sipcalc: sipcalc (console based ip subnet calculator)
sipcalc: 
sipcalc: Sipcalc is an advanced console-based IP subnet calculator. 
sipcalc: It can take multiple forms of input (IPv4/IPv6/interface/hostname)
sipcalc: and output a multitude of information about a given subnet. 
sipcalc:
sipcalc:
sipcalc:
sipcalc:
sipcalc:
sipcalc: