AS12501 — NORRNOD ITS

AS12501 announces 4 IPv4 prefixes covering 90,112 addresses and 0 IPv6 prefixes.

About this network

A Swedish university's regional network holding two /17s, reached through a single upstream.

What it's used for

• Academic and regional network access. 90,112 addresses across four IPv4 prefixes, no IPv6 announced, and one observed BGP neighbour.

Notable

• The four blocks are two /17s, a /18 and a /19 — 90,112 addresses answering for one university's computing centre.
• Two of them, 212.32.128.0/18 and 194.165.224.0/19, carry the same netname SE-UMDAC-960209: one date, two separate allocations.
• The other two are SE-UMDAC-990914 and SE-UMDAC-20010918, the later one with the year spelled in full.
• Every block is registered to NorrNod at UMDAC, Umeå University, and the AS handle reads NORRNOD ITS.
• First seen in routing data in June 2002.

Interesting

• The network and the operator are named separately in every record. NorrNod is the network, UMDAC is the department that runs it, and the registry keeps both. Swedish academic computing was built around regional centres rather than per-campus networks, and it is the region's name that ended up on the paperwork.
• Ninety thousand addresses reached through one neighbour is the shape of a network that serves a territory rather than a campus. The address count says how much space it holds; the single neighbour says it is somewhere at the edge, not carrying anyone else's traffic.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 194.165.224.0/19
• 212.32.128.0/18
• 212.217.128.0/17
• 213.79.128.0/17

Upstream networks

• AS3301 Telia Company AB

Adjacent networks

• AS3301 Telia Company AB