| Title | 
                
                    Test
                    Find
                    
                    Class C Network Numbers
                 | 
            
            
                | Expression | 
                ^(192\.168\.[0-9]|[1-9][0-9]|[1-2][0-5][0-5]\.[0-9]|[1-9][0-9]|[1-2][0-5][0-5])$  | 
            
            
                | Description | 
                This is the 16-bit block of the IP address space for private internets reserved by the IANA. A set of 256 contiguous class C network numbers per RFC 1918.  | 
            
            
                | Matches | 
                192.168.0.0 | 192.168.255.255  | 
            
            
                | Non-Matches | 
                10.0.0.0 | 172.31.255.255  | 
            
            
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                    tedcambron
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