3 ms·
How do these companies know who to contact for a given IP address? Do ISPs just cooperate with them?
by floatboth 9y ago
How do these companies know who to contact for a given IP address? Do ISPs just cooperate with them?
- zaarn 9y agoWHOIS records. Though that only tells you the RIPE member for it. They might have still leased the IP elsewhere (which is totally informal, if you operate a IP range all you need is a letter saying you can do it with the owner's signature)