<div dir="ltr"><div class="gmail_default" style="font-family:courier new,monospace;font-size:small">I'm not sure if it Covers IRR.<br>But considering IRR is an extension of Whois...<br><br>Arin keeps the service of "whowas"<br><a href="https://www.arin.net/reference/research/whowas/">https://www.arin.net/reference/research/whowas/</a><br>I suggest you take a look there.<br><br></div><div class="gmail_default" style="font-family:courier new,monospace;font-size:small"><br></div><div class="gmail_default" style="font-family:courier new,monospace;font-size:small">And also, some IRRs keeps an archive folder on the FTP.<br><a href="ftp://ftp.radb.net/radb/dbase/archive/">ftp://ftp.radb.net/radb/dbase/archive/</a><br></div><div class="gmail_default" style="font-family:courier new,monospace;font-size:small"><a href="ftp://rr.level3.net/pub/rr/archive.mirror-data/">ftp://rr.level3.net/pub/rr/archive.mirror-data/</a><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Em qua., 24 de fev. de 2021 às 05:03, Lars Prehn <<a href="mailto:lprehn@mpi-inf.mpg.de">lprehn@mpi-inf.mpg.de</a>> escreveu:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Does anybody have (somewhat frequent, e.g., monthly) snapshots of the <br>
various IRR databases lying around? Any snapshot since 2010 would be <br>
helpful!<br>
<br>
Best regards,<br>
<br>
Lars<br>
<br>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><font size="2"><span style="font-family:"courier new",monospace">Douglas Fernando Fischer</span><br style="font-family:"courier new",monospace"><span style="font-family:"courier new",monospace">Engº de Controle e Automação</span></font><div style="padding:0px;margin-left:0px;margin-top:0px;overflow:hidden;color:black;text-align:left;line-height:130%;font-family:"courier new",monospace"></div></div>