Technical guides for every NetTools.tech tool — what it does, how it works, how to read the results and how to troubleshoot — plus articles for system administrators, DevOps engineers and security professionals.
Tool guideIP & Network Utilities
How to find the organization behind an IP address with RDAP, BGP origin data and reverse DNS, why the registered owner and the routing network can differ, and how to use the results for abuse reports and firewall decisions.
Tool guideMy Info & Identity
How the public IP address of your connection is determined, what the registry, BGP, reverse DNS and location data around it mean, and how to troubleshoot VPN, NAT and IPv4/IPv6 surprises.