cidr-matcher

Fast CIDR matcher. Given an input IPv4 address, it checks if it's inside a set of IP ranges, expressed in CIDR notation.

v2.1.1 URL: https://unpkg.com/cidr-matcher@2.1.1/index.js

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ip address cidr network class subnet

ip-sub

A set of utilities for IP/prefix validation and subnet matching.

v1.7.1 URL: https://unpkg.com/ip-sub@1.7.1/ipUtils.js

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ip prefix validation subnet netmask

ipaddr.js

A library for manipulating IPv4 and IPv6 addresses in JavaScript.

v2.2.0 URL: https://unpkg.com/ipaddr.js@2.2.0/lib/ipaddr.js

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express-rate-limit

Basic IP rate-limiting middleware for Express. Use to limit repeated requests to public APIs and/or endpoints such as password reset.

v8.0.1 URL: https://unpkg.com/express-rate-limit@8.0.1/dist/index.cjs

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proxy-addr

Determine address of proxied request

v2.0.7 URL: https://unpkg.com/proxy-addr@2.0.7/index.js

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ip proxy x-forwarded-for