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To indicate the size of a network or subnet for some routing protocols, such as OSPF. ... 127.255.255.255 /0: 0.0.0.0: 255.255.255.255 References
Reserved for future use (formerly "Class E" [5]). 255.255.255.255 is reserved for "limited broadcast" destination address. [ 6 ] [ 7 ] List of assigned /8 blocks to commercial organisations
A subnet mask is a bitmask that encodes the prefix length associated with an IPv4 address or network in quad-dotted notation: 32 bits, starting with a number of 1-bits equal to the prefix length, ending with 0-bits, and encoded in four-part dotted-decimal format: 255.255.255.0. A subnet mask encodes the same information as a prefix length but ...
For example, the subnet mask for a routing prefix that is composed of the most-significant 24 bits of an IPv4 address is written as 255.255.255.0. The modern standard form of specification of the network prefix is CIDR notation, used for both IPv4 and IPv6.
All receivers capture the network packet. The address 255.255.255.255 is used for network broadcast. In addition, a more limited directed broadcast uses the all-ones host address with the network prefix. For example, the destination address used for directed broadcast to devices on the network 192.0.2.0 / 24 is 192.0.2.255.
IP multicast address range Description Routable 224.0.0.0 to 224.0.0.255 Local subnetwork [3]: No 224.0.1.0 to 224.0.1.255 Internetwork control Yes
Size of network number bit field Size of rest bit field Number of networks Addresses per network Total addresses in class Start address End address Default subnet mask in dot-decimal notation CIDR notation; Class A 0 8 24 128 (2 7) 16,777,216 (2 24) 2,147,483,648 (2 31) 0.0.0.0: 127.255.255.255 [a] 255.0.0.0 / 8: Class B 10 16 16 16,384 (2 14 ...
3. Bit complement (bitwise NOT) of the subnet mask 00000000.00001111.11111111.11111111: 0.15.255.255 4. Broadcast address (bitwise OR of 1. Network IP address and 3. Bit complement of the subnet mask. This makes the broadcast address the largest possible IP address (and host address, since the host address portion is all 1s) for any given ...