Home Original page

The ZMap Project

Skip to content

Navigation Menu

Sign in

Appearance settings

@zmap

The ZMap Project is a collection of open source tools for performing large-scale studies of the hosts and services that compose the public Internet.

  • Verified

    We've verified that the organization zmap controls the domain:

    • zmap.io

Pinned Loading

  1. ZMap is a fast single packet network scanner designed for Internet-wide network surveys.

    C 6.1k 963

  2. Fast Application Layer Scanner

    Go 2.1k 361

  3. Fast DNS Lookup Library and CLI Tool

    Go 1.1k 143

  4. X.509 Certificate Linter focused on Web PKI standards and requirements.

    Go 428 119

  5. Utility for annotating Internet datasets with contextual metadata (e.g., origin AS, MaxMind GeoIP2, reverse DNS, and WHOIS)

    Go 112 20

  6. Liberal Go TLS + X.509 Library for Research

    Go 154 96

Repositories

Type
Select type

Language
Select language

Sort
Select order

Showing 10 of 33 repositories

  • zgrab2 Public

    Fast Application Layer Scanner

    zmap/zgrab2’s past year of commit activity

  • zcrypto Public

    Liberal Go TLS + X.509 Library for Research

    zmap/zcrypto’s past year of commit activity

  • zdns Public

    Fast DNS Lookup Library and CLI Tool

    zmap/zdns’s past year of commit activity

  • zannotate Public

    Utility for annotating Internet datasets with contextual metadata (e.g., origin AS, MaxMind GeoIP2, reverse DNS, and WHOIS)

    zmap/zannotate’s past year of commit activity

    Go

    112

    Apache-2.0

    20 8 5

    Updated Mar 26, 2026

  • zlint Public

    X.509 Certificate Linter focused on Web PKI standards and requirements.

    zmap/zlint’s past year of commit activity

  • dns Public Forked from miekg/dns

    Forked Version of Miekg's DNS library that recycles UDP sockets

    zmap/dns’s past year of commit activity

    Go

    11

    BSD-3-Clause

    1,322 0 1

    Updated Jan 31, 2026

  • pybulkwhois Public

    Python framework for manipulating bulk WHOIS data from RIRs

    zmap/pybulkwhois’s past year of commit activity

    Python

    22 3 1 1

    Updated Jan 8, 2026

  • zmap/zflags’s past year of commit activity

    Go

    6

    BSD-3-Clause

    4 3 0

    Updated Nov 26, 2025

  • zmap Public

    ZMap is a fast single packet network scanner designed for Internet-wide network surveys.

    zmap/zmap’s past year of commit activity

  • zmap/go-iptree’s past year of commit activity

    Go

    114

    Apache-2.0

    13 0 2

    Updated Oct 2, 2025

Most used topics