Network data from the NetBlocks internet observatory confirm disruptions with multiple fixed-line and mobile providers in Iran, amid protests against rising fuel prices. The outages have partial (update: now near-total, see below) impact at the time of writing affecting multiple cities including Tehran.
Users first reported outages in Mashhad, which has also seen a drop in connectivity beginning on the evening of Friday 15 November. The disruptions have increased in extent and severity as of 21:15 UTC Friday (12:45 a.m. local time), continuing as of 00:00 UTC Saturday, with impact also visible on overall connectivity charts.