Class A Subnetting
6:25
Class B Subnetting with a Class C Address
14:32
VLSM Subnetting - subnetting a subnet
9:46
Calculating IPv4 Subnets and Hosts - CompTIA Network+ N10-009 - 1.7
43:40
IP Addresses and Subnetting
9:21
Subnetting Cisco CCNA -Part 1 The Magic Number
14:14
13. Subnetting Class A B Networks
13:12
Class B ID - Subnetting
13:33