Autonomous System
AS37501 University of the Free State
EducationActiveSouth AfricaAFRINIC
AS37501 (University of the Free State) is an education network operated by University of the Free State in South Africa, registered with AFRINIC. It has 11 IPv4 prefixes with 264,192 addresses and 2 IPv6 prefixes, which makes it the 1,051st largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses264,192in 11 prefixes
IPv6 prefixes2≈ 6.0 × 10²⁴ addresses
Size rank#1,051of 82,200 active ASNs
Details
OrganizationUniversity of the Free State
AS nameUniversity of the Free State
Websiteufs.ac.za
Country South Africa (ZA)
Network typeEducation
RegistryAFRINIC
Abuse contact—
Registered—
Last updated—
IPv4 prefixes
11 prefixes · 264,192 addresses| Network | Addresses | First – last address |
|---|---|---|
| 146.182.0.0/16 | 65,536 | 146.182.0.0 – 146.182.255.255 |
| 196.254.0.0/16 | 65,536 | 196.254.0.0 – 196.254.255.255 |
| 196.255.0.0/16 | 65,536 | 196.255.0.0 – 196.255.255.255 |
| 146.182.0.0/17 | 32,768 | 146.182.0.0 – 146.182.127.255 |
| 146.182.128.0/17 | 32,768 | 146.182.128.0 – 146.182.255.255 |
| 196.21.180.0/23 | 512 | 196.21.180.0 – 196.21.181.255 |
| 196.21.182.0/23 | 512 | 196.21.182.0 – 196.21.183.255 |
| 196.21.40.0/24 | 256 | 196.21.40.0 – 196.21.40.255 |
| 196.21.158.0/24 | 256 | 196.21.158.0 – 196.21.158.255 |
| 196.21.159.0/24 | 256 | 196.21.159.0 – 196.21.159.255 |
| 196.21.184.0/24 | 256 | 196.21.184.0 – 196.21.184.255 |
146.182.0.0/16 196.254.0.0/16 196.255.0.0/16 146.182.0.0/17 146.182.128.0/17 196.21.180.0/23 196.21.182.0/23 196.21.40.0/24 196.21.158.0/24 196.21.159.0/24 196.21.184.0/24
IPv6 prefixes
2 prefixes- 2001:43f8:770::/46
- 2001:4200:5000::/48
2001:43f8:770::/46 2001:4200:5000::/48
Query AS37501 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=AS37501&key=YOUR_API_KEY"Any address in its prefixes resolves to AS37501, with or without a key:
curl "https://api.ipapi.is/?q=146.182.0.1"