These entries are queried from radb.net using whois, you can try my project getting these.
:AS55760 route: 203.188.16.0/20 origin: AS55760 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2021-06-01T06:44:28Z source: APNIC rpki-ov-state: valid route: 203.188.16.0/20 origin: AS55760 descr: Route object for MUT (new ASN) mnt-by: MAINT-AS7693 changed: thitima_par [at] ksc.net 20201005 #02:53:00Z source: RADB last-modified: 2023-11-13T16:01:59Z rpki-ov-state: valid route: 203.188.16.0/21 origin: AS55760 descr: Route Object for MUT (new ASN) mnt-by: MAINT-AS7693 changed: thitima_par [at] ksc.net 20201005 #02:51:34Z source: RADB last-modified: 2023-11-13T16:01:59Z rpki-ov-state: valid route: 203.188.16.0/21 origin: AS55760 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2021-06-01T06:44:30Z source: APNIC rpki-ov-state: valid route: 203.188.24.0/21 origin: AS55760 descr: Route object for MUT (new ASN) mnt-by: MAINT-AS7693 changed: thitima_par [at] ksc.net 20201005 #02:53:41Z source: RADB last-modified: 2023-11-13T16:01:59Z rpki-ov-state: valid route: 203.188.24.0/21 origin: AS55760 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2021-06-01T06:44:32Z source: APNIC rpki-ov-state: valid route: 203.188.48.0/20 origin: AS55760 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2021-06-01T06:48:41Z source: APNIC rpki-ov-state: valid route: 203.188.48.0/20 origin: AS55760 descr: Route object for MUT (new ASN) mnt-by: MAINT-AS7693 changed: thitima_par [at] ksc.net 20201005 #03:24:22Z source: RADB last-modified: 2023-11-13T16:01:59Z rpki-ov-state: valid route: 203.188.48.0/21 origin: AS55760 descr: Route object for MUT (new ASN) mnt-by: MAINT-AS7693 changed: thitima_par [at] ksc.net 20201005 #02:54:25Z source: RADB last-modified: 2023-11-13T16:01:59Z rpki-ov-state: valid route: 203.188.48.0/21 origin: AS55760 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2021-06-01T06:48:42Z source: APNIC rpki-ov-state: valid route: 203.188.48.0/22 origin: AS55760 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2021-06-01T06:48:45Z source: APNIC rpki-ov-state: valid route: 203.188.52.0/22 origin: AS55760 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2021-06-01T06:48:46Z source: APNIC rpki-ov-state: valid route: 203.188.56.0/21 origin: AS55760 descr: Route object for MUT (new ASN) mnt-by: MAINT-AS7693 changed: thitima_par [at] ksc.net 20201005 #02:56:21Z source: RADB last-modified: 2023-11-13T16:01:59Z rpki-ov-state: valid route: 203.188.56.0/21 origin: AS55760 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2021-06-01T06:48:49Z source: APNIC rpki-ov-state: valid route: 203.188.56.0/22 origin: AS55760 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2021-06-01T06:48:54Z source: APNIC rpki-ov-state: valid route: 203.188.60.0/22 origin: AS55760 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2021-06-01T06:48:58Z source: APNIC rpki-ov-state: valid route: 203.209.48.0/21 origin: AS55760 descr: Route object for MUT (new ASN) mnt-by: MAINT-AS7693 changed: thitima_par [at] ksc.net 20201005 #03:00:59Z source: RADB last-modified: 2023-11-13T16:01:59Z rpki-ov-state: valid route: 203.209.48.0/21 origin: AS55760 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2021-06-03T09:17:59Z source: APNIC rpki-ov-state: valid route: 203.209.48.0/22 origin: AS55760 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2021-06-03T09:18:02Z source: APNIC rpki-ov-state: valid route: 203.209.48.0/22 origin: AS55760 descr: Route object for MUT (new ASN) mnt-by: MAINT-AS7693 changed: thitima_par [at] ksc.net 20201005 #02:59:28Z source: RADB last-modified: 2023-11-13T16:01:59Z rpki-ov-state: valid route: 203.209.52.0/22 origin: AS55760 descr: Route object for MUT (new ASN) mnt-by: MAINT-AS7693 changed: thitima_par [at] ksc.net 20201005 #03:02:06Z source: RADB last-modified: 2023-11-13T16:01:59Z rpki-ov-state: valid route: 203.209.52.0/22 origin: AS55760 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2021-06-03T09:18:06Z source: APNIC rpki-ov-state: valid