const {getService, getPort} = require('port-numbers');

getService(6379);
// { name: 'redis', description: 'An advanced key-value cache and store' }
getService(26257);
// { name: 'cockroach', description: 'CockroachDB' }
getService(123, 'udp');
// { name: 'ntp', description: 'Network Time Protocol' }

getPort('redis');
// { port: 6379, protocol: 'tcp', description: 'An advanced key-value cache and store' }
getPort('cockroach');
// { port: 26257, protocol: 'tcp', description: 'CockroachDB' }
getPort('ntp', 'udp');
// { port: 123, protocol: 'udp', description: 'Network Time Protocol' }