<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">
<br>
<div>
<blockquote type="cite">
<div>On Sep 21, 2024, at 3:59 AM, William Herrin <bill@herrin.us> wrote:</div>
<br class="Apple-interchange-newline">
<div>
<div>On Fri, Sep 20, 2024 at 12:16 PM ARIN <info@arin.net> wrote:<br>
<blockquote type="cite">ARIN is working to remove redundant and seldom-used services<br>
to allow future efforts to focus on the improvement of core services,<br>
reduce residual technical debt, and increase our security posture.<br>
Removing the FTP protocol aligns with these objectives.<br>
<br>
ARIN intends to remove FTP protocol support on or after 31 March 2025. We are interested in knowing:<br>
</blockquote>
<br>
Howdy.<br>
<br>
Do you have any data indicating how often files are downloaded via<br>
FTP? And from how many different sources files are downloaded over the<br>
year?<br>
</div>
</div>
</blockquote>
<br>
</div>
<div>Bill - </div>
<div><br>
</div>
<div>Good question - It appears that most of the data is extended delegation statistics files (ref: <a href="https://www.arin.net/reference/research/statistics/nro_stats/_">https://www.arin.net/reference/research/statistics/nro_stats/_</a>) </div>
<div><br>
</div>
<div>Looking at the most recent data –</div>
<blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;">
<div><br>
</div>
<div>
<div>Files Served via FTP: </div>
</div>
<div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>In the Month of August, there were 396,930 files served from 17,334 unique IP addresses.</div>
</div>
<div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>(3,438 unique files downloaded during this period.)</div>
</div>
<div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>A significant portion of these downloads consisted of:</div>
</div>
<div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>•<span class="Apple-tab-span" style="white-space:pre">
</span>ARIN’s extended stats (116,673 downloads)</div>
</div>
<div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>•<span class="Apple-tab-span" style="white-space:pre">
</span>Mirrors of extended stats from other RIRs (53,289 downloads)</div>
</div>
<div>
<div><br>
</div>
</div>
<div>
<div>HTTP/HTTPS Traffic for the Same FTP Data:</div>
</div>
<div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>•<span class="Apple-tab-span" style="white-space:pre">
</span>We also analyzed one week of HTTP/HTTPS traffic to ftp.arin.net from August 25th to August 31st. During this week:</div>
</div>
<div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>•<span class="Apple-tab-span" style="white-space:pre">
</span>27,185 unique IPs accessed the site, resulting in 265,329 downloads.</div>
</div>
<div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>•<span class="Apple-tab-span" style="white-space:pre">
</span>Extrapolating this to a full month, the data would suggest approximately 1M downloads via HTTP/HTTPS / month. </div>
</div>
<div><br>
</div>
</blockquote>
Thanks!
<div>/John</div>
<div><br>
</div>
<div>
<div>John Curran</div>
<div>President and CEO</div>
<div>American Registry for Internet Numbers</div>
</div>
<div><br>
</div>
</body>
</html>