You were warned
Fortunately, the charge is hardly ruinous – $0.005 per IP address per hour, which equates to a total cost of $43.80 per year for each public IPv4 address you have – excluding any IP addresses that you might own and opt to bring to AWS using Amazon's BYOIP service.has done the calculations and estimated that across all users, this will add up to a sum of between $400 million and $1 billion a year for AWS.
"While this is a new and additive charge which reduces to a degree the value that a customer receives from AWS services, this is a realistic charge given the expensive and limited nature of an IPv4 address and the fact it is being provided to a customer as a service, similar to the infrastructure hardware," said IDC Senior Research Director Andrew Buss.
Corey Quinn, Chief Cloud Economist at The Duckbill Group had initially welcomed the move by AWS as a way of ensuring that other customers were not impacted by the behaviour of the IPv6 laggards.