{"id":25067672,"url":"https://github.com/herrfugbaum/netcalc","last_synced_at":"2025-10-29T02:49:57.677Z","repository":{"id":82752138,"uuid":"40189701","full_name":"herrfugbaum/netcalc","owner":"herrfugbaum","description":"Dependecy free module for various IPv4 calculations \u0026 conversions.","archived":false,"fork":false,"pushed_at":"2015-08-06T14:22:16.000Z","size":116,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-02-06T20:58:13.063Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/herrfugbaum.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2015-08-04T14:30:42.000Z","updated_at":"2015-08-06T12:50:20.000Z","dependencies_parsed_at":"2023-02-25T16:15:50.840Z","dependency_job_id":null,"html_url":"https://github.com/herrfugbaum/netcalc","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/herrfugbaum%2Fnetcalc","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/herrfugbaum%2Fnetcalc/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/herrfugbaum%2Fnetcalc/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/herrfugbaum%2Fnetcalc/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/herrfugbaum","download_url":"https://codeload.github.com/herrfugbaum/netcalc/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":246485703,"owners_count":20785381,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2025-02-06T20:58:23.454Z","updated_at":"2025-10-29T02:49:52.640Z","avatar_url":"https://github.com/herrfugbaum.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"[![Dependency Status](https://david-dm.org/slamcode/netcalc.svg)](https://david-dm.org/slamcode/netcalc)\n\n\u003c!-- START doctoc generated TOC please keep comment here to allow auto update --\u003e\n\u003c!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE --\u003e\n**Table of Contents**\n\n- [How to use](#how-to-use)\n  - [Installation](#installation)\n  - [In your node.js application](#in-your-nodejs-application)\n    - [IPv4 To Binary Representation](#ipv4-to-binary-representation)\n    - [CIDR Notation To Binary Representation](#cidr-notation-to-binary-representation)\n    - [Binary Netmask To Dezimal Netmask](#binary-netmask-to-dezimal-netmask)\n    - [IPv4 Min (Network) And Max (Broadcast) Range](#ipv4-min-network-and-max-broadcast-range)\n    - [IPv4 Adresses Between and Including Min And Max Adresses](#ipv4-adresses-between-and-including-min-and-max-adresses)\n    - [IPv4 Adress into Dezimal Octets](#ipv4-adress-into-dezimal-octets)\n\n\u003c!-- END doctoc generated TOC please keep comment here to allow auto update --\u003e\n\n\n## How to use\n\n### Installation\n\n```\nnpm install netcalc\n```\n\n### In your node.js application\n\n```\nvar netcalc = require('netcalc')\n```\n\n#### IPv4 To Binary Representation\n\n```\nvar ipv4BinaryString = netcalc.ip4ToBinary('192.168.150.1', 'string')\n// --\u003e '1100000010101000100101101'\n\nvar ipv4BinaryArray = netcalc.ip4ToBinary('192.168.150.1', '')\n// --\u003e ['11000000', '10101000', '100101101']\n```\n\n#### CIDR Notation To Binary Representation\n\n```\nvar cidrBinaryBitmaskString = netcalc.cidrToBinaryBitmask(24, 'string')\n// --\u003e '1111111111111111111111110'\n\nvar cidrBinaryBitmaskArray = netcalc.cidrToBinaryBitmask(24, '')\n// --\u003e ['11111111', '11111111', '11111111', '0']\n```\n\n#### Binary Netmask To Dezimal Netmask\n\n```\nvar dezimalNetmask = netcalc.binaryBitmaskToNetmask(['11111111', '11111111', '11111111', '0'], '')\n// --\u003e ['255', '255', '255', '0']\n\nvar hostpart = netcalc.binaryBitmaskToNetmask(['11111111', '11111111', '11111111', '0'], 'reversed')\n// --\u003e ['0', '0', '0', '255']\n```\n\n#### IPv4 Min (Network) And Max (Broadcast) Range\n\n```\nvar ip4Range = netcalc.calculateIp4Range('192.168.150.55', 24)\n// --\u003e ['192.168.150.0', '192.168.150.255']\n```\n\n#### IPv4 Adresses Between and Including Min And Max Adresses\n\n```\nvar ip4InnerRange = netcalc.getIp4InnerRange(['192.168.150.0', '192.168.150.255'])\n// --\u003e ['192.168.150.0', '192.168.150.1', '192.168.150.2', ... ,'192.168.150.254', '192.168.150.255']\n```\n\n#### IPv4 Adress into Dezimal Octets\n\n```\nvar ip4DezimalOctets = netcalc.ip4Octets('192.168.150.1')\n// --\u003e ['192', '168', '150', '1']\n```","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fherrfugbaum%2Fnetcalc","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fherrfugbaum%2Fnetcalc","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fherrfugbaum%2Fnetcalc/lists"}