[рони]

SpaceAlarm,

let getIP = `
17.11.2023 06:27:17 213.151.11.164
17.11.2023 08:19:56 213.151.20.77
17.11.2023 10:45:44 213.151.20.77`;
        let userIp = {};
        let uniqueArray = [];
        let arr = getIP.match(/\S+/gm);
        for (let i = 0; i < arr.length; i++) {
            let data = `${arr[i]} ${arr[++i]}`;
            let ip = arr[++i];
            if (ip in userIp) userIp[ip].date.push(data);
            else {
                let obj = {
                    ip,
                    date: [data]
                };
                userIp[ip] = obj;
                uniqueArray.push(obj)

            }
        }
        console.log(uniqueArray)