Method: Addrinfo#ipv4_private?

Defined in:
raddrinfo.c

#ipv4_private? ⇒ Boolean

Returns true for IPv4 private address (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16). It returns false otherwise.

Returns:

  • (Boolean) 


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# File 'raddrinfo.c', line 2522

static VALUE
addrinfo_ipv4_private_p(VALUE self)
{
    uint32_t a;
    if (!extract_in_addr(self, &a)) return Qfalse;
    if ((a & 0xff000000) == 0x0a000000 || /* 10.0.0.0/8 */
        (a & 0xfff00000) == 0xac100000 || /* 172.16.0.0/12 */
        (a & 0xffff0000) == 0xc0a80000)   /* 192.168.0.0/16 */
        return Qtrue;
    return Qfalse;
}