These entries are queried from radb.net using whois, you can try my project getting these.
:AS141370 route: 103.157.173.0/24 descr: CAT route object for Sky Telecom State Company origin: AS141370 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20210209 source: RADB last-modified: 2023-11-13T16:03:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.157.173.0/24 origin: AS141370 descr: CAMBODIAN TXT TELECOM CO., LTD. Hani Blvd, Sensok District, PHP Cambodia mnt-by: MAINT-CTTCL-KH last-modified: 2021-01-19T05:57:06Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.227.20.0/24 descr: CAT route object for Sky Telecom State Company origin: AS141370 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20210209 source: RADB last-modified: 2023-11-13T16:03:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df5:2880::/48 origin: AS141370 descr: CAMBODIAN TXT TELECOM CO., LTD. Hani Blvd, Sensok District, PHP Cambodia mnt-by: MAINT-CTTCL-KH last-modified: 2021-01-19T05:57:27Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df5:2880::/48 origin: AS141370 descr: Commrun mnt-by: MAINT-AS38082 changed: kaltheera_hom [at] trueintergateway.com 20210527 #09:44:43Z source: RADB last-modified: 2023-11-13T16:05:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source