# What is valid host?

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## What is a valid host range?

Answer: The valid hosts are the numbers between the subnet number and the mask. For the 64 subnet, the valid host range is 64-126. For the 128 subnet, the valid host range is 129-190.

## How do I know if an IP address is valid?

A valid IP address must be in the form of A.B.C.D, where A,B,C and D are numbers from 0-255. The numbers cannot be 0 prefixed unless they are 0.

## How do I find my host address?

To calculate the number of possible hosts per subnet, use the formula 2h – 2, where h equals the number of host bits. The reason two addresses must be subtracted is because of the network address and the broadcast address. There are two ways to determine the number of host bits. 1.

## Is 0.0 0.0 is a valid IP?

0.0 as a reserved, special-purpose address for “this host, this network.” Its IPv6 equivalent is expressed as ::/0. Although 0.0. 0.0 is valid address syntax, a client device using it as a source IP address cannot communicate on a network. IPv4 address numbers start with 0.0.

## How do you know if a host range is valid?

To find the valid host range, turn all of the host bits off and then turn them on.

1. 10.0 is the network address because all host bits are off.
2. 10.1 is the first valid host.
3. 10.254 is the last valid host.
4. 10.255 is the broadcast address because all host bits are on.
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## How many valid host addresses are available on an ipv4 subnet?

With 6 bits, 64 addresses are possible, but one address is for the subnet number and one address is for a broadcast. This leaves 62 addresses that can be assigned to network devices.

## Is 255 a valid IP address?

A standard Class C network consists of 256 addresses (0 to 255 inclusive), of which one is the network address (. … Valid (or usuable) ip addresses would be 192.168. 0.1 to 192.168.

## What is invalid IP address?

The message “Invalid IP Address” indicates a problem with your computer’s network setup. … Without a valid IP address your computer cannot use the network. A variety of reasons can make an IP address invalid, such as address conflicts with other computers and network configuration problems.

## Is 255.255 255.255 IP address valid?

255.255. 255.255. 255.255 is a special broadcast address, which means “this network”: it lets you send a broadcast packet to the network you’re connected to, without actually caring about its address; in this, is similar to 127.0. 0.1, which is a virtual address meaning “local host”.