NetScope: Network Scanner

Fast LAN device discovery with inventory, history & diff, port checks, and CSV/JSON export. For authorized networks only.

NetScope is a local network (LAN) discovery and auditing tool that helps you detect devices, maintain inventory, and track changes over time. It uses multiple discovery protocols (ARP, DHCP, mDNS, NetBIOS, SNMP, SSDP, WS-Discovery) for efficient and reliable scanning.

Key features • Multi-protocol LAN discovery with parallel scanning • Device inventory: vendor detection, hostname resolution, notes & tags • Scan history & diff: detect added, removed, or changed devices • Defensive security checks: basic port checks and risk indicators • Export reports in CSV / JSON • Local storage & dark mode

Use cases • Home labs and small office networks • Asset inventory and troubleshooting • Network change monitoring and audits

Important • Use only on networks you own or have permission to manage. • Not intended for unauthorized access or intrusion.