Best IP Scanners for Linux

ManageEngine Site24x7 is a comprehensive observability and monitoring solution designed to help organizations effectively manage their IT environments. It offers monitoring for back-end IT infrastructure deployed on-premises, in the cloud, in containers, and on virtual machines. It ensures a superior digital experience for end users by tracking application performance and providing synthetic and real user insights. It also analyzes network performance, traffic flow, and configuration changes, troubleshoots application and server performance issues through log analysis, offers custom plugins for the entire tech stack, and evaluates real user usage. Whether you're an MSP or a business aiming to elevate performance, Site24x7 provides enhanced visibility, optimization of hybrid workloads, and proactive monitoring to preemptively identify workflow issues using AI-powered insights. Monitoring the end-user experience is done from more than 130 locations worldwide.

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.

As the market leader in automated web application security testing, Acunetix by Invicti is the go-to security tool for Fortune 500 companies. DevSecOps teams can cut through the noise to uncover unseen risks and mitigate dangerous exploits, detecting and reporting on a wide array of vulnerabilities. With an industry-leading crawler that fully supports HTML5, JavaScript, and Single-page applications, Acunetix enables the auditing of complex, authenticated applications for deeper insight into an organization's risk posture. It's a leader for a reason: the technology behind Acunetix delivers the only product on the market that can automatically detect out-of-band vulnerabilities to enable comprehensive management, prioritization, and control for vulnerability threats by criticality. Plus, it's available both online and as an on-prem solution, integrating with popular issue trackers and WAFs so that DevSecOps teams don't have to slow down when building innovative apps.

Angry IP scanner is a very fast IP address and port scanner. It can scan IP addresses in any range as well as any their ports. It is cross-platform and lightweight. Not requiring any installations, it can be freely copied and used anywhere. Angry IP scanner simply pings each IP address to check if it’s alive, then optionally it is resolving its hostname, determines the MAC address, scans ports, etc. The amount of gathered data about each host can be extended with plugins. It also has additional features, like NetBIOS information (computer name, workgroup name, and currently logged-in Windows user), favorite IP address ranges, web server detection, customizable openers, etc. Scanning results can be saved to CSV, TXT, XML or IP-Port list files. With help of plugins, Angry IP Scanner can gather any information about scanned IPs. Anybody who can write Java code is able to write plugins and extend functionality of Angry IP Scanner.