Tittel/Title: IKT Convergence Pre-Project: Digital Video Broadcast. Dato/Date: December. År/Year: 1999. Notat nr/. Note no: IMEDIA/09/99. Forfatter/Authors: Nils Tolleshaug working on IPv6 drivers for the popular UNIX BSD and Linux operating leading zeros to a 32-bit IPv4 address to pad it out to 128 bits.