The Best 38 Port Authority Alternatives

  • Traceroute Online

    Traceroute application with mapping and distance calculated and plotted on Google Maps. Clean layout, with no ads and easy to use.

    Free Web

  • MASSCAN

    This is the fastest Internet port scanner. It can scan the entire Internet in under 6 minutes, transmitting 10 million packets per second.

    Free Open Source Mac OS X Windows Linux BSD

  • IP Address Tracker

    IP Address Tracker frees you from the evils of spreadsheets, delivering powerful and simple-to-use features that give you a unified view of your IP address space and...

    Free Windows

  • NmapSI4

    NmapSi4 is a complete Qt4-based Gui with the design goals to provide a complete nmap interface for Users, in order to menage all option of this power security net...

    Free Open Source Mac OS X Windows Linux

  • VisualRoute

    VisualRoute helps determine if a connectivity problem is due to an ISP, the Internet, or the destination web site, and pinpoints the network where a problem occurs. Get...

    Commercial Mac OS X Windows

  • Who’s On My Wifi

    As the owner of a wireless network, you want to protect it from hackers and freeloaders. Download Who's On My Wifi and find them today.

    Freemium Windows Android iPhone

  • iNet - Network Scanner

    iNet provides you with information about networks your iPhone or iPod touch is connected to. Its very easy and user friendly design even allows the unexperienced user to...

    Freemium Mac OS X iPhone iPad

  • Air Scan

    Air Scan is an intelligent network utility app which makes your wireless networks smart... irrespective of your wireless network setup and hardware. Air Scan can be...

    Free Android

  • ship.sh

    🚢 🌊 A simple, handy network addressing multitool 🔎 with plenty of features.

    Free Open Source Linux

  • Visual Ping

    Visual replacement for the standard ping utility. It helps you monitor TCP/IP targets, by sending echo requests and displaying the responses over a detailed list and a...

    Free Windows

  • Advanced IP Address Calculator

    Advanced IP Address Calculator (Free) - Easy-to-use IP subnet calculator that lets you to calculate every aspect of your subnet configuration in a few mouse clicks!

    Free Windows

  • LanSpy

    LanSpy is a set of network utilities brought together in a single program with simple and easy-to-use interface. LanSpy help network administrators maintain and manage...

    Free Windows

  • HyperTrace

    Have you ever wanted to know what other computers your information packets go through on the internet? Or maybe your connection seems a little bit slow, and you'd...

    Free Windows

  • NetAdmin

    NetAdmin is a fully automated powerful monitoring tool which continuously provides diverse information on the local network you are connected. In your offices and...

    Commercial

  • Netscan

    Find out what else is on the network with your iPhone. Find other servers, router printers and other wifi devices. Even discover devices that were recently online but...

    Commercial

  • NetworkToolbox - Net security

    Provides various scanning options such as WiFi Network IP scanning, Port scanning and integrates the SHODAN scan engine, Security exploit tests and more.

    Commercial