TechCrunch featured CollegeBudget, group buying site similar to Groupon but targeting college students. The concept is promising and can be extended to other areas.
I've noted that many people are searching here about how to find out City/Country/ISP details from IP; often referred as GeoIP. Here, I've compiled my replies that once I posted to comp.lang.php Get the IP Refer http://www.iana.org/assignments/ipv4-address-space/ipv4-address-space.xml and see which whois server should be used for the whois lookup Now, do the whois lookup. e.g., whois -h whois.apnic.net 61.x.x.x Parse the results. AFAIK, it will have the ISP, City and Country info For whois lookup, may use rwhois protocol through below PHP code: <?php function whois($host, $command) { $fp = fsockopen ($host, 43, $errno, $errstr, 100); if (!$fp) { $result = $errstr . $errno . "\n"; } else { fputs ($fp, $command . "\r\n\r\n"); $result = ''; while (!feof($fp)) { $result .= fgets ($fp, 128); } fclose ($fp); } return $result; } //debug... echo whois('whois.internic.net', 'php.net'); ?> Re...
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