Best On-Premises Network Discovery Tools

JDisc Discovery is a comprehensive network inventory and IT asset management solution designed to help organizations gain clear, up-to-date visibility into their IT environment. It automatically scans and maps devices across the network, including servers, workstations, virtual machines, and network hardware, to create a detailed inventory of all connected assets. This includes critical information such as hardware configurations, software installations, patch levels, and relationshipots between devices. One of the standout features of JDisc Discovery is its agentless discovery process, meaning it does not require the installation of any software on individual devices, reducing deployment time and minimizing network impact. It supports a wide range of protocols (e.g., SNMP, SSH, WMI) to gather data, making it compatible with diverse IT environments, whether they are Windows, Linux, or Unix-based.

ManageEngine OpManager is an effective network discovery solution that automatically identifies and maps all devices within a network. It provides comprehensive visibility into the network infrastructure, including routers, switches, servers, and other components, enabling IT teams to understand their network topology. With features like automatic device classification, real-time updates, and detailed reporting, OpManager simplifies the management of complex networks. This powerful tool helps organizations maintain accurate inventories, optimize resource allocation, and enhance overall network performance by providing valuable insights into device relationships and connectivity.

Unimus is an on-prem Network Automation and Configuration Management (NCM) solution built for rapid deployment and simplicity. Its powerful Network Discovery scans your network to detect all devices, collecting hostnames, serial numbers, vendor, OS info, and open SSH/Telnet ports. Discovered devices are instantly available for backups, audits, config pushes, and CLI access. Scans can be scheduled, and the engine supports IP exclusions for focused discovery. This gives IT teams full network visibility with minimal effort. With support for 400+ device types from 150+ vendors, Unimus is a vendor-neutral solution offering automation, change management, and config auditing. It reduces manual errors, strengthens security, and speeds up operations — no coding needed.

NetCrunch is a powerful, scalable, all-in-one network monitoring system built for modern IT environments. It supports agentless monitoring of thousands of devices, covering SNMP, servers, virtualization (VMware, Hyper-V), cloud (AWS, Azure, GCP), traffic flows (NetFlow, sFlow), logs, and custom data via REST or scripts. With 670+ monitoring packs and dynamic views, it automates discovery, configuration, alerting, and automates self-healing actions for efficient remote remediation in response to alerts. Its node-based licensing eliminates sensor sprawl and complexity, providing a clear, cost-effective path to scale. Real-time dashboards, policy-driven setup, advanced alert tuning and 40+ alert actions including remote script execution, service restart, process kill or device reboot-make NetCrunch ideal for organizations replacing legacy tools like PRTG, SolarWinds, or WhatsUp Gold. Fast to deploy and future-proof. Can be installed on prem, self hosted in the cloud, or mixed.

NetBrain helps IT teams halve MTTR and prevent outages with AI-driven automation. Trusted by 2,500+ enterprises worldwide, our no-code, intent-based platform turns manual network operations into intelligent automation, keeping networks running smoothly and efficiently.​ Top use cases: - Automated Troubleshooting - Automated Change Management - Network AIOps - Network Assessment - Network Visibility - Network Observability - Network Security

OpUtils is IP address and switch port management software that is geared towards helping engineers efficiently monitor, diagnose, and troubleshoot IT resources. OpUtils complements existing management tools by providing trouble shooting and real-time monitoring capabilities. It helps network engineers manage their switches and IP address space with ease. With a comprehensive set of over 20 tools, this switch port management tool helps with network monitoring tasks like detecting a rogue device intrusion, keeping an eye on bandwidth usage, monitoring availability of critical devices, backing up Cisco configuration files, and more. Enable advanced IP scanning of IPv4 and IPv6 subnets in your network to identify the available and used IP addresses. Scan all the switches in your network, map switch ports, run port scans and view details such as physical location, user, and more. Identify rogue device intrusions and block access to these devices.

Paessler PRTG is an all-inclusive monitoring software solution developed by Paessler. Equipped with an easy-to-use, intuitive interface with a cutting-edge monitoring engine, PRTG optimizes connections and workloads as well as reduces operational costs by avoiding outages while saving time and controlling service level agreements (SLAs). The solution is packed with specialized monitoring features that include flexible alerting, cluster failover solution, distributed monitoring, in-depth reporting, maps and dashboards, and more. PRTG monitors your entire IT infrastructure. All important technologies are supported: • SNMP: ready-to-use and custom options • WMI and Windows Performance Counters • SSH: for Linux/Unix and macOS systems • Traffic analysis using flow protocols or packet sniffing • HTTP requests • REST APIs returning XML or JSON • Ping, SQL, and many more

Avoid downtime with a network monitoring solution that covers you from the network edge to the cloud. See developing issues before users report them. Troubleshoot faster from an interactive topology map that shows connectivity and dependencies. See what's up and what's down instantly whether in the cloud or on-premises. Get complete visibility to the status of network devices, systems and applications. Leverage topology-aware monitoring that understands network dependencies so you receive fewer, more intelligent alerts. Receive notifications through SMS, email, web or Slack so you know about developing issues before users report them. Integrate your other systems with a powerful REST API to automate your workload. See network devices, servers, virtual machines, cloud and wireless environments in context. Click on any device to get immediate access to a wealth of related network monitoring settings and reports. See how everything is connected and get answers faster.

UVexplorer PRO automatically and quickly discovers all of the information about the devices on your network and the connections between them. UVexplorer creates network maps for documentation, meetings, presentations, sharing with your boss, or hanging on the wall. Export UVexplorer's automated network maps to PRTG, LucidChart, Microsoft Visio™, PDF, and SVG file types. UVexplorer also backups and provides change notifications for configurations of your network devices, such as routers, switches, and firewalls. Track how device configurations change over time. With UVexplorer's PRTG Connector, add powerful network discovery, detailed device inventory, and automatic network maps to PRTG Network Monitor. Capture detailed device and network inventory information to help meet documentation requirements of governmental regulations like PCI, HIPAA, FISMA, SOX, etc. Analyze and solve network and device problems with UVexplorer's suite of diagnostic tools.

Codima Toolbox is an all in one solution, allowing an organization to Discover and Manage all Network Assets, Automatically create documentation in both Web and Visio Network Maps, and Monitor Network Devices, all without the use of Agents. Toolbox helps users make informed decisions using reliable device data, with minimum effort, after a Network Discovery, every other feature within Toolbox is fully set up and ready to go. Make device network management and network documentation simple.

GestióIP is a automated, web based IPv4/IPv6 address management (IPAM) software. It features powerful network discovery and IP tracking functions and offers search and filter functions for both networks and host, permitting Internet Search Engine equivalent expressions. This lets you find the information that administrators frequently need easily and quickly. GestióIP IPAM is free software. GestióIP is also available as service in Cloud. GestióIP Cloud IPAM-as-a-Service is an alternative to the On-Premise installation of the software. It offers an easy way to implement an IP Address Management system and to at once enjoy the benefits of a cloud based software solution. GestióIP is free software. To satisfy business needs, the project offers additionally commercial features and services. The GestióIP project offers an additional PlugIn to backup and manage the configurations of network devices.

Network Performance Monitor (NPM) by SolarWinds delivers advanced network troubleshooting for on-premises, hybrid, and cloud services using critical path hop-by-hop analysis. Powerful and affordable, this modern network monitoring software enables IT organizations to quickly detect, diagnose, and resolve network issues and outages, thereby improving network performance. SolarWinds’ Network Performance Monitor offers a host of features such as Performance analysis dashboard, NetPath critical path visualization, Intelligent alerts, Multi-vendor network monitoring, Network Insight for Cisco ASA and F5 BIG-IP.

GroundWork Monitor Enterprise is a powerful IT monitoring software for physical, virtual, and cloud-based infrastructures. GroundWork can monitor your entire IT environment. If you use it, we can monitor it. GroundWork Monitor Enterprise is a unified monitoring system bridging enterprise on-premise and cloud-scale monitoring and analytics. With GroundWork, you can collect and analyze all your performance and operational data from a single platform. We bring together performance and availability for your entire application stack and infrastructure. With flexible and customizable workflows, as well as powerful integrations, GroundWork is your central point in IT monitoring data collection and status alerting. We track application health, automatically deploy monitoring, and identify network issues. GroundWork agents, with API-based monitoring, make real-time data gathering a reality. With automated network discovery and device registration, we make it easy to reduce manual intervention.

UncommonX delivers a hyperconverged, AI‑powered Exposure Management platform that provides complete, agentless visibility across on‑premises, cloud, mobile, and SaaS environments. Its patented Agentless Discovery automatically maps every network element without intrusive agents, while Universal Integration consolidates logs, SIEM data, and threat feeds into a single dashboard. A proprietary Relative Risk Rating (R3) assesses assets in real time against standard NIST factors, and built‑in Threat Intelligence continuously enriches risk profiles. The platform’s Detection and Response module offers a real‑time alert dashboard for rapid investigation, containment, and remediation, and a Central Intelligence feature enables proactive vulnerability assessments and threat hunting. Complementing these core capabilities, UncommonX supports managed MDR/XDR, 24/7 SOC services, Asset Discovery & Management, Vulnerability Management, and MSP‑focused XDR deployments.