A run of June 2026 Tier-1 outages, Arelion, Comcast, AT&T, exposes routing fragility A five-day T-Mobile Fiber outage in the US Southeast and brief but global backbone disruptions at Arelion, Comcast and AT&T mark a noisy month for the internet's core ما الذي تعطّل ·8 takes ·25 يونيو