There are «only» 4 billion IPv4 adresses, to prevent running out of available addresses IPv6 was developed, expanding the number to 340 trillion trillion trillion (2 128).
Et gi "nëmmen" 4 Milliarden IPv4 Adressen, fir datt net aus Adressen ofgeschloss sinn ze vermeiden IPv6 gouf entwéckelt an d'Ausdehnung vun der Nummer un 340 Billionen Millioun Trill (2128).