Here are the general ranges for each of the breakpoints within Divi:

Large Desktop: 1405px and above
Standard Desktop: between 1100px and 1405px
Laptops and Large Tablets: between 980px and 1100px
Tablets: between 768px and 980px
Smartphones and small Tablets: between 320px and 768px;
Smartphones: between 320px and 480px;