@catho/request-public-ip/dist/esm/is-public-ip.mjs

Node.js module for retrieving a request's public IP address

import privateIp from 'private-ip';
import ipRegex from 'ip-regex';
import ipaddr from 'ipaddr.js';

function isPublicIp(ip) {
    return isIp(ip) && !privateIp(ip);
}
function isIp(str) {
    if (!ipaddr.isValid(str)) {
        return false;
    }
    const kind = ipaddr.parse(str).kind();
    return kind === "ipv4" ? ipRegex.v4().test(str) : ipRegex.v6().test(str);
}

export { isIp, isPublicIp };