Check the IP address in your router or firewall logs
Review server access logs
Use website analytics tools
Use email header analysis
Use command-line tools like ping, traceroute, or nslookup
Use IP lookup services to identify the ISP and approximate location
Contact your internet service provider for records if legally authorized
Use security software or SIEM tools to monitor IP activity
Check cloud platform logs for source IP addresses
Use geolocation databases to map the IP address
Correlate the IP with timestamps and session logs
Preserve logs and evidence for later investigation