These entries are queried from radb.net using whois, you can try my project getting these.
:AS63834 route: 103.40.208.0/22 origin: AS63834 descr: PrimeXM Networks (Singapore) PTE. LTD 50 Gambas Crescent mnt-by: MAINT-PNPL-SG last-modified: 2023-03-31T06:05:20Z source: APNIC rpki-ov-state: valid route: 103.40.208.0/24 origin: AS63834 descr: PrimeXM Networks (Singapore) PTE. LTD 50 Gambas Crescent mnt-by: MAINT-PNPL-SG last-modified: 2023-03-31T06:07:06Z source: APNIC rpki-ov-state: valid route: 103.40.209.0/24 origin: AS63834 descr: PrimeXM Networks (Singapore) PTE. LTD 50 Gambas Crescent mnt-by: MAINT-PNPL-SG last-modified: 2023-03-31T06:07:07Z source: APNIC rpki-ov-state: valid