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

ZMap is described as 'Fast single packet network scanner designed for Internet-wide network surveys. On a typical desktop computer with a gigabit Ethernet connection, ZMap is capable scanning the entire public IPv4 address space in under 45 minutes' and is a IP Scanner in the network & admin category. There are more than 10 alternatives to ZMap for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best ZMap alternative is Nmap, which is both free and Open Source. Other great apps like ZMap are Angry IP Scanner, Fing, Zenmap and NetPeek.
This is the fastest Internet port scanner. It can scan the entire Internet in under 6 minutes, transmitting 10 million packets per second.

Netdiscover is an active/passive address reconnaissance tool, mainly developed for those wireless networks without dhcp server, when you are wardriving. It can be also used on hub/switched networks.
Fingbox is a cloud system to monitor and manage your network, based on Fing Apps, Applications and Tools. It's a secure, cross-platform, comprehensive solution to discover devices, scan services, analyze and customize your networks, from anywhere.



Fingbox is the most popular Web-based alternative to ZMap.
runZero provides asset inventory and network visibility for security and IT teams. You can discover your entire inventory including managed and unmanaged devices, on-premises and cloud assets, IT and OT infrastructure, endpoints at work and at home.




runZero Network Discovery is the most popular SaaS alternative to ZMap.
IP Scanner for Macintosh scans your local area network to determine the identity of all machines and internet devices on the LAN. Powerful results, yet easy and intuitive to use. Runs on OS X 10.4 and above.




This specialized application allows you to perform periodical checks of multiple hosts, IPs, websites and, if required, even ports.




Nmap online is dedicated to report the very fast nmap scan results, with a focus on nmap tool installed on back side. In easy steps you will scan your target from web interface by Browser.

grIP is a console-based, multiplatorm TCP port scanner with support for IPv4 ranges as well as individual IPv6 IPs. It will shuffle the scan range and utilize a configurable number of sockets to scan it in parallel.


