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Code that will validate an IP address for correct format and give additional information about the type of IP address.
- ip
- ip address
- validate ip
- ip validator
- ip validate
- check ip
- ip check
- ip checker
- devops
- automate
- automation
- multicast
- bogon
- apipa
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Check if an IPv4 or IPv6 address is contained in the given CIDR subnet
Fast CIDR matcher. Given an input IPv4 address, it checks if it's inside a set of IP ranges, expressed in CIDR notation.
Anonymize IP addresses, works with IPv4 and IPv6
A faster & low-memory replacement for geoip-lite, a node library that maps IPs to geographical information
Check if an IPv4 or IPv6 address is contained in the given CIDR subnet
you can get random list proxy and updated hourly
Utility functions for dealing with network interfaces and IP addresses in Node.js
Abstraction for retrieving ip address information from a Node.js connection. Searches for proxy headers before degrading req.address
- address
- client ip
- fastly
- forwarded-for
- ip
- original ip
- parser
- real-ip
- ssl-terminator
- x-forwarded
- x-forwarded-for
- x-forwarded-proto
- x-real-ip
- z-forwarded-for
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Library of useful functions related to IP
Get current machine IP.
JavaScript class for calculating all possible subnets, subnet validity, ip range

A simple ARP util to map an IP address to a MAC address and vice versa.
Calculate optimal subnet masks for standard and non-standard IP ranges
IP address utilities for node.js, forked from `indutny/node-ip`.
Check an IP(v4 or v6) against a subnet.
Convert an 'address:port' string to an array [address:string, port:number]
URL, IP, email, and hashtag autolinking support for Interweave.
Get public IP address in React Native