How many subnets are in a Class C network?
Those sixteen possible values are 0000, 0001, 0010, 0011, 0100, 0101, 0110, 0111, 1000, 1001, 1010, 1011, 1100, 1101, 1110 and 1111. That means, we get sixteen subnets if we do a 4-bit subnetting for a Class C network.
How many hosts are in a class C?
Table 2-1 IP Addresses Available to Internet Hosts
| Address Class | First Octet Range | Number of Hosts Per Network |
|---|---|---|
| Class A | 0 to 126 | 16,777,214 |
| Class B | 128 to 191 | 65,534 |
| Class C | 192 to 223 | 254 |
How many hosts are allowed in the Class C IP address?
254
Class C network numbers use 24 bits for the network number and 8 bits for host numbers. Class C network numbers are appropriate for networks with few hosts–the maximum being 254. A class C network number occupies the first three bytes of an IP address.
How many hosts are in a subnet?
Class A
| Network Bits | Subnet Mask | Number of Hosts |
|---|---|---|
| /24 | 255.255.255.0 | 254 |
| /25 | 255.255.255.128 | 126 |
| /26 | 255.255.255.192 | 62 |
| /27 | 255.255.255.224 | 30 |
How many subnets and hosts are available?
As you can see, there are eight 0s in the subnet mask. To use this with the host’s formula, you would calculate 28 – 2. This comes to 256 minus the 2 reserved addresses, or 254. So, with the subnet mask specified, you will get 254 usable hosts.
How many subnets are in Class A?
The reason you would use this with a Class A mask is because it can give you up to 4,194,304 subnets with two hosts each.
How many hosts can be addressed with 4 host bits?
A /28 CIDR notation indicates 4 bits are left for hosts (32 – 28 = 4). Using the 2n-2 formula, or 24 – 2, or 16 – 2, you see the answer is 14. In other words, /28 supports 14 hosts, which isn’t enough to meet the need of 24 addresses in the question.
How many hosts are in a 224 subnet?
224 subnet mask. This mask permits up to 8 subnets with enough host addresses for 30 hosts per subnet.
How to subnett a Class C network address?
Subnetting a Class C network address. You already know how to answer questions one and two. To answer question three, use the formula 256- subnetmask to get the first subnet and your variable. Keep adding this number to itself until you get to the subnet mask value to determine the valid subnets.
How many hosts does a Class A network have?
Since the host portion has now lost two bits, the host portion will have only 22 bits (out of the last three octets). This means the complete Class A network is now divided (or subnetted) into four subnets, and each subnet can have 222 hosts (4194304).
How to calculate the number of hosts for a subnet?
A subnet with 26 network bits has six bits available for the host IP addresses. You then also need to subtract 2 IP addresses for the network IP itself and the broadcast address. So, the formula is as follows: You can use this with any number of network bits to determine how many bits you have available to create hosts for your subnet.
How are Class B IP addresses subnetted in IPv4?
IPv4 Class B Subnets. By default, using Classful Networking, fourteen bits are used as Network bits providing (2 14) 16384 Networks and (2 16-1) 65534 Hosts. class B IP Addresses will be subnetted constant means as class A addresses, by borrowing bits from Host bits.