Show network, broadcast, first and last given network address
The netmask "bit format" is also known as CIDR format (CIDR = Classless Inter-Domain Routing).
IP multicast address range
All multicast addresses can be easily identified because the bit pattern "1110" begins.
224.0.0.0 - 224.0.0.255 well-known multicast address, control channel
224.0.1.0 - 238.255.255.255 Worldwide (Internet-wide) multicast addresses
239.0.0.0 - 239.255.255.255 local multicast address
LAN planning tool, subnet calculation and division, subnet mask conversion in each base system, and IP address conversion in base system. .