Autonomous System
AS12501 UMDAC, Umea University
EducationActiveSwedenRIPE
AS12501 (NorrNod) is an education network operated by UMDAC, Umea University in Sweden, registered with RIPE. It has 4 IPv4 prefixes with 90,112 addresses, which makes it the 2,485th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses90,112in 4 prefixes
IPv6 prefixes0none
Size rank#2,485of 82,200 active ASNs
Details
OrganizationUMDAC, Umea University
AS nameNorrNod
Websiteumu.se
Country Sweden (SE)
Network typeEducation
RegistryRIPE
Abuse contactinfo@norrnod.se
Registered2002-09-02
Last updated2026-01-26
IPv4 prefixes
4 prefixes · 90,112 addresses| Network | Addresses | First – last address |
|---|---|---|
| 212.217.128.0/17 | 32,768 | 212.217.128.0 – 212.217.255.255 |
| 213.79.128.0/17 | 32,768 | 213.79.128.0 – 213.79.255.255 |
| 212.32.128.0/18 | 16,384 | 212.32.128.0 – 212.32.191.255 |
| 194.165.224.0/19 | 8,192 | 194.165.224.0 – 194.165.255.255 |
212.217.128.0/17 213.79.128.0/17 212.32.128.0/18 194.165.224.0/19
IPv6 prefixes
No IPv6 prefixes.
Query AS12501 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=AS12501&key=YOUR_API_KEY"Any address in its prefixes resolves to AS12501, with or without a key:
curl "https://api.ipapi.is/?q=212.217.128.1"