Autonomous System
AS11257 University of Lethbridge
EducationActiveCanadaARIN
AS11257 (UNIVERSITY-LETHBRIDGE) is an education network operated by University of Lethbridge in Canada, registered with ARIN. It has 1 IPv4 prefix with 65,536 addresses, which makes it the 3,636th largest of 82,283 active autonomous systems by IPv4 space.
IPv4 addresses65,536in 1 prefix
IPv6 prefixes0none
Size rank#3,636of 82,283 active ASNs
Details
OrganizationUniversity of Lethbridge
AS nameUNIVERSITY-LETHBRIDGE
Websiteulethbridge.ca
Country Canada (CA)
Network typeEducation
RegistryARIN
Abuse contactkeith.knowles@uleth.ca
Registered1998-06-03
Last updated2025-08-12
IPv4 prefixes
1 prefix · 65,536 addresses| Network | Addresses | First – last address |
|---|---|---|
| 142.66.0.0/16 | 65,536 | 142.66.0.0 – 142.66.255.255 |
142.66.0.0/16
IPv6 prefixes
No IPv6 prefixes.
Query AS11257 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=AS11257&key=YOUR_API_KEY"Any address in its prefixes resolves to AS11257, with or without a key:
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