
In less than a year, the world will run out of internet addresses and inaction by internet providers could lead to broken applications and more expensive net connections, experts warn.
The protocol underpinning the net, known as IPv4, provides only about 4 billion IP addresses - not website domain names, but the unique sequence of numbers assigned to each computer, website or other internet-connected device.
The explosion in the number of people, devices and web services on the internet means there are only about 232 million left. This allocation is set to be exhausted in about 340 days.
"When the IPv4 protocol was developed 30 years ago, it seemed to be a reasonable attempt at providing enough addresses, bearing in mind that at that point personal computers didn't really exist. The idea that mobile phones might want an IP address hadn't occurred to anybody because...