These entries are queried from radb.net using whois, you can try my project getting these.
:AS146998 route: 121.46.65.0/24 origin: AS146998 descr: Gerrys Information Technology (PVT) Ltd 3rd Floor,Central Hotel Building, Mereweather Road mnt-by: MAINT-PK-GERRYS last-modified: 2022-04-01T10:03:16Z source: APNIC rpki-ov-state: valid