What is 95th percentile billing?

Put simply 95th percentile charging, involves a reading taken from the network connection every five minutes. At the end of the month, the top five per cent (which is approximately 36 hours of a 30-day billing cycle) of readings are removed and the next highest reading is the final chargeable figure.

Burstable rate calculation

So if you are paying for 1Mbps bandwidth, you will actually get a higher speed connection than this and will get the highest 5% of bandwidth burst free of charge.

Most ISPs use a five minute sampling and 95% utilization when calculating usage.

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