vlsm cheat sheet
he original network address and allocate subnets sequentially, adjusting as per the subnet mask: Example with network 192.168.1.0/24: Subnet A (/26): 192.168.1.0 – 192.168.1.63 Subnet B (/27): 192.168.1.64 – 192.168.1.95 Subnet C (/28): 192.168.1.96 – 192.168.1.111 Subnet D (/29): 192.168.1.112 – 1