255.255
35.20.0.0/14262,14435.20.0.0 – 35.23.255.255
35.12.240.0/212,04835.12.240.0 – 35.12.247.255
192.108.188.0/24256192.108.188.0 – 192.108.188.255
192.108.190.0/24256192.108.190.0 – 192.108.190.255
192.108.191.0/24256192.108.191.0 – 192.108.191.255
192.231.113.0/24256192.231.113.0 – 192.231.113.255

IPv6 prefixes

2 prefixes
  • 2605:dd00::/32
  • 2605:dd00:8000::/48

Query AS231 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=AS231&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS231, with or without a key:

curl "https://api.ipapi.is/?q=35.8.0.1"

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