Residential vs Commercial IP

What fields can help with classifying an IP address as residential vs commercial IP address?
Any input is highly appreciated.
I would like to classify the requests to my API as highly likely to be from a residential IP vs commercial. What fields can provide insights into this?


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You can look into the AS type field for this. If the AS type or the company type is marked as ISP , it is a residential IP.

For example, check these IPs:

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