These entries are queried from radb.net using whois, you can try my project getting these.
:AS140899 route: 103.153.24.0/24 origin: AS140899 descr: ZL-IDC-SIN-W64084 mnt-by: MAINT-AS21859 changed: ipadmin [at] zenlayer.com 20220124 #13:18:08Z source: RADB last-modified: 2023-11-13T16:09:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.59.220.0/24 origin: AS140899 descr: Zenlayer (Singapore) PTE. LTD 67 Ubi Road 1, #10-02 Oxley Bizhub Singapore 408730 mnt-by: MAINT-ZEN-SG last-modified: 2024-04-12T04:09:49Z source: APNIC rpki-ov-state: valid route: 156.59.220.0/24 origin: AS140899 descr: ZL-IDC-SIN mnt-by: MAINT-AS21859 changed: ipadmin [at] zenlayer.com 20240412 # 0406Z source: RADB last-modified: 2024-04-12T04:06:04Z rpki-ov-state: valid route6: 2602:ffe4:408::/48 origin: AS140899 descr: ZL-IDC-SIN mnt-by: MAINT-AS21859 changed: ipadmin [at] zenlayer.com 20240412 # 0407Z source: RADB last-modified: 2024-04-12T04:07:06Z rpki-ov-state: valid