Up-to-date NorNet Core site details

An automatically-updated NorNet Core sites list, with many further details on the sites, nodes and ISPs, is now available at https://www.nntb.no/pub/nornet-configuration/NorNetCore-Sites.html. In total, we have now 16 NorNet Core sites, i.e. 11 sites in Norway as well as already five sites abroad. Some further sites will be installed within the near future.