The number of hosts in a classfull class A network with no subnetting is 16,777,214
There are4 octets in an IP address as shown below:Octet1.Octet2.Octet3.Octet4Every IP class has different allocation of network and host ID.For class A, the network and host IDs' allocation is as follows:Network.Host.Host.HostFor class B, the network and host IDs' allocation is as follows:Network.Network.Host.HostFor class C, the network and host IDs' allocation is as follows:Network.Network.Network.HostYou may go to the following link get more info on IP address classes and their IDs:www.iphow.x10hosting.com
The host information for a class C v4 address is in the last octet of the address.
Class A
CLASS A - 1-126 (10.0.0.0) 1 n/w, 3 host CLASS B - 128-191 (172.16.0.0) 2 n/w, 2 host CLASS C - 192- 223 (192.168.0.0) 3 n/w, 1 host CLASS D - 224-239 CLASS E - 240- 254
There are 4 octets in an IP address as shown below:Octet1.Octet2.Octet3.Octet4 Every IP class has different allocation of network and host ID.For class A, the network and host IDs' allocation is as follows:Network.Host.Host.HostFor class B, the network and host IDs' allocation is as follows:Network.Network.Host.HostFor class C, the network and host IDs' allocation is as follows:Network.Network.Network.HostYou may go to the following link get more info on IP address classes and their IDs:www.iphow.co.cc
This address is for a class B network (128 - 191)
A classful class B network has a network range of 128 - 191. For host addresses, anything that is legal for an IP address in the last 2 octets would be a valid host address for a class B with no subnets.
class A ip has 16777216 host but valid hosts are only 16777214.(2^24-2)So answer is 16777214 hosts
In a class A network, the first 8 bits specify the network, the remaining 24 bits specify the host.
Class C have 8 bit use for host address. So we have 2^8=256 address, but the first and the last one is not used for host => 256-2=254 PC (or host)
16777214
class A supports maximum number of hosts. | | | | | <------network------><--------------------------------hosts------------------------------------>