These entries are queried from radb.net using whois, you can try my project getting these.
:AS133163 route: 103.253.117.0/24 descr: KSC Route Object for PP-Ontime origin: AS133163 mnt-by: MAINT-AS7693 changed: netadmin [at] ksc.net 20131211 #08:18:26Z source: RADB last-modified: 2023-11-13T15:45:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.253.117.0/24 descr: CMI IP Transit origin: AS133163 admin-c: MAINT-CMI-INT-HK tech-c: MAINT-CMI-INT-HK mnt-by: MAINT-CMI-INT-HK changed: qas_support [at] cmi.chinamobile.com 20160815 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.255.13.0/24 descr: KSC Route Object for PP-Ontime origin: AS133163 notify: netadmin [at] ksc.net mnt-by: MAINT-AS7693 changed: netadmin [at] ksc.net 20131219 #03:04:52Z source: RADB last-modified: 2023-11-13T15:45:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.255.13.0/24 descr: CMI IP Transit origin: AS133163 admin-c: MAINT-CMI-INT-HK tech-c: MAINT-CMI-INT-HK mnt-by: MAINT-CMI-INT-HK changed: qas_support [at] cmi.chinamobile.com 20160815 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.151.10.0/24 origin: AS133163 descr: Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang mnt-by: MAINT-TH-INET last-modified: 2020-11-19T08:18:59Z source: APNIC rpki-ov-state: valid route: 203.151.10.0/24 descr: PP ONTIME (Project RIS) origin: AS133163 mnt-by: MAINT-AS4750 changed: bgpadmin [at] csloxinfo.net 20140930 #09:39:34Z source: RADB last-modified: 2023-11-13T15:46:41Z rpki-ov-state: valid route: 203.151.11.0/24 descr: PP ONTIME (Project RIS) origin: AS133163 mnt-by: MAINT-AS4750 changed: bgpadmin [at] csloxinfo.net 20140930 #09:40:45Z source: RADB last-modified: 2023-11-13T15:46:41Z rpki-ov-state: valid route: 203.151.11.0/24 origin: AS133163 descr: Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang mnt-by: MAINT-TH-INET last-modified: 2020-11-19T08:19:01Z source: APNIC rpki-ov-state: valid