That depends on which groups play ball. IP addresses are geographically distributed, and since most people use VPNs (and Wikipedia disallows VPNs anyway), it’s relatively easy to track an IP address to a geographic area. Further, companies buy IP blocks, so you can also usually figure out which ISP that IP address is associated with. If you happen to be near the area, you might be able to triangulate it further with latency checks, but you’d need understanding of how the network is laid out.
That gets you in the ballpark with publicly accessible information, and then it’s just a matter of getting the relevant parties to connect that to an address or a name. If the ISP allocates them in a predictable manner, you may not need the ISP to narrow it down.
This mostly applies to IPv4, IPv6 is another beast entirely. But most people are still on IPv4 at home. For IPv6
That depends on which groups play ball. IP addresses are geographically distributed, and since most people use VPNs (and Wikipedia disallows VPNs anyway), it’s relatively easy to track an IP address to a geographic area. Further, companies buy IP blocks, so you can also usually figure out which ISP that IP address is associated with. If you happen to be near the area, you might be able to triangulate it further with latency checks, but you’d need understanding of how the network is laid out.
That gets you in the ballpark with publicly accessible information, and then it’s just a matter of getting the relevant parties to connect that to an address or a name. If the ISP allocates them in a predictable manner, you may not need the ISP to narrow it down.
This mostly applies to IPv4, IPv6 is another beast entirely. But most people are still on IPv4 at home. For IPv6