<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:14px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">The quickest way would be just to write a quick script that loops through the dns servers for the RBL's that you want to check against for each IP address and marks the IP with wether or not the IP was found in a block list :)</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:14px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="margin: 0px; "><font face="Helvetica, Arial"><span style="font-size: 14px;">If you want to pay some money, contact MxToolBox. They have a fantastic API if you own a /24 that allows you to query each IP address, and they do all the DNS work for you. They also send you email reports daily showing what IPs are blocked etc.</span></font></div><div id="bloop_customfont" style="margin: 0px; "><font face="Helvetica, Arial"><span style="font-size: 14px;"><br></span></font></div><div id="bloop_customfont" style="margin: 0px; "><font face="Helvetica, Arial"><span style="font-size: 14px;">Regards,</span></font></div><div id="bloop_customfont" style="margin: 0px; "><font face="Helvetica, Arial"><span style="font-size: 14px;">Tim</span></font></div> <div class="" id="bloop_sign_1381877410345931008"></div> <br><p style="color:#A0A0A8;">On 16 October 2013 at 9:48:29 AM, Daniel Watson (<a href="mailto://daniel@glovine.com.au">daniel@glovine.com.au</a>) wrote:</p> <blockquote type="cite" style="border-left:1px #004080 solid !important;margin-left:0px;padding-left:5px;"><span><div><div style="color: rgb(0, 0, 0); font-family: Tahoma; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">I was wondering if anybody might be able to recommend a way for me to do a RBL lookup on an entire /24 rather then looking up each IP separately</div><br class="Apple-interchange-newline"></div></span></blockquote></body></html>