{"id":43955160,"url":"https://github.com/ericlagergren/node-ipcalc","last_synced_at":"2026-02-07T04:32:58.392Z","repository":{"id":20610837,"uuid":"23891993","full_name":"ericlagergren/node-ipcalc","owner":"ericlagergren","description":"node-js implementation of *nix's ipcalc","archived":false,"fork":false,"pushed_at":"2014-09-23T07:44:07.000Z","size":4264,"stargazers_count":8,"open_issues_count":0,"forks_count":1,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-10-22T19:55:51.474Z","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":"gpl-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/ericlagergren.png","metadata":{"files":{"readme":"README.md","changelog":"CHANGELOG","contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2014-09-10T20:58:28.000Z","updated_at":"2023-05-15T13:53:41.000Z","dependencies_parsed_at":"2022-08-31T08:41:13.567Z","dependency_job_id":null,"html_url":"https://github.com/ericlagergren/node-ipcalc","commit_stats":null,"previous_names":["ericlagerg/node-ipcalc"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/ericlagergren/node-ipcalc","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ericlagergren%2Fnode-ipcalc","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ericlagergren%2Fnode-ipcalc/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ericlagergren%2Fnode-ipcalc/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ericlagergren%2Fnode-ipcalc/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/ericlagergren","download_url":"https://codeload.github.com/ericlagergren/node-ipcalc/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ericlagergren%2Fnode-ipcalc/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":29186738,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-02-07T03:35:06.566Z","status":"ssl_error","status_checked_at":"2026-02-07T03:34:57.604Z","response_time":63,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"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":"2026-02-07T04:32:57.465Z","updated_at":"2026-02-07T04:32:58.381Z","avatar_url":"https://github.com/ericlagergren.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"node-ipcalc\n===========\n[![Build Status](https://travis-ci.org/EricLagerg/node-ipcalc.svg)](https://travis-ci.org/EricLagerg/node-ipcalc)\n\n\u003ch2\u003eWhat is is:\u003c/h2\u003e\n\u003cp\u003enode-ipcalc (ipcalc) is a node.js implementation of the popular *nix package ipcalc.\u003c/p\u003e\n\n\u003ch2\u003eUsage:\u003c/h2\u003e\n```shell\nusage: node ipcalc [-h] [-n | --host] \u003cIPv4 Address\u003e[[/]prefix] [netmask] [hosts OPT]\n```\n\n\u003ch2\u003eExample:\u003c/h2\u003e\n```shell\neric@crunchbang ~/github-repos/node-ipcalc $ node ipcalc.js 192.168.1.1/24\nIPv4 address entered\n--------------------\n\nAddress:                - 192.168.1.1\nAddress (hex):          - 0xC0A80101\nAddress (decimal):      - 3232235777\nNetmask:                - 255.255.255.0 = 24\nNetmask (hex):          - 0xFFFFFF00\nNetmask (decimal):      - 4294967040\nWildcard:               - 0.0.0.255\nClass:                  - Class C\nNetwork:                - 192.168.1.0\nNetMin:                 - 192.168.1.1\nNetMax:                 - 192.168.1.254\nBroadcast:              - 192.168.1.255\nSubnets:                - 256\nHosts/Net:              - 254\n\n-\neric@crunchbang ~/github-repos/node-ipcalc $ node ipcalc.js 192.168.1.1 255.255.255.0\nIPv4 address entered\n--------------------\n\nAddress:                - 192.168.1.1\nAddress (hex):          - 0xC0A80101\nAddress (decimal):      - 3232235777\nNetmask:                - 255.255.255.0 = 24\nNetmask (hex):          - 0xFFFFFF00\nNetmask (decimal):      - 4294967040\nWildcard:               - 0.0.0.255\nClass:                  - Class C\nNetwork:                - 192.168.1.0\nNetMin:                 - 192.168.1.1\nNetMax:                 - 192.168.1.254\nBroadcast:              - 192.168.1.255\nSubnets:                - 256\nHosts/Net:              - 254\n\n-\neric@crunchbang ~/github-repos/node-ipcalc $ node ipcalc.js -n 192.168.1.1 250\nIPv4 address entered\n--------------------\n\nAddress:                - 192.168.1.1\nAddress (hex):          - 0xC0A80101\nAddress (decimal):      - 3232235777\nNetmask:                - 255.255.255.0 = 24\nNetmask (hex):          - 0xFFFFFF00\nNetmask (decimal):      - 4294967040\nWildcard:               - 0.0.0.255\nClass:                  - Class C\nNetwork:                - 192.168.1.0\nNetMin:                 - 192.168.1.1\nNetMax:                 - 192.168.1.254\nBroadcast:              - 192.168.1.255\nSubnets:                - 256\nHosts/Net:              - 254\n\n-\n\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fericlagergren%2Fnode-ipcalc","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fericlagergren%2Fnode-ipcalc","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fericlagergren%2Fnode-ipcalc/lists"}