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I know I know what you're thinking.
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You're really chomping at the bit to get this subletting, but before we talk about it, it's better
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to learn the IP classes and the subnet masks first.
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Right?
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Octet of the IP address are broken down to provide an addressing scheme that can accommodate large and
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small networks.
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So they're basically five different classes of networks, and they range from A to E.
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We're going to focus on classes A, B and C, which provide unique cast addresses for networks of three
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different network sizes.
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Class D is for multicast networking and the Class C address ranges reserved for future or experimental
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purposes.
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So given an IP address, its class can be determined from the three high order bits.
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And by that, I mean the three leftmost bit in the first octet.
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In a class I address, the first octet is a network portion.
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So Class AA has a major network address of one dot zero zero zero all the way through one to seven Dot
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255.255.255.0.
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The next 24 bits are for the network manager to divide in subnets and hosts as he or she sees fit.
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Class addresses are used for networks that have more than 65000 536 hosts.
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In a Class B address, the first two octet are the network portion.
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So Class B has a major network address of one two eight zero zero zero all the way through one nine
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one 255.255.255.0.
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Arquette's three and four.
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That means 16 bit are for a local subnets and hosts.
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Class B addresses are used for networks that have between 256 and 65000 534 hosts.
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And finally, in a Class C address, the first three octet are the network portion.
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Class C has a major network address of one nine two zero zero zero all the way through two to three
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Dot 255.255.255.0 Octet for eight bits is for local subnets and hosts perfect for networks with less
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than 250 for hosts.
2842
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