<div dir="ltr"><div class="gmail_quote"><div dir="ltr" class="gmail_attr">From: <strong class="gmail_sendername" dir="auto">Eric Kuhnke</strong> <span dir="auto"><<a href="mailto:eric.kuhnke@gmail.com">eric.kuhnke@gmail.com</a>></span><br></div><br><div dir="ltr">The vast majority of Iranian ISPs' international transit connectivity is through AS12880 DCI , which is a government run telecom authority. Google "AS12880 DCI Iran" for more info. DCI is also responsible for layer 2 transport and DWDM services for smaller downstream ISPs, on other international terrestrial fiber links, which are opaque to us NANOG list people from the perspective of global v4/v6 routing table/prefix announcement analysis. <br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Nov 18, 2019 at 7:10 AM Sean Donelan <<a href="mailto:sean@donelan.com" target="_blank">sean@donelan.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
It's very practical for a country to cut 95%+ of its Internet connectivity. <br>
It's not a complete cut-off, there is some limited connectivity. But for <br>
most ordinary individuals, their communication channels are cut-off.<br>
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<a href="https://twitter.com/netblocks/status/1196366347938271232" rel="noreferrer" target="_blank">https://twitter.com/netblocks/status/1196366347938271232</a><br>
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