# ZMap

> Fast stateless network scanner for Internet wide surveys

- Canonical URL: https://www.fosshunter.com/tools/zmap
- JSON export: https://www.fosshunter.com/tools/zmap.json
- Website: https://github.com/zmap/zmap
- Category: Networking
- Open source: yes
- Self-hostable: yes
- Verified listing: no
- Featured: no
- Published at: 2026-05-24T16:45:29+00:00
- Catalog revision: `729298228`

## Repository metrics (point-in-time)

- Repository: https://github.com/zmap/zmap
- Stars: 6422
- Forks: 990
- Open issues: 8
- License: Apache-2.0
- Last push: 2026-11-03T01:47:22+00:00
- Metrics observed at (synced_at): 2026-11-03T17:59:17+00:00
- Archived: no

Tags: Network Security, Internet Filtering, Internet Measurement, Internet Scanning, Port Scanner
Tech stacks: CMake, docker, python

## Features
- Scans the entire public IPv4 address space in under 45 minutes using a gigabit connection. *(highlighted)*
- Supports modular probe types including TCP SYN, ICMP, DNS, and UDP queries. *(highlighted)*
- Designed with a stateless architecture to achieve high performance for large scale surveys. *(highlighted)*

## Description

ZMap is a fast stateless single packet network scanner designed for Internet wide surveys. It allows researchers to scan the entire public IPv4 address space in under 45 minutes using a standard gigabit Ethernet connection.

---
Source: [FOSSHunter — ZMap](https://www.fosshunter.com/tools/zmap) — cite `synced_at` and the catalog revision when quoting metrics.
Interpretation rules: https://www.fosshunter.com/llms-full.txt