Mastering IP Subnetting and Network Address Calculation
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Understanding IP Address Classes and Basic Subnetting
IP addresses are categorized into classes, each with a default subnet mask that defines its network and host portions. Let's examine examples for Class A, B, and C networks.
Class A IP Address Calculations
- IP Address:
18.120.16.250
- Default Class: Class A
- Default Subnet Mask:
255.0.0.0
(or/8
) - Network Address:
18.0.0.0
- Broadcast Address:
18.255.255.255
Class B IP Address Calculations
- IP Address:
18.120.16.255
- Default Class: Class B
- Default Subnet Mask:
255.255.0.0
(or/16
) - Network Address:
18.120.0.0
- Broadcast Address:
18.120.255.255
Class C IP Address Calculations
- IP Address:
194.209.14.33
- Default Class: Class C
- Default Subnet Mask:
255.255.255.0
(or/24
) - Network Address:
194.209.14.0
- Broadcast Address:
194.