'I doubt I could have gotten away with either one,' he says

Vinton Cerf speaks to journalists at the 2015 Heidelberg Laureate Forum in Heidelberg, Germany, on Aug, 24, 2015.

Vint Cerf is considered a father of the internet, but that doesn t mean there aren t things he would do differently if given a fresh chance to create it all over again.

If I could have justified it, putting in a 128-bit address space would have been nice so we wouldn t have to go through this painful, 20-year process of going from IPv4 to IPv6, Cerf told an audience of journalists Thursday during a press conference at the Heidelberg Laureate Forum in Germany.

IPv4, the first publicly used version of the Internet Protocol, included an addressing system that used 32-bit numerical identifiers.

It soon became apparent that it would lead to an exhaustion of addresses, however, spurring the creation of IPv6 as a replacement.

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