Method: IPAddress::IPv4#size

Defined in:

lib/ipaddress/ipv4.rb

#size ⇒ Object

Returns the number of IP addresses included in the network. It also counts the network address and the broadcast address.

ip = IPAddress("10.0.0.1/29")

ip.size
  #=> 8

# File 'lib/ipaddress/ipv4.rb', line 526

def size
  2 ** @prefix.host_prefix
end