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Equinix renumber the IP Block from a /24 to a /23 and everyone was suppose to be off the old block I think around a year ago. I am sure some providers did not migrate everything off that IP Block. <span style="color: rgb(0, 0, 0); font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;">Everyone
that was a member at that time was given a new IP Address on the /23 subnet, I believe the last octet of the address stayed the same. </span></div>
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They might just be emailing of an old email template for peering.</div>
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Also, Here is that peers new IP block assuming it's AS19016.</div>
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208.115.136.119 0 19016 853824 755885 382498487 0 0 8w5d 20<br>
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<p class="MsoNormal" style="margin-top: 0px; margin-bottom: 0px;">Erik</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> NANOG <nanog-bounces@nanog.org> on behalf of JASON BOTHE via NANOG <nanog@nanog.org><br>
<b>Sent:</b> Tuesday, October 8, 2019 1:57 PM<br>
<b>To:</b> James Cornman <james@atlanticmetro.net><br>
<b>Cc:</b> nanog@nanog.org <nanog@nanog.org><br>
<b>Subject:</b> Re: Chicago Equinix IX LAN oddity</font>
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<div dir="ltr">Got it, thanks for that. I’ll have to give the big E a call and see how to sort this one out. </div>
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<div dir="ltr">J~</div>
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<blockquote type="cite">On Oct 8, 2019, at 13:55, James Cornman <james@atlanticmetro.net> wrote:<br>
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<div>There was a subnet expansion/migration there earlier this year (maybe late last year?)<br>
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<div>We have an old and new address on our interface.. The 208.x is the new range (aka bigger)<br>
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<div> ip address <a href="http://206.223.119.124/24" target="_blank">206.223.119.124/24</a><br>
ip address <a href="http://208.115.136.124/23" target="_blank">208.115.136.124/23</a></div>
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<div>-James<br>
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<div dir="ltr" class="x_gmail_attr">On Tue, Oct 8, 2019 at 2:47 PM JASON BOTHE via NANOG <<a href="mailto:nanog@nanog.org" target="_blank">nanog@nanog.org</a>> wrote:<br>
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Hi all<br>
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I realize this might not be the right list but I have a request to peer on the Chicago Equinix IX to a 206.223.119 IP but we and many others are on the 208.115.137 network. While I await a response from the peering partner, I’d curious to know if this is an
error, perhaps there was a renumber at one time or I’m flat out just missing something.
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Cheers!<br>
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J~<br>
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<b><span style="font-size:10pt">James Cornman</span></b></p>
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<i><span style="font-size:10pt"></span></i><span style="font-size:10pt"><a href="mailto:jcornman@atlanticmetro.net" target="_blank" style="color:rgb(51,51,51)"><span style="color:blue">jcornman@atlanticmetro.net</span></a><br>
212.792.9950<br>
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Atlantic Metro Communications</span></b></span></p>
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