When describing IPv4 networks, I can use or just 0/0 to specify all networks. What is the equivalent notation for IPv6?

2 Answers 2


The IPv6 equivalent of IPv4's is ::/0.


::/0 is the short-form, but you could also write out all the zeros if you want. 0000:0000:0000:0000:0000:0000:0000:0000/0

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