Autonomous System

AS32666 Case Western Reserve University

EducationActiveUnited StatesARIN

AS32666 (CWRU-AS-1) is an education network operated by Case Western Reserve University in United States, registered with ARIN. It has 20 IPv4 prefixes with 131,840 addresses and 1 IPv6 prefix, which makes it the 1,863rd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses131,840in 20 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#1,863of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationCase Western Reserve University
AS nameCWRU-AS-1
Websitecase.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactabuse@case.edu
Registered2004-06-25
Last updated2017-12-08

IPv4 prefixes

20 prefixes · 131,840 addresses
NetworkAddressesFirst – last address
129.22.0.0/1665,536129.22.0.0 – 129.22.255.255
129.22.0.0/204,096129.22.0.0 – 129.22.15.255
129.22.16.0/204,096129.22.16.0 – 129.22.31.255
129.22.32.0/204,096129.22.32.0 – 129.22.47.255
129.22.48.0/204,096129.22.48.0 – 129.22.63.255
129.22.64.0/204,096129.22.64.0 – 129.22.79.255
129.22.80.0/204,096129.22.80.0 – 129.22.95.255
129.22.96.0/204,096129.22.96.0 – 129.22.111.255
129.22.112.0/204,096129.22.112.0 – 129.22.127.255
129.22.128.0/204,096129.22.128.0 – 129.22.143.255
129.22.144.0/204,096129.22.144.0 – 129.22.159.255
129.22.160.0/204,096129.22.160.0 – 129.22.175.255
129.22.176.0/204,096129.22.176.0 – 129.22.191.255
129.22.192.0/204,096129.22.192.0 – 129.22.207.255
129.22.208.0/204,096129.22.208.0 – 129.22.223.255
129.22.224.0/204,096129.22.224.0 – 129.22.239.255
129.22.240.0/204,096129.22.240.0 – 129.22.255.255
192.5.109.0/24256192.5.109.0 – 192.5.109.255
192.5.110.0/24256192.5.110.0 – 192.5.110.255
192.5.113.0/24256192.5.113.0 – 192.5.113.255

IPv6 prefixes

1 prefix
  • 2606:ea00::/32

Query AS32666 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=AS32666&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS32666, with or without a key:

curl "https://api.ipapi.is/?q=129.22.0.1"

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