Netdisco is a web-based network management application for small to very large networks.
It gathers IP and MAC address data into a PostgreSQL database using SNMP, CLI, or device APIs, and provides a lightweight web interface together with backend services for discovering, tracking, and administering network infrastructure. The software is designed to help administrators find devices and endpoints quickly, monitor switching environments, and maintain visibility over network topology and hardware estate.
This is free and open source software.
Key Features
- Finds a machine on the network by MAC address or IP address and shows the switch port it is connected to.
- Lets administrators disable a switch port or change a port’s VLAN or PoE status.
- Inventories network hardware by model, vendor, software, and operating system.
- Keeps historical records of system IP addresses and physical locations.
- Provides network topology visualisation and searchable data access through an API.
Website: github.com/netdisco/netdisco
Support:
Developer: Netdisco developers
License: BSD 3-Clause License

Netdisco is written in Perl. Learn Perl with our recommended free books and free tutorials.
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