# Ultimate-Hosts-Blacklist/Ultimate.Hosts.Blacklist

The Ultimate Unified Hosts file for protecting your network, computer, smartphones and Wi-Fi devices against millions of bad web sites. Protect your children and family from gaining access to bad web sites and protect your devices and pc from being infected with Malware or Ransomware.

Repository: https://github.com/Ultimate-Hosts-Blacklist/Ultimate.Hosts.Blacklist
Canonical: https://ross.abutalabs.com/products/ultimatehostsblacklist
Language: Shell
License: MIT
License Family: permissive
Topics: hosts, hostsfile, child-protection, pc-protection, malware, porn, ransomware, violence, drugs, alcohol, blocker, block-sites, safe-browsing, petya, adware, ad-blocker, hosts-deny, clickjacking, ultimate-hosts, family
Last push: 2026-08-25T20:27:12+00:00

## Health v2 (maintenance only)
Score: 77/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 35, longevity 100
- inputs: {"age_days": 3326, "days_push": 8, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1605, forks 173 (observed 2026-08-28T04:05:10.321848+00:00)

## What it is
A large, daily-updated unified hosts file aggregating hundreds of thousands of malicious and unwanted domains, plus hosts.deny and superhosts.deny variants. It blocks malware, ransomware, ads, and adult or harmful content across nearly any operating system or device.

## Use cases
- block malware and ransomware domains on my computer
- unified hosts file for ad blocking
- parental control blocklist for porn and harmful sites
- protect my whole network from bad websites
- block malicious domains on router or pi-hole
- safe browsing blocklist for family devices

## When to choose
- you want a single, regularly updated, aggregated blocklist covering malware, ads, and adult content
- you need hosts-file-based blocking that works across OSes without extra software
- you want large coverage with hosts.deny and superhosts.deny variants

## When to avoid
- you need per-user or per-app granular filtering rather than domain-level blocking
- you prefer a DNS server with dynamic filtering and logging instead of a static hosts file
- you cannot tolerate occasional false positives from aggressive aggregation

## Facets
- artifact type: dataset
- maturity: active
- function: security, privacy, networking
- domain: security, privacy, self-hosted, networking
- platform: windows, cross-platform, self-hosted
- tags: hosts-file, ad-blocking, malware-blocking, parental-controls, dns-blocking, safe-browsing, curated-blocklist, linux, macos, android, ios

## Member repositories
- Ultimate-Hosts-Blacklist/Ultimate.Hosts.Blacklist (main) score 77

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:10.321848+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T03:52:15.968553+00:00, confidence not recorded.
  - readme: https://github.com/Ultimate-Hosts-Blacklist/Ultimate.Hosts.Blacklist (fetched 2026-08-28T04:05:10.321848+00:00, sha 0ab9df9915b3)
- Data as of 2026-08-30T08:39:29.467469+00:00.