The internet consists of six servers

At least, according to Creamer's Engineering News it does.

Previously, third- and second-tier ISPs, such as MWeb, had to connect to first-tier ISPs, such as the South African Internet Exchange and Internet Solutions, from where their traffic was relayed by Telkom to either London or New York.

Only then were they connected to the global Internet, which consists of six large servers [emphasis added].

At least they realise that large servers would be needed. Roll on IBM!

And some documentary evidence, once the [inevitable] edit [hopefully] happens: