These entries are queried from radb.net using whois, you can try my project getting these.
:AS137826 route: 103.115.23.0/24 descr: CAT route object for MYANMA POSTS AND TELECOMMUNICATIONS origin: AS137826 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20181218 source: RADB last-modified: 2023-11-13T15:55:22Z rpki-ov-state: valid route: 103.115.23.0/24 origin: AS137826 descr: AST SYSTEM TECHNOLOGY COMPANY LIMITED 3/59 LWON KYAING, PAR SAT, TACHILEIK, MYANMAR. mnt-by: MAINT-ASTCL-MM last-modified: 2021-03-19T09:01:08Z source: APNIC rpki-ov-state: valid route: 103.139.194.0/24 descr: CAT route object for International gateway co., Ltd origin: AS137826 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20200601 source: RADB last-modified: 2023-11-13T16:00:42Z rpki-ov-state: valid route: 103.139.194.0/24 origin: AS137826 descr: AST SYSTEM TECHNOLOGY COMPANY LIMITED 3/59 LWON KYAING, PAR SAT, TACHILEIK, MYANMAR. mnt-by: MAINT-ASTCL-MM last-modified: 2019-07-05T04:31:23Z source: APNIC rpki-ov-state: valid route: 103.139.194.0/24 descr: CMI IP Transit origin: AS137826 mnt-by: MAINT-CMI-INT-HK changed: qas_support [at] cmi.chinamobile.com 20200622 source: NTTCOM rpki-ov-state: valid route6: 2001:df5:1b00::/48 origin: AS137826 descr: AST SYSTEM TECHNOLOGY COMPANY LIMITED 3/59 LWON KYAING, PAR SAT, TACHILEIK, MYANMAR. mnt-by: MAINT-ASTCL-MM last-modified: 2022-03-18T09:57:05Z source: APNIC rpki-ov-state: valid