Autonomous System

AS53260 Clark University

EducationActiveUnited StatesARIN

AS53260 (CLARKU) is an education network operated by Clark University in United States, registered with ARIN. It has 9 IPv4 prefixes with 49,152 addresses, which makes it the 4,387th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses49,152in 9 prefixes
IPv6 prefixes0none
Size rank#4,387of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationClark University
AS nameCLARKU
Websiteclarku.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactabuse@clarku.edu
Registered2009-07-15
Last updated2025-10-17

IPv4 prefixes

9 prefixes · 49,152 addresses
NetworkAddressesFirst – last address
140.232.0.0/198,192140.232.0.0 – 140.232.31.255
140.232.192.0/198,192140.232.192.0 – 140.232.223.255
140.232.224.0/198,192140.232.224.0 – 140.232.255.255
140.232.0.0/204,096140.232.0.0 – 140.232.15.255
140.232.16.0/204,096140.232.16.0 – 140.232.31.255
140.232.192.0/204,096140.232.192.0 – 140.232.207.255
140.232.208.0/204,096140.232.208.0 – 140.232.223.255
140.232.224.0/204,096140.232.224.0 – 140.232.239.255
140.232.240.0/204,096140.232.240.0 – 140.232.255.255

IPv6 prefixes

No IPv6 prefixes.

Query AS53260 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=AS53260&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS53260, with or without a key:

curl "https://api.ipapi.is/?q=140.232.0.1"

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