Ziperto is a known repository for Switch NSP/XCI files.
Identifies this as the first part of a multi-part RAR archive hosted by Ziperto. Key Information & Usage Notes NINO-KNIRK-PE-NSwTcH-[BASE]-NSP-Ziperto.part1.rar
The file format (Nintendo Submission Package) used for installing games on modified consoles or emulators. Ziperto is a known repository for Switch NSP/XCI files