AssetDatabase.GetAllAssetBundleNames

Returns

string[] Array of asset bundle names.

Description

Return all the AssetBundle names in the asset database.

using UnityEditor;
using UnityEngine;

public class GetAssetBundleNames
{
    [MenuItem("Assets/Get Asset Bundle names")]
    static void GetNames()
    {
        var names = AssetDatabase.GetAllAssetBundleNames();
        foreach (string name in names)
            Debug.Log("Asset Bundle: " + name);
    }
}