The uptake of IPv6 has taken a huge leap forward as Europe hits the limit of old-style IPv4 addresses.
IPv4 addresses will now be subject to strict rationing by the body that hands them out in Europe.
From now on, companies can make just one more application for IPv4 addresses and, if their application is successful, will only get 1,024 of them.
Any application for further IPv4 addresses must also demonstrate how an organisation is using the new, replacement addressing scheme IPv6.
Every device that goes online is allocated a unique Internet Protocol (IP) address.
The internet grew up using an addressing scheme called IP Version 4 (IPv4). In the 1970s when the web was being built the 4.3 billion IP addresses allowed by IPv4 were thought to be enough.
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