Eight customers subscribe to the monthly service, selecting from 21 arrangements priced $2.50 to $40.
More than 200 000 customers subscribe, giving the company a bigger market share than any other cable firm in Britain.
Usually, in order to be able to get an internet subscription through cable, the customers must also subscribe to a TV service.
Both prepaid and postpaid customers can subscribe to such services.
When a customer subscribes to Consumer magazine or consumer.org.
The process is more complex than it would be if the customer subscribes to Sky.
An estimated 11 million customers worldwide subscribe to a commercial on-line service, a number that is expected to explode in the next five years.
So many customers have subscribed to cable that it is now the primary means of watching television in the United States.
Many customers, if not most, subscribe to more than one on-line service.
Comcast said 200,000 new customers subscribed to its digital television plans.