Best Free IP Address Management (IPAM) Software of 2026

OpUtils is an IP address and switch port management tool that engineers can use to efficiently monitor, diagnose and troubleshoot IT resources. OpUtils is a complement to existing management tools, providing real-time monitoring and troubleshooting capabilities. It makes it easy for network engineers to manage their switches and IP addresses. This switch port management tool includes over 20 tools that can be used to monitor network performance, such as monitoring bandwidth usage, monitoring the availability of critical devices, and backing up Cisco configuration files. Advanced IP scanning of IPv4 or IPv6 subnets within your network is possible to identify available and used IP addresses. You can scan all switches in your network, map ports, run port scans, and view details such user, physical location, and more. Block access to rogue devices and identify rogue device intrusions.

Tidal LightMesh IPAM provides network and infrastructure teams with a modern system of record for IP address space across cloud, hybrid, and on-premises environments. Its scale-able architecture supports complex distributed networks, including environments with millions of IPs, thousands of locations, overlapping address spaces, and multiple routing zones. LightMesh combines visual IPAM with automated discovery. TreeView mapping, IPv4/IPv6 management, subnet planning, conflict detection, global search, and capacity monitoring provide a clear view of network resources. Microsoft DHCP synchronization brings servers, scopes, leases, reservations, and lease history into IPAM, while scheduled ICMP Ping Sweeps help identify active hosts. AWS, Azure, Cisco Meraki, and Nmap integrations extend visibility across cloud and network infrastructure. An API-first architecture supports automation and integration with infrastructure workflows such as Terraform, Ansible, CI/CD, and security tooling. SSO, role-based access controls, Requestor workflows, detailed audit history, custom schemas, and multi-site management provide additional governance for enterprise teams. LightMesh is available as SaaS or self-hosted for organizations that require greater control over deployment and data.