@toolsnap/ip-address-lookup

IP address validation and classification utility. Zero dependencies, pure JavaScript.

Install

npm install @toolsnap/ip-address-lookup

Usage

const { isValidIP, isPrivate, isIPv4, isIPv6, getIPClass } = require('@toolsnap/ip-address-lookup');

isValidIP('192.168.1.1');   // true
isIPv4('10.0.0.1');         // true
isIPv6('::1');              // true
isPrivate('192.168.1.1');   // true
getIPClass('10.0.0.1');     // 'A'

API

• isValidIP(ip) — Check if string is a valid IPv4 or IPv6 address
• isIPv4(ip) — Check if string is a valid IPv4 address
• isIPv6(ip) — Check if string is a valid IPv6 address
• isPrivate(ip) — Check if IPv4 address is in private range
• getIPClass(ip) — Get IP class (A/B/C/D/E) for IPv4

License

MIT © Rocky Luo

Try it online