<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br><div><div>On Jul 3, 2014, at 4:48 PM, Jeroen Massar <<a href="mailto:jeroen@massar.ch">jeroen@massar.ch</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">On 2014-07-03 02:36, Mark Newton wrote:<br><blockquote type="cite">Nope, complete bullshit. I’m yet to find an ISP who isn’t<br>comfortable with any announcement down to /56. My /48 subnet is<br>working just fine, thank you very much.<br></blockquote><br>Which /48 is that? Is that out of a PA or a PI block? As the latter is<br>fine, the former will nicely be filtered in a LOT of locations.<br></blockquote><div><br></div>It’s a /48 out of someone else’s PI /32.</div><div><br></div><div><blockquote type="cite">As for /56s (and even /64) announcements, they only leak through<br>"transits" that want to up their prefix count... everybody else nicely<br>filters them out as they do not belong in BGP.<br></blockquote><div><br></div><div>sixxs isn’t “everybody else.”</div><div><br></div><blockquote type="cite">Nope, b0rked. Amazing that BGP made that one make it to Sydney.<br></blockquote></div><div><br></div>Seems to be working pretty well to me, mate. Maybe you aren’t interpreting the output<div>of your tools correctly.<br><div><br></div><div> - mark</div><div><br><div>> <span style="font-family: Menlo; font-size: 11px;">traceroute6 -s 2406:c500:fffd:0:201:c0ff:fe0d:ced2 <a href="http://www.sixxs.net">www.sixxs.net</a></span></div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">traceroute6: Warning: <a href="http://nginx.sixxs.net">nginx.sixxs.net</a> has multiple addresses; using 2001:4830:e6:7::2</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">traceroute6 to <a href="http://nginx.sixxs.net">nginx.sixxs.net</a> (2001:4830:e6:7::2) from 2406:c500:fffd:0:201:c0ff:fe0d:ced2, 64 hops max, 12 byte packets</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> 1 blahblah 1.701 ms 1.087 ms 1.091 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> 2 loop0.lns20.<a href="http://syd7.on.ii.net">syd7.on.ii.net</a> 36.137 ms 33.065 ms 33.023 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> 3 te3-1-120.cor2.<a href="http://syd6.on.ii.net">syd6.on.ii.net</a> 33.400 ms 33.624 ms 32.710 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> 4 ae0.cr1.<a href="http://syd4.on.ii.net">syd4.on.ii.net</a> 33.877 ms 33.268 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> ae5.br1.<a href="http://syd7.on.ii.net">syd7.on.ii.net</a> 33.003 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> 5 ae0-20.br1.<a href="http://syd4.on.ii.net">syd4.on.ii.net</a> 33.995 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> ae5.br1.<a href="http://syd4.on.ii.net">syd4.on.ii.net</a> 33.409 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> ae0-20.br1.<a href="http://syd4.on.ii.net">syd4.on.ii.net</a> 34.325 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> 6 2001:de8:6::3:71:1 35.411 ms 34.922 ms 47.154 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> 7 <a href="http://bbr01-g0-1.sydn01.occaid.net">bbr01-g0-1.sydn01.occaid.net</a> 34.711 ms 33.913 ms 34.652 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> 8 <a href="http://bbr01-g1-3.lsan01.occaid.net">bbr01-g1-3.lsan01.occaid.net</a> 199.237 ms 189.600 ms 189.674 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> 9 <a href="http://bbr01-ae20.stng01.occaid.net">bbr01-ae20.stng01.occaid.net</a> 279.531 ms 280.672 ms 278.544 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">10 <a href="http://ibr01-ve96.asbn01.occaid.net">ibr01-ve96.asbn01.occaid.net</a> 250.178 ms 250.241 ms 248.535 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">11 <a href="http://equi6ix.dc.hotnic.net">equi6ix.dc.hotnic.net</a> 297.277 ms 298.465 ms 298.790 ms</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">12 <a href="http://sixxs-asbnva-gw.customer.occaid.net">sixxs-asbnva-gw.customer.occaid.net</a> 279.845 ms 278.666 ms 279.342 ms</div></div></div></body></html>