method

mask

Ruby latest stable (v2_5_5) - 0 notes - Class: IPAddr

mask(prefixlen) public

Returns a new ipaddr built by masking IP address with the given prefixlen/netmask. (e.g. 8, 64, “255.255.255.0”, etc.)

# File lib/ipaddr.rb, line 160
  def mask(prefixlen)
    return self.clone.mask!(prefixlen)
  end