PHP IPwhois类

 1   
 2/*   
 3*   
 4* Class : IP Whois Verson 1.0   
 5* Info : Get IP's information form 4 whois server   
 6* Author : PhpUp Studio   
 7* Date : 12/12/2004   
 8* www.knowsky.com   
 9*   
10*/   
11class IPWhois   
12{   
13var $server = 'whois.arin.net';   
14var $target;   
15var $timeout = 10;   
16var $msg;   
17  
18function IPWhois($target)   
19{   
20$this->target = $target;   
21}   
22function ShowInfo()   
23{   
24if($this->_CheckIP($this->target))   
25{   
26$this->msg = $this->_GetInfo($this->server);   
27if($this->_CheckInfo($this->msg))   
28{   
29$this->msg = $this->_GetInfo($this->server);   
30}   
31}   
32else $this->msg = '

 1';   
 2  
 3return $this->msg;   
 4}   
 5function _CheckIP($temptarget)   
 6{   
 7if(eregi("[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}", $temptarget))   
 8{   
 9$f = 1;   
10$detail = explode(".",$temptarget);   
11foreach($detail as $v)   
12{   
13if($v > 255 || $v < 0)   
14{   
15$f = 0;   
16break;   
17}   
18}   
19}   
20else $f =0;   
21return $f;   
22}   
23function _GetInfo($tempserver)   
24{   
25$this->msg = '';   
26  
27if(!$sock = fsockopen($tempserver, 43, $num, $error, $this->timeout))   
28{   
29unset($sock);   
30$this->msg = "Timed-out connecting to $tempserver (port 43)";   
31}   
32else   
33{   
34fputs($sock, "$this->target\n");   
35$this->msg .= "

 1";   
 2}   
 3fclose($sock);   
 4return nl2br($this->msg);   
 5}   
 6function _CheckInfo($tempmsg)   
 7{   
 8if(eregi("whois.ripe.net", $tempmsg))   
 9{   
10$this->server = "whois.ripe.net";   
11return 1;   
12}   
13elseif(eregi("whois.apnic.net", $tempmsg))   
14{   
15$this->server = "whois.apnic.net";   
16return 1;   
17}   
18elseif(eregi("whois.lacnic.net", $tempmsg))   
19{   
20$this->server = "whois.lacnic.net";   
21return 1;   
22}   
23else return 0;   
24}   
25}   

1   
2include './class.php';   
3$target = isset($_GET['ip'])?gethostbyname($_GET['ip']):'NULL';   
4if('NULL' == $target || '' == $target)$result = '

1';   
2else   
3{   
4$whois = new IPWhois($target);   
5//$result = "IP Whois Information For

1";   
2$result = $whois->ShowInfo();   
3}   
4echo $result;