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@zmap

The ZMap Project

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.

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  1. zmap zmap Public

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

    C 6.1k 960

  2. zgrab2 zgrab2 Public

    Fast Application Layer Scanner

    Go 2.1k 353

  3. zdns zdns Public

    Fast DNS Lookup Library and CLI Tool

    Go 1.1k 143

  4. zlint zlint Public

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

    Go 418 118

  5. zannotate zannotate Public

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

    Go 110 18

  6. zcrypto zcrypto Public

    Liberal Go TLS + X.509 Library for Research

    Go 153 96

Repositories

Showing 10 of 33 repositories
  • zgrab2 Public

    Fast Application Layer Scanner

    zmap/zgrab2’s past year of commit activity
    Go 2,065 353 23 9 Updated Feb 9, 2026
  • zcrypto Public

    Liberal Go TLS + X.509 Library for Research

    zmap/zcrypto’s past year of commit activity
    Go 153 96 33 6 Updated Feb 9, 2026
  • zlint Public

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

    zmap/zlint’s past year of commit activity
    Go 418 Apache-2.0 118 84 (11 issues need help) 5 Updated Feb 7, 2026
  • 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 110 Apache-2.0 18 7 1 Updated Feb 2, 2026
  • 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 1,319 0 1 Updated Jan 31, 2026
  • zdns Public

    Fast DNS Lookup Library and CLI Tool

    zmap/zdns’s past year of commit activity
    Go 1,090 Apache-2.0 143 5 (1 issue needs help) 0 Updated Jan 24, 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
  • zflags Public

    go command line option parser http://godoc.org/github.com/jessevdk/…

    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
    C 6,095 Apache-2.0 960 10 (2 issues need help) 0 Updated Nov 12, 2025
  • go-iptree Public

    GoLang IP Radix Tree

    zmap/go-iptree’s past year of commit activity
    Go 114 Apache-2.0 13 0 2 Updated Oct 2, 2025
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