These entries are queried from radb.net using whois, you can try my project getting these.
:AS9715 route: 210.246.144.0/24 origin: AS9715 descr: Samart Infonet Co., Ltd. 99 / 7 Moo 4 29th Flr Software Park Building, Chaengwattana Rd Klong Gluar mnt-by: MAINT-SAMART-TH last-modified: 2024-02-04T10:50:20Z source: APNIC rpki-ov-state: valid route: 210.246.144.0/24 origin: AS9715 descr: SAMART Corp [Excise-Direct Coding Data Center], Thailand mnt-by: MAINT-SAMART-TH changed: manasri [at] samartinfonet.co.th 20200916 #11:19:48Z source: RADB last-modified: 2023-11-13T16:01:50Z rpki-ov-state: valid route: 210.246.145.0/24 origin: AS9715 descr: Samart Infonet Co., Ltd. 99 / 7 Moo 4 29th Flr Software Park Building, Chaengwattana Rd Klong Gluar mnt-by: MAINT-SAMART-TH last-modified: 2024-02-04T10:50:21Z source: APNIC rpki-ov-state: valid route: 210.246.145.0/24 origin: AS9715 descr: SAMART Corp [Excise-Direct Coding Data Center], Thailand mnt-by: MAINT-SAMART-TH changed: manasri [at] samartinfonet.co.th 20200916 #11:21:57Z source: RADB last-modified: 2023-11-13T16:01:50Z rpki-ov-state: valid