<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><span><font class="Apple-style-span" size="3">I'm not sure what your requirements are but, we recently blocked all non-ARIN IP space from reaching our registrars. We had something similar happen and this has </font>essentially<font class="Apple-style-span" size="3"> eliminated the fraudulent calls we saw.</font></span></div><div><span><font class="Apple-style-span" size="3"><br></font></span></div><div><span><font class="Apple-style-span" size="3">Thanks,</font></span></div><div><span><font class="Apple-style-span" size="3"> Spencer</font></span></div><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt; "><br></div><div style="font-size: 12pt; font-family: 'times new roman', 'new york', times, serif; "><div style="font-size: 12pt; font-family: 'times new roman', 'new york',
times, serif; "><font size="2" face="Arial"><hr size="1"></font>Message: 1<br>Date: Tue, 17 May 2011 15:53:15 -0700<br>From: Darren Schreiber <<a ymailto="mailto:d@d-man.org" href="mailto:d@d-man.org">d@d-man.org</a>><br>To: "<a ymailto="mailto:VoiceOps@voiceops.org" href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a>" <<a ymailto="mailto:VoiceOps@voiceops.org" href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a>><br>Subject: [VoiceOps] Fraud fun<br>Message-ID: <C9F84A6B.2097A%<a ymailto="mailto:d@d-man.org" href="mailto:d@d-man.org">d@d-man.org</a>><br>Content-Type: text/plain; charset="us-ascii"<br><br>Hi folks,<br>We have been hit twice in the past two days with calls to 011-252-XXXXXXXX (calls to Somalia I believe, and the originating IP is from Pakistan)<br><br>It's the same user each time, I think he had a weak password, but it cost us over $100, which isn't too bad (we catch it quick) but I'd like to get it
closer to $0. :-)<br><br>Any good recommendations for IP ranges to block from incoming connections?<br><br>Thanks,<br><br>Darren Schreiber<br>CEO / Co-Founder<br><br>2600hz | <a target="_blank" href="http://www.2600hz.com">www.2600hz.com</a><http://www.2600hz.com/><br>sip:<a ymailto="mailto:darren@2600hz.com" href="mailto:darren@2600hz.com">darren@2600hz.com</a><br>tel:415-886-7901<br><br>-------------- next part --------------<br>An HTML attachment was scrubbed...<br>URL: <<a href="https://puck.nether.net/pipermail/voiceops/attachments/20110517/f0aaf5b7/attachment-0001.html" target="_blank">https://puck.nether.net/pipermail/voiceops/attachments/20110517/f0aaf5b7/attachment-0001.html</a>><br><br><br><br></div></div></div></body></html>