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Given a Class C network: 200.1.1.0 We want 5 subnets, each with 30 hosts on it. How many bits to borrow ? How many bits to leave? What is the subnet mask? ( in dot notation and in CIDR notation)
The default subnet mask for the IP address 191.249.234.191 is 255.255.255.0. This is because the address belongs to Class B, which typically uses a default subnet mask of 255.255.0.0. However, if it's using CIDR notation for subnetting, it may also commonly be configured with a mask of 255.255.255.0 for more specific network segmentation.
Under CIDR, the subnet mask notation is reduced to a simplified shorthand. Instead of spelling out the bits of the subnet mask, it is simply listed as the number,the network address would be written simply as: 192.60.128.0/22which indicates starting address of the network, and number of 1s bits (22) in the network portion of the address. If you look at the subnet mask in binary (11111111.11111111.11111100.00000000), you can easily see how this notation works.The use of a CIDR notated address is the same as for a Classful address. Classful addresses can easily be written in CIDR notation (Class A = /8, Class B = /16, and Class C = /24)
To determine the CIDR (Classless Inter-Domain Routing) notation for the IPv4 address 123.54.34.77, you need to know the subnet mask associated with it. If the subnet mask is not provided, a common default for a public IP address like this would be /24, which indicates that the first 24 bits are used for the network portion. Thus, the CIDR notation could be represented as 123.54.34.77/24. However, the actual CIDR can vary depending on the specific subnetting of the network.
This isn't a valid CIDR address, so I assume it is: 192.168.1.162/7 That would yield a subnet mask of 255.255.255.254
Class A default is 255.0.0.0 Class B default is 255.255.0.0 Class C default is 255.255.255.0
If this is a default subnet mask, then it would be a class C subnet mask. If you are subnetting a network and this is not the default subnet mask, then it could be either a class A or class B.
Since this is a Class C address, the default network mask is 255.255.255.0.Since this is a Class C address, the default network mask is 255.255.255.0.Since this is a Class C address, the default network mask is 255.255.255.0.Since this is a Class C address, the default network mask is 255.255.255.0.
255.0.0.0The default subnet mask of a class A network is 255.0.0.0
class A address - default mask is 255.0.0.0
255.255.0.0255.255.0.0 is the default for a class B address
dotted decimal notation