Do ISP's have a database that lists the names and phone numbers of all of its users by their private IP addresses?
camelNotation
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Most ISPs assign public IPs to consumers via DHCP. This can be totally random (and unlikely to be any logs although not impossible) and is generally the case with dial-up and ADSL. Alternatively, they can assign IPs via DHCP based on the MAC address of the modem (common …
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jbennet
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Possibly.
Most ISPs assign public IPs to consumers via DHCP. This can be totally random (and unlikely to be any logs although not impossible) and is generally the case with dial-up and ADSL. Alternatively, they can assign IPs via DHCP based on the MAC address of the modem (common with cable broadband) . If so, they are probably quite likely to keep records.
Stylish
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ISPs record who received what IP and when (if DHCP). They have been for years. (in the US anyway) Even as far back as dial-up..
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