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Subnet mask table for class b
Subnet mask table for class b








Obviously, as IPv4 addresses spiraled out of control, routing tables needed to grow with them. It’s essentially a table of rules and designations that tell a data packet which route it needs to take in a network to reach the desired location. It also aimed to reduce the stress across routing tables.Ī routing table can be found in a router or some other network host. What is Classless Inter-Domain Routing?Ĭlassless Inter-Domain Routing, or CIDR, was introduced in 1993 as a way to get rid of the classful network structure and significantly improve the method of allocating different IP addresses. Classless Inter-Domain Routing, or CIDR, is a much more efficient way of allocating IP addresses. It’s worth noting, however, that the classful IP addressing is outdated. It is used for experimental and study purposes.

subnet mask table for class b

However, if you’re using a VPN, your IP will change depending on the server you’re connected to.Ĭlass E ranges from 240 to 255 and also doesn’t have a subnet mask. The subnet mask reflects the network portion in an IP address. The first three octets (192.168.123.) represent the network and the last octet identifies a machine on your network. Just like every address is defined by a street name and a house number, an IP address consists of a network component and a host component.










Subnet mask table for class b