On the recordRead 8 Oct 202621 facts
ZMap
On the record
- Ethical scanning
- The project cautions that Internet-wide scans can have serious ethical and operational implications and advises scanning slowly and providing an opt-out for network operators.github.com · read 8 Oct 2026
- High-speed scanning
- With a 10gigE connection and netmap or PF_RING, ZMap can scan the IPv4 address space in under five minutes.github.com · read 8 Oct 2026
- Installation
- The project documents installation through package managers or from source, including Debian or Ubuntu packages and macOS Homebrew or MacPorts.github.com · read 8 Oct 2026
- Intended audience
- The project describes its collection of open-source tools as intended for large-scale studies of hosts and services on the public Internet.zmap.io · read 8 Oct 2026
- Intended users
- The project describes ZMap as a tool for Internet-wide network surveys and lists research among the repository topics.github.com · read 8 Oct 2026
- License
- The repository provides ZMap under the Apache License, Version 2.0, whose license text grants a no-charge, royalty-free copyright license subject to its terms.github.com · read 8 Oct 2026
- Operating systems
- ZMap operates on GNU/Linux, macOS, and BSD.github.com · read 8 Oct 2026
- Privileges
- The README's example scan requires root privileges.github.com · read 8 Oct 2026
- Probe support
- ZMap has probe modules for TCP SYN scans, ICMP, DNS queries, UPnP and BACNET, and can send UDP probes.github.com · read 8 Oct 2026
- Probe types
- ZMap has implemented probe modules for TCP SYN scans, ICMP, DNS queries, UPnP, and BACNET, and can send many UDP probes.github.com · read 8 Oct 2026
- Project
- The ZMap Project is a collection of open source measurement tools for large-scale studies of hosts and services on the public Internet.zmap.io · read 8 Oct 2026
- Project tools
- The project also lists ZDNS for DNS lookups, LZR for protocol identification, and ZLint for X.509 certificate checks.zmap.io · read 8 Oct 2026
- Purpose
- ZMap is a fast, stateless, single-packet network scanner designed for Internet-wide network surveys.github.com · read 8 Oct 2026
- Related scanner
- ZGrab is the project's stateful application-layer scanner and supports protocols including HTTP, HTTPS, SSH, SMTP, Modbus and BACNET.zmap.io · read 8 Oct 2026
- Related tool
- The project describes ZGrab as a stateful application-layer scanner that can perform handshakes and collect service data from hosts found by ZMap.zmap.io · read 8 Oct 2026
- Requirements
- The README says a simple scan of the IPv4 space requires root privileges.github.com · read 8 Oct 2026
- Scanning guidance
- The README warns that Internet-wide scanning can have ethical and operational implications and advises scanning as slowly as necessary and providing network operators a way to opt out.github.com · read 8 Oct 2026
- Scan speed
- The README says ZMap can scan the public IPv4 address space on one port in under 45 minutes on a typical gigabit desktop, or in under five minutes with 10gigE and netmap or PF_RING.github.com · read 8 Oct 2026
