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ip-cidr
Advanced tools
Readme
npm install ip-cidr
Module for working with CIDR (v4, v6). Based on ip-address. Since v4+ using javascript BigInt for big numbers handling.
const IPCIDR = require("ip-cidr");
const address = "50.165.190.0/23";
if(!IPCIDR.isValidCIDR(address)) {
return;
}
const cidr = new IPCIDR(address);
// get start ip address as a string
cidr.start();
// get end ip address as a big integer
cidr.end({ type: "bigInteger" });
// do something with each element of the range
cidr.loop(ip => console.log(ip), { type: "addressObject" });
// get an array of all ip addresses in the range as a big integer;
cidr.toArray({ type: "bigInteger" });
// get an array by chunks using from/limit
cidr.toArray({ from: 1, limit: 2n });
// get an array by chunks using from/to
cidr.toArray({ from: BigInt('1'), to: 3 });
cidr.toArray({ from: '50.165.190.1', to: '50.165.190.3' });
// get an array of start and end ip addresses as a string [startIpAsString, endIpAsString]
cidr.toRange();
Load /dist/ip-cidr.js as a script and you can get the library in window.IPCIDR
to return an "ip-address" module object in the necessary format
to check the address is valid or not (ip or cidr)
to check the address is valid (only cidr)
to create an object address from the string
to check the address belongs to the range
to get the start ip address
to get the end ip address
to convert the cidr to a string like "50.165.190.0/23"
to convert the cidr to an array with start and end ip addresses [startIp, endIp]
to convert the cidr to an object with start and end ip addresses {start: startIp, end: endIp}
to convert the cidr to an array with all ip addresses in the range
you can get information by chunks using options.from/options.limit or options.from/options.to
you can pass the second argument "results" (object) to get all chunk pagination information
to run fn for each element of the range
you can use the same chunk options as in .toArray()
FAQs
Module for working with CIDR (v4, v6)
The npm package ip-cidr receives a total of 74,293 weekly downloads. As such, ip-cidr popularity was classified as popular.
We found that ip-cidr demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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