method

private?

v2_5_5 - Show latest stable - Class: IPAddr

private?()

public

Returns true if the ipaddr is a private address. IPv4 addresses in 10.0.0.0/8, 172.16.0.0/12 and 192.168.0.0/16 as defined in RFC 1918 and IPv6 Unique Local Addresses in fc00::/7 as defined in RFC 4193 are considered private.

# File lib/ipaddr.rb, line 278
  def private?
    case @family
    when Socket::AF_INET
      @addr & 0xff000000 == 0x0a000000 ||    # 10.0.0.0/8
        @addr & 0xfff00000 == 0xac100000 ||  # 172.16.0.0/12
        @addr & 0xffff0000 == 0xc0a80000     # 192.168.0.0/16
    when Socket::AF_INET6
      @addr & 0xfe00_0000_0000_0000_0000_0000_0000_0000 == 0xfc00_0000_0000_0000_0000_0000_0000_0000
    else
      raise AddressFamilyError, "unsupported address family"
    end
  end

private?

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