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Questions and Answers
What is the address range for Private (Class A) IP addresses?
What is the address range for Private (Class A) IP addresses?
- 192.168.0.0 - 192.168.255.255
- 172.16.0.0 - 172.31.255.255
- 10.0.0.0 - 10.255.255.255 (correct)
- 1-126 first octet
What is the address range for Private (Class B) IP addresses?
What is the address range for Private (Class B) IP addresses?
- 172.16.0.0 - 172.31.255.255 (correct)
- 192.168.0.0 - 192.168.255.255
- 10.0.0.0 - 10.255.255.255
- 1-126 first octet
What is the address range for Private (Class C) IP addresses?
What is the address range for Private (Class C) IP addresses?
- 10.0.0.0 - 10.255.255.255
- 192.168.0.0 - 192.168.255.255 (correct)
- 172.16.0.0 - 172.31.255.255
- 1-126 first octet
What is the first octet range for Public Class A IP addresses?
What is the first octet range for Public Class A IP addresses?
What is the first octet range for Public Class B IP addresses?
What is the first octet range for Public Class B IP addresses?
What is the first octet range for Public Class C IP addresses?
What is the first octet range for Public Class C IP addresses?
What is the first octet range for Public Class D IP addresses?
What is the first octet range for Public Class D IP addresses?
What is the first octet range for Public Class E IP addresses?
What is the first octet range for Public Class E IP addresses?
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Study Notes
Private IP Addresses
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Class A Range: 10.0.0.0 - 10.255.255.255; uses a subnet mask of 255.0.0.0.
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Class B Range: 172.16.0.0 - 172.31.255.255; uses a subnet mask of 255.240.0.0.
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Class C Range: 192.168.0.0 - 192.168.255.255; uses a subnet mask of 255.255.0.0.
Public IP Addresses
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Class A IP: The first octet ranges from 1-126; uses a subnet mask of 255.0.0.0. Supports 126 networks with 16,777,214 hosts per network.
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Class B IP: The first octet ranges from 128-191; uses a subnet mask of 255.255.0.0. Supports 16,382 networks with 65,534 hosts per network.
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Class C IP: The first octet ranges from 192-223; uses a subnet mask of 255.255.255.0. Supports 2,097,150 networks with 254 hosts per network.
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Class D IP: The first octet ranges from 224-239; no subnet mask as this range is reserved for multicasting.
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Class E IP: The first octet ranges from 240-254; no subnet mask as this range is designated for experimental research.
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