The Sundanese block spans U+1B80–U+1BBF, 64 codepoints in Plane 0 (Basic Multilingual Plane). Every one of them is assigned in Unicode 16.0.
All of its characters belong to the Sundanese script.
By general category: 38 other letters (Lo), 11 non-spacing marks (Mn), 10 decimal digits (Nd), 5 spacing marks (Mc).
The first 55 arrived in Unicode 5.1 (2008); later additions came in 6.1 (9).