Some interest. A stronger README and CI would help.
Check if an IP is a VPN or datacenter. Based mainly on daily-updated public VPN/datacenter IP lists. Free, open source, no API subscriptions required 😌 (at the cost of accuracy 😳)
Documentation
58
No CONTRIBUTING.md found (−47 pts base + up to −53 pts more for content).
→ Add a CONTRIBUTING.md telling newcomers how to get involved. Include setup, code style, test, and PR instructions.
No install instructions found in the README (−45 pts).
→ Add a section showing how to install dependencies.
README is present.
Licensed under MIT.
Engineering
11
No tests detected anywhere in the repository.
→ Add automated tests. They prove the code works and give contributors confidence to make changes.
No linter or formatter config found.
→ Add a linter config such as .eslintrc.json, .prettierrc, ruff.toml, or .golangci.yml to enforce consistent code style.
No dependency lockfile found (−70 pts).
→ Commit package-lock.json, pnpm-lock.yaml, yarn.lock, or bun.lock so Node installs are repeatable.
No issue or PR templates found (−100 pts).
→ Add .github/ISSUE_TEMPLATE/ with bug_report.md and feature_request.md to guide contributors. It dramatically improves issue quality.
CI is configured (.github/workflows/update_list.yml).
Project health
59
No dependency manifest detected at root.
→ Add a manifest (package.json, pyproject.toml, Cargo.toml, go.mod, etc.) so others can install dependencies in one command.
No .gitignore found (−60 pts).
→ Add a .gitignore to keep build output, node_modules, and secrets out of version control.
Repository has a description.
Actively maintained (pushed within the last month).
Repository files6 root entries
- .githubGood: CI is configured (.github/workflows/update_list.yml).
- LICENSEGood: Licensed under MIT.
- mod.js
- README.mdGood: README is present.Good: README is well structured with multiple sections.Issue: No screenshots or images in the README (−20 pts).Fix: Add a GIF, screenshot, or logo image. It is the fastest way to show what your project does.Good: README has code examples.Good: README links to a live demo or deployed app.Issue: No status badges in the README (−10 pts).Fix: Add CI/build status badges from shields.io or your CI provider to signal project health.Issue: No install instructions found in the README (−45 pts).Fix: Add a section showing how to install dependencies.Good: README documents how to run the project.
- vpn-or-datacenter-ipv4-ranges.txt
- vpn-or-datacenter-ipv6-ranges.txt