Convert IP address dotted quads to/from integers
ripcal <ip-address>...
Converts each : - from dotted quad to hexadecimal integer - from hexadecimal/decimal integers to dotted quad
example:
$ ./ripcal 192.168.2.4 0xc0a1b203 2886732292 192.168.2.4 = 0xc0a80204 0xc0a1b203 = 192.161.178.3 2886732292 = 172.16.10.4