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8 Cards in this Set
- Front
- Back
Class A
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The first octet denotes the network address, and the last three octets are the host portion. Any IP address whose first octet is between 1 and 126 is a Class A address. Note that 0 is reserved as a part of the default address, and 127 is reserved for internal loopback testing.
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Class B
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The first two octets denote the network address, and the last two octets are the host portion. Any address whose first octet is in the range 128 to 191 is a Class B address.
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Class C
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The first two octets denote the network address, and the last two octets are the host portion. Any address whose first octet is in the range 128 to 191 is a Class B address.
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Class D
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Used for multicast. Multicast IP addresses have their first octets in the range 224 to 239
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Class E
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Reserved for experimental usage and includes the range of addresses with a first octet from 240 to 255.
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Class A Private
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IP Addresses: 10.0.0.0 – 10.255.255.255
Number of IPs: 16,777,216 |
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Class B Private
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IP Addresses: 172.16.0.0 – 172.31.255.255
Number of IPs: 1,048,576 |
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Class C Private
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IP Addresses: 192.168.0.0 – 192.168.255.255
Number of IPs: 65,536 |