CFLib.org – IpInRange

IpInRange(start, end, ip)

Last updated March 4, 2010

Download UDF

author

A. Cole
Send Email

Version: 0 | Requires: ColdFusion MX7 | Library: CFMLLib

Rated 2 time(s). Average Rating: 4.5

Description:
determines if the ip is within the start and end range

Return Values:
Returns a boolean.

Example:

view plain print about

#isIpInRange("192.168.1.1", "192.168.1.255", "192.168.1.50")# in range<br>
#isIpInRange("192.168.1.1", "192.168.3.255", "192.168.2.50")# in range<br>
#isIpInRange("192.168.1.1", "192.168.1.255", "192.168.3.50")# not in range<br>

#isIpInRange("192.168.1.1", "192.168.1.255", "192.168.1.50")# in range<br>
#isIpInRange("192.168.1.1", "192.168.3.255", "192.168.2.50")# in range<br>
#isIpInRange("192.168.1.1", "192.168.1.255", "192.168.3.50")# not in range<br>

Parameters:

Name	Description	Required
start	start IP range	Yes
end	end IP range	Yes
ip	IP to test if in range	Yes

Full UDF Source:

	
	
			
			
			
				
				view plain
				
				
				copy to clipboard
				
				
				
				
				print
				
				
				about
				ColdFISH is developed by Jason Delmore.  Source code and license information available at coldfish.riaforge.org.  Version 3.1.1
				
			<cfscript>
/**
 * determine if IP is with in a range.
 * 04-mar-2010 renamed to IPinRange so as not to conflict w/existing UDF
 * 
 * @param start 	 start IP range (Required)
 * @param end 	 end IP range (Required)
 * @param ip 	 IP to test if in range (Required)
 * @return Returns a boolean. 
 * @author A. Cole (&#97;&#99;&#111;&#108;&#101;&#55;&#54;&#64;&#78;&#79;&#83;&#80;&#65;&#77;&#103;&#109;&#97;&#105;&#108;&#46;&#99;&#111;&#109;) 
 * @version 0, March 4, 2010 
 */
function isIpInRange(start, end, ip)
	{
		var startArray = listtoarray(arguments.start, ".");
		var endArray = listtoarray(arguments.end, ".");
		var ipArray = listtoarray(arguments.ip, ".");
		var s = ((16777216 * startArray[1]) + (65536 * startArray[2]) + (256 * startArray[3]) + startArray[4]);
		var e = ((16777216 * endArray[1]) + (65536 * endArray[2]) + (256 * endArray[3]) + endArray[4]);
		var c = ((16777216 * ipArray[1]) + (65536 * ipArray[2]) + (256 * ipArray[3]) + ipArray[4]);
		
		return isvalid("range", c, s, e);
	}
</cfscript>
		<cfscript>
/**
 * determine if IP is with in a range.
 * 04-mar-2010 renamed to IPinRange so as not to conflict w/existing UDF
 * 
 * @param start      start IP range (Required)
 * @param end      end IP range (Required)
 * @param ip      IP to test if in range (Required)
 * @return Returns a boolean. 
 * @author A. Cole (acole76@NOSPAMgmail.com) 
 * @version 0, March 4, 2010 
 */
function isIpInRange(start, end, ip)
    {
        var startArray = listtoarray(arguments.start, ".");
        var endArray = listtoarray(arguments.end, ".");
        var ipArray = listtoarray(arguments.ip, ".");
        var s = ((16777216 * startArray[1]) + (65536 * startArray[2]) + (256 * startArray[3]) + startArray[4]);
        var e = ((16777216 * endArray[1]) + (65536 * endArray[2]) + (256 * endArray[3]) + endArray[4]);
        var c = ((16777216 * ipArray[1]) + (65536 * ipArray[2]) + (256 * ipArray[3]) + ipArray[4]);
        
        return isvalid("range", c, s, e);
    }
</cfscript>