ipaddr.js
A library for manipulating IPv4 and IPv6 addresses in JavaScript.
ip-address
A library for parsing IPv4 and IPv6 IP addresses in node and the browser.
ip-regex
Regular expression for matching IP addresses (IPv4 & IPv6)
basic-ftp
FTP client for Node.js, supports FTPS over TLS, IPv6, Async/Await, and Typescript.