These entries are queried from radb.net using whois, you can try my project getting these.
:AS56223 route: 58.137.33.0/24 descr: TSA-TH origin: AS56223 mnt-by: MAINT-AS4618 changed: nidchan [at] inet.co.th 20161013 #12:56:54Z source: RADB last-modified: 2023-11-13T15:49:54Z rpki-ov-state: valid route: 58.137.33.0/24 descr: Proxy-registered route object origin: AS56223 remarks: This is a HGC customer route-object remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found. remarks: remarks: Please contact radb [at] hutchcity.com if you have any remarks: questions regarding this object. notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20200624 source: NTTCOM rpki-ov-state: valid route: 58.137.62.0/24 descr: CMI IP Transit origin: AS56223 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: valid route: 58.137.62.0/24 descr: CSLoxinfo route object for Corporate Network origin: AS56223 mnt-by: MAINT-AS4750 changed: bgpadmin [at] csloxinfo.net 20110428 #02:30:57Z source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: valid route: 203.150.250.0/24 descr: CMI IP Transit origin: AS56223 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: valid route: 203.150.250.0/24 origin: AS56223 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: 2020-11-19T08:42:26Z source: APNIC rpki-ov-state: valid route: 203.150.250.0/24 descr: Thai Summit Autopart Industry Co.,Ltd origin: AS56223 notify: noc [at] inet.co.th mnt-by: MAINT-AS4618 changed: baimoung [at] inet.co.th 20110427 source: RADB last-modified: 2023-11-13T15:49:06Z rpki-ov-state: valid route: 203.151.111.0/24 descr: Thaisummit Autopart Industry CO.,LTD. origin: AS56223 mnt-by: MAINT-AS4750 changed: bgpadmin [at] csloxinfo.net 20161013 #08:59:34Z source: RADB last-modified: 2023-11-13T15:49:54Z rpki-ov-state: valid route: 203.151.111.0/24 origin: AS56223 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: 2020-11-19T08:42:31Z source: APNIC rpki-ov-state: valid