A class ip address offer the most number of host
A class A would give you the most flexibility in terms of subnets and hosts per subnet. You could use up to 23 bits of information for subnets.
one number of host bits must be left when you doing subnetting.
The number of hosts in a classfull class A network with no subnetting is 16,777,214
SUBNET: subnet is a group of networks having same network id. subnet increase the number of hosts with same network address, as result it reduces the wastage of addresses. In subnetting bits of hostId will be captured by networdId. SUPERNET: supernet makes all the hosts with in a range of network address belong to a same group. This reduces the entries in the network address table. Supernetting combines the octets of the address.
One - by your problem statement, all addresses are part of the same network. The number of host addresses is 232-21 - 2, or about 2000.One - by your problem statement, all addresses are part of the same network. The number of host addresses is 232-21 - 2, or about 2000.One - by your problem statement, all addresses are part of the same network. The number of host addresses is 232-21 - 2, or about 2000.One - by your problem statement, all addresses are part of the same network. The number of host addresses is 232-21 - 2, or about 2000.
Because the number of public addresses is limited.
2
In IPv6 addresses the number FF often appears What is the decimal value of FF?
A class A network has more IP addresses - you can connect more hosts on it.A class C network has 256 IP addresses (of which you can use 254), a class B network about 65,000, a class A network about 17 million.More specifically, a Class A network can have 16,777,214 usable host addresses per network whereas a Class B network can have 65,6534 usable host addresses per network.Another advantage is the ridiculous amounts of subnetting you can do. For example, in a Class C network, you can't borrow the same number of bits as you can with a Class A because you only have the last octet to work with for the host portion. With a Class A network, the last three octets are the entire host portion, so you have 24 bits to work with for subnetting (technically 23 since you can't subnet down through all available bits and have no bits left for hosts =p). Due to the amount of subnets you can have and the 16+ million hosts you can potentially have on the same network, Class A networks are reserved for super big applications (ISPs and gigantic companies).
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It is literally impossible to calculate how many IP addresses there are around the world. The number people connecting online and offline are always changing so the number IP addresses are always changing.
2^48