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To try and shed some light here, the Border Gateway Protocol (BGP) is the protocol used between routers to communicate which range of IP addresses a router hand
by CitizenKane 16y ago
To try and shed some light here, the Border Gateway Protocol (BGP) is the protocol used between routers to communicate which range of IP addresses a router handles. So for instance, my router will advertise to other routers that it handles from 10.1.1.1 to 10.1.1.255 and the other routers will then send traffic bound for those IP addresses to my router.
From what it seems like in the article, the Egyptian government coordinated with ISPs or forced ISPs to simply clear all of these entries. So for IP addresses in Egypt there are no corresponding routing rules, making them for all practical purposes completely taken off the internet since there is now no way to route traffic there.