Dear all, The RIS collector RRC15 -- PTTMetro, Sao Paulo, Brazil will be down for maintenance involving an OS upgrade. BGP sessions will go down and will re-establish once the maintenance is over. MRT files will not be produced. Start: Tuesday 17th, 2025 08:00 UTC End: Tuesday 17th, 2025 16:00 UTC Kind regards, Marco Giuliani RIPE NCC