Zmap – Single Packet Network Scanner Designed For Internet-wide Network Surveys

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ZMap is a 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. With a 10gigE connection and PF_RING, ZMap can scan the IPv4 address space in under 5 minutes.

ZMap operates on GNU/Linux, Mac OS, and BSD. ZMap currently has fully implemented probe modules for TCP SYN scans, ICMP, DNS queries, UPnP, BACNET, and can send a large number of UDP probes. If you are looking to do more involved scans, e.g., banner grab or TLS handshake, take a look at ZGrab, ZMap’s sister project that performs stateful application-layer handshakes.

Installation

The latest stable release of ZMap is version 2.1.1 and supports Linux, macOS, and BSD. We recommend installing ZMap from HEAD rather than using a distro package manager.

Instructions on building ZMap from source can be found in INSTALL.

Usage

A guide to using ZMap is found in our GitHub Wiki.

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