Network.GetLastPing

説明

プレイヤーの最後に返された ping の時間（ミリ秒）

If the player can't be found -1 will be returned. Pings are automatically sent out every couple of seconds.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void OnGUI() {
        GUILayout.Label("Player ping values");
        int i = 0;
        while (i < Network.connections.Length) {
            GUILayout.Label("Player " + Network.connections[i] + " - " + Network.GetLastPing(Network.connections[i]) + " ms");
            i++;
        }
    }
}