These entries are queried from radb.net using whois, you can try my project getting these.
:AS137905 route: 103.114.146.0/23 origin: AS137905 descr: UIH Route Object for Customer (Mangkone Technology) mnt-by: MAINT-AS45796 changed: apinan_k [at] uih.co.th 20240129 # 1054Z source: RADB last-modified: 2024-01-29T10:54:42Z rpki-ov-state: valid route: 103.114.146.0/23 origin: AS137905 descr: Mangkone Technology Co. Ltd. Lao Airlines Building 7th Floor, Manthatourath Road Xiengyeun Village mnt-by: MAINT-REVO-LA last-modified: 2021-07-08T12:51:46Z source: APNIC rpki-ov-state: valid route: 103.114.146.0/24 descr: MK LAO origin: AS137905 mnt-by: MAINT-AS132280 changed: nakarin.j [at] symphony.net.th 20180612 #09:13:12Z source: RADB last-modified: 2023-11-13T15:53:46Z rpki-ov-state: valid route: 103.114.146.0/24 origin: AS137905 descr: Mangkone Technology Co. Ltd. T/2 ASEAN Road, Sidamduan Village mnt-by: MAINT-REVO-LA last-modified: 2018-09-11T07:23:17Z source: APNIC rpki-ov-state: valid route: 103.114.146.0/24 descr: Proxy-registered route object origin: AS137905 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 20210708 source: NTTCOM last-modified: 2021-07-08T20:48:29Z rpki-ov-state: valid route: 103.114.147.0/24 descr: MK LAO origin: AS137905 mnt-by: MAINT-AS132280 changed: nakarin.j [at] symphony.net.th 20180612 #09:13:56Z source: RADB last-modified: 2023-11-13T15:53:46Z rpki-ov-state: valid route: 103.114.147.0/24 descr: Proxy-registered route object origin: AS137905 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 20210708 source: NTTCOM last-modified: 2021-07-08T20:48:29Z rpki-ov-state: valid route: 103.114.147.0/24 origin: AS137905 descr: Mangkone Technology Co. Ltd. Lao Airlines Building 7th Floor, Manthatourath Road Xiengyeun Village mnt-by: MAINT-REVO-LA last-modified: 2019-08-07T03:55:42Z source: APNIC rpki-ov-state: valid route: 202.94.250.0/24 origin: AS137905 descr: UIH Route Object for Customer (Mangkone Technology) mnt-by: MAINT-AS45796 changed: apinan_k [at] uih.co.th 20230306 #04:20:42Z source: RADB last-modified: 2023-11-13T16:15:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source