The unique numerical address of a computer on the internet, expressed as four sets of numbers of at most three digits each, separated by dots, such as 150.237.176.24, is termed

The unique numerical address of a computer on the internet, written as four dot-separated numbers, is its Internet Protocol address.

A URL is a human-readable web address for a resource, not this numeric machine identifier.

An ISP is the provider of internet access, not the numeric address of a computer.

No other choice fits because Internet Protocol address is precisely the term.

The four-number dotted form shown is a version four IP address.

Each of the four groups ranges from 0 to 255.