<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Verdana;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:"Century Gothic";
panose-1:2 11 5 2 2 2 2 2 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
p.v1msonormal, li.v1msonormal, div.v1msonormal
{mso-style-name:v1msonormal;
mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
span.EmailStyle23
{mso-style-type:personal-compose;
font-family:"Century Gothic",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style>
</head>
<body lang="EN-AU" link="blue" vlink="purple" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Century Gothic",sans-serif;mso-fareast-language:EN-US">Bingo!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Century Gothic",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Century Gothic",sans-serif;mso-fareast-language:EN-US">Optus only allow domestic ranges access to WiFi calling. Check your IPs against the geolocation databases.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Century Gothic",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> AusNOG <ausnog-bounces@ausnog.net>
<b>On Behalf Of </b>Chard, Alex<br>
<b>Sent:</b> Wednesday, 27 July 2022 2:23 PM<br>
<b>To:</b> Noel Butler <noel.butler@ausics.net>; ausnog@ausnog.net<br>
<b>Subject:</b> Re: [AusNOG] Optus Wifi calling assistance<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">The source IPs are not google cloud addresses, rather PaloAlto addresses from within 134.238.0.0/16.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">I’d expect them to have better reputation than the general google cloud ones.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Issue could be geolocation I suppose…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Alex Chard<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> AusNOG <<a href="mailto:ausnog-bounces@ausnog.net">ausnog-bounces@ausnog.net</a>>
<b>On Behalf Of </b>Noel Butler<br>
<b>Sent:</b> Wednesday, 27 July 2022 12:37<br>
<b>To:</b> <a href="mailto:ausnog@ausnog.net">ausnog@ausnog.net</a><br>
<b>Subject:</b> Re: [AusNOG] Optus Wifi calling assistance<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p><span style="font-size:12.0pt;font-family:"Verdana",sans-serif">On 27/07/2022 11:58, Chard, Alex wrote:<o:p></o:p></span></p>
<blockquote style="border:none;border-left:solid #1010FF 1.5pt;padding:0cm 0cm 0cm 5.0pt;margin-left:0cm;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt">
<div id="replybody1">
<div>
<div>
<p class="v1msonormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif;mso-fareast-language:EN-US">(our corporate traffic egresses via Google Cloud so looks like/is a VPN of sorts).</span><span style="font-size:12.0pt;font-family:"Verdana",sans-serif"><o:p></o:p></span></p>
<p class="v1msonormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif;mso-fareast-language:EN-US"> </span><span style="font-size:12.0pt;font-family:"Verdana",sans-serif"><o:p></o:p></span></p>
</div>
</div>
</div>
</blockquote>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif"> <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif">This can be a problem itself, there has been so much crap coming from their cloud ip ranges, a lot of places are blocking them, they are almost as bad as digitalsewer (aka
digitalocean), rather than play wack-a-mole, they just block all of it, since google keep the cloud users ranges nowhere near their traditional mail/search ranges. You will also find many doing the same to microsofts as well.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif"> <o:p></o:p></span></p>
</div>
<div id="signature">
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Verdana",sans-serif">--
<o:p></o:p></span></p>
<p><span style="font-size:12.0pt;font-family:"Verdana",sans-serif">Regards,<br>
Noel Butler<o:p></o:p></span></p>
<table class="MsoNormalTable" border="1" cellspacing="0" cellpadding="0" width="748" style="width:561.0pt">
<tbody>
<tr>
<td style="padding:.75pt .75pt .75pt .75pt">
<p><span style="font-size:9.0pt;font-family:"Arial",sans-serif">This Email, including attachments, may contain legally privileged information, therefore at all times remains confidential and subject to copyright protected under international law. You may not
disseminate this message without the authors express written authority to do so. If you are not the intended recipient, please notify the sender then delete all copies of this message including attachments immediately. Confidentiality, copyright, and legal
privilege are not waived or lost by reason of the mistaken delivery of this message.</span><span style="font-size:10.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
</td>
</tr>
</tbody>
</table>
<p><span style="font-size:12.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
</div>
</div>
<img src="https://ea.pstmrk.it/open/v3_FVSWTR2ItKgSGdIhlcLxl9S5aRlXPucdpS44okY_zvopq3It60zsvIEcaXDPusZurNKgw2X3AAxkUZon-HzzjDWQAG3noGXQP_g4P2YM6DNmD7K2K6X_l9T19EGbrqbOaBqwcfEhYCFAXSUvGQ1YPaiFyd1pxizPboziNMwx_Lv88sUeeXT5-G1RqOOeSCFZIhNszbnOTmiNyPTgqIymsmvFO0avQv7AjhoyDFCBoZ4e6vk6zTK-uJJJjGr5gYFSccdj1ZP5DfzRYNQPSkDu6lYSVv81kpi7ckPDMAnl_83n3xDoIs9e9ctRS_ttzR6_eW9GRP13YCwwAOmtQKj41QqJaaXkpw8WIukNur6xdkE_AfIXYXpwzHjD2qfUO8qELXAIWuq24RDsuNdEz9UZ4VP14xUg7W__3OBd8f1hKV2TrguFQy7AHZuclq8kKwG65s4FClMmRvlnrhACbfpT0A" width="1" height="1" border="0" alt="" /></body>
</html>