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What is a Netmask? Jun 07, 2019 IPv4 - Address Classes - Tutorialspoint The default subnet mask for Class A IP address is which implies that Class A addressing can have 126 networks (2 7-2) and 16777214 hosts (2 24-2). Class A IP address format is thus: 0 NNNNNNN.HHHHHHHH.HHHHHHHH.HHHHHHHH. Class B Address. An IP address which belongs to class B has the first two bits in the first octet set to 10, i.e. Configure a Static Network Address (IP Address, Subnet

Subnet Mask Cheat Sheet -

What is my IP | What is a Subnet mask?

Jul 20, 2020

invalid IP for this subnet mask entered - Cisco Community - is a network address, the first in the subnet - is a broadcast address, the last in the subnet - is a network address, the first in the subnet . These IP's can't be assigned to a host, as those IP's represent the network itself, or everyone in the subnet (broadcast address), this it cannot uniquely identify