SUSE is getting a new ISP in Provo - and a new set of external IP addresses. This switch affects also some openSUSE servers that are currently running inside the Provo datacenter. Mainly the Provo mirror server of download.opensuse.org, available via http://provo-mirror.opensuse.org/.
All machines that are currently using an IPv4 address starting with 130.57.72.XX will get a new IPv4 address assigned in the 91.193.113.64/27 network. Normally, this should go unnoticed, especially if you are using DNS.
Namely, the following four productive services are affected: