Hex[FF]
ip=IP4[110.1.30.70/24]

ip.NetworkAddress()


500/25

Dec[Hex[ff]]

Hex[ff]

Hex[ff].toDecimal()

n=IP4[110.1.30.70;255.255.255.0]

n.mask()

m=IP4Mask[23]

IP4Mask[22]

IP4[110.1.30.70;255.255.255.0]