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@GraspingAnts There is no "backbone". Unless a site is directly hosted by endpoint broadband providers servicing homes, offices, or mobile.

The Internet works by routing individual networks (ASes, "autonomous systems") via border gateway protogol (BGP). It relies on major providers advertising and respecting routing advertisements. Null-routing or ignoring advertisements effectively takes a network space offline. That's what's happened to Epik here.

@sophia