Autonomous System
AS239 University of Toronto
EducationActiveCanadaARIN
AS239 (UTORONTO-AS) is an education network operated by University of Toronto in Canada, registered with ARIN. It has 15 IPv4 prefixes with 527,872 addresses and 3 IPv6 prefixes, which makes it the 661st largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses527,872in 15 prefixes
IPv6 prefixes3≈ 2.0 × 10³¹ addresses
Size rank#661of 82,200 active ASNs
Details
OrganizationUniversity of Toronto
AS nameUTORONTO-AS
Websiteutoronto.ca
Country Canada (CA)
Network typeEducation
RegistryARIN
Abuse contactrussell.sutherland@utoronto.ca
Registered1988-09-20
Last updated2009-07-31
IPv4 prefixes
15 prefixes · 527,872 addresses| Network | Addresses | First – last address |
|---|---|---|
| 128.100.0.0/16 | 65,536 | 128.100.0.0 – 128.100.255.255 |
| 138.51.0.0/16 | 65,536 | 138.51.0.0 – 138.51.255.255 |
| 142.1.0.0/16 | 65,536 | 142.1.0.0 – 142.1.255.255 |
| 142.150.0.0/16 | 65,536 | 142.150.0.0 – 142.150.255.255 |
| 142.151.0.0/16 | 65,536 | 142.151.0.0 – 142.151.255.255 |
| 138.51.0.0/17 | 32,768 | 138.51.0.0 – 138.51.127.255 |
| 138.51.128.0/17 | 32,768 | 138.51.128.0 – 138.51.255.255 |
| 142.150.0.0/17 | 32,768 | 142.150.0.0 – 142.150.127.255 |
| 142.150.128.0/17 | 32,768 | 142.150.128.0 – 142.150.255.255 |
| 142.151.0.0/17 | 32,768 | 142.151.0.0 – 142.151.127.255 |
| 142.151.128.0/17 | 32,768 | 142.151.128.0 – 142.151.255.255 |
| 192.12.176.0/21 | 2,048 | 192.12.176.0 – 192.12.183.255 |
| 192.82.128.0/22 | 1,024 | 192.82.128.0 – 192.82.131.255 |
| 192.12.174.0/24 | 256 | 192.12.174.0 – 192.12.174.255 |
| 192.75.254.0/24 | 256 | 192.75.254.0 – 192.75.254.255 |
128.100.0.0/16 138.51.0.0/16 142.1.0.0/16 142.150.0.0/16 142.151.0.0/16 138.51.0.0/17 138.51.128.0/17 142.150.0.0/17 142.150.128.0/17 142.151.0.0/17 142.151.128.0/17 192.12.176.0/21 192.82.128.0/22 192.12.174.0/24 192.75.254.0/24
IPv6 prefixes
3 prefixes- 2631:1000::/24
- 2606:fa00::/32
- 2631:1002:22::/48
2631:1000::/24 2606:fa00::/32 2631:1002:22::/48
Query AS239 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=AS239&key=YOUR_API_KEY"Any address in its prefixes resolves to AS239, with or without a key:
curl "https://api.ipapi.is/?q=128.100.0.1"Largest networks in Canada
AS6327 Shaw Communications13,439,744 IPv4 addressesAS812 Rogers Communications Canada Inc.10,145,536 IPv4 addressesAS577 Bell Canada7,386,112 IPv4 addressesAS5769 Videotron Ltee5,583,360 IPv4 addressesAS852 TELUS Communications Inc.5,046,784 IPv4 addressesAS376 Reseau d'Informations Scientifiques du Quebec (RISQ Inc.)1,884,416 IPv4 addresses