The Hanunoo block spans U+1720–U+173F, 32 codepoints in Plane 0 (Basic Multilingual Plane). 23 are assigned in Unicode 16.0; the other 9 are reserved for future characters.
By script: Hanunoo (21), Common (2).
By general category: 18 other letters (Lo), 2 non-spacing marks (Mn), 2 other punctuation (Po), 1 spacing marks (Mc).
The first 23 arrived in Unicode 3.2 (2002).