Display network, broadcast, first and last given network address
Network mask in \"bit format\" is also called CIDR format (CIDR = Classless Inter-Domain Routing).
IP multicast address range
All multicast addresses can be easily recognized because they start with the bit pattern \"1110\".
224.0.0.0 - 224.0.0.255 Well-known multicast addresses, control channels
224.0.1.0 - 238.255.255.255 Globally-scoped (Internet-wide) multicast addresses
239.0.0.0 - 239.255.255.255 Local multicast addresses
LAN planning tool, subnet calculation and division, representation conversion of subnet masks in various bases, representation conversion of IP addresses in various bases.