Package
is-cidr
Check if a string is an IP address in CIDR notation
Key numbers
As of 25 Sept 2026
- Weekly downloads
- 680.9k
- -1% over 12 months
- Gzip bundle size
- -
- No Bundlephobia data
- Dependencies
- 1
- Direct, from package.json
- Last release
- 1 month ago
- v7.0.1
- GitHub stars
- 37
- 6 forks
- Open issues / PRs
- 0 / 0
- Contributors
- -
- Commits, last 52 weeks
- 56
Downloads
Last week 2026-09-15 to 2026-09-21
680,926 downloads last week, 3,524,760 in the last month. The 12-month change of -1% compares the average of the last 4 weeks with the first 4 weeks of the series.
- Releases, last 12 months
- 530 in total
- Latest version
- 7.0.1, 28 Jul 20261 month ago
- First published
- 25 Mar 2016
- Last push to GitHub
- 19 Sept 20266 days before the snapshot
- Repository archived
- No
- Open issues
- 0
- Open pull requests
- 0
- Commits, last 52 weeks
- 56
- Dependents on npm
- -
Major versions
- v7 first release 7.0.0, 7 May 2026
- v6 first release 6.0.0, 1 Aug 2025
- v5 first release 5.0.0, 16 Sept 2022
- v4 first release 4.0.0, 13 May 2020
- v3 first release 3.0.0, 14 Oct 2018
- v2 first release 2.0.0, 18 Dec 2017
- v1 first release 1.0.0, 25 Mar 2016
Recent releases
| Version | Published |
|---|---|
| 7.0.1 | 28 Jul 2026 |
| 7.0.0 | 7 May 2026 |
| 6.0.4 | 21 Apr 2026 |
| 6.0.3 | 9 Feb 2026 |
| 6.0.2 | 24 Jan 2026 |
| 6.0.1 | 23 Sept 2025 |
| 6.0.0 | 1 Aug 2025 |
| 5.1.1 | 14 Feb 2025 |
| 5.1.0 | 23 May 2024 |
| 5.0.5 | 9 Apr 2024 |
| 5.0.4 | 8 Apr 2024 |
| 5.0.3 | 30 Mar 2023 |
| 5.0.2 | 20 Sept 2022 |
| 5.0.1 | 19 Sept 2022 |
- Module format
- ESM onlyFrom package.json type, main and exports fields
- TypeScript types
- Bundled
- Node.js engine range
- >=22
- Runtimes
- -
- Unpacked size (npm)
- 4.8 kB
- Dependencies (1)
cidr-regex
npm install is-cidr- jsDelivr
https://cdn.jsdelivr.net/npm/is-cidr@7.0.1/ - unpkg
https://unpkg.com/is-cidr@7.0.1/ - esm.sh
https://esm.sh/is-cidr@7.0.1
Indexability: Indexed.