These entries are queried from radb.net using whois, you can try my project getting these.
:AS139044 route: 103.138.225.0/24 origin: AS139044 descr: proxy-registered for HUIONE-KH mnt-by: MAINT-AS55329 changed: noc [at] telcotech.com.kh 20190531 #10:27:03Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.138.225.0/24 descr: HUIONE PAY PLC. origin: AS139044 mnt-by: MAINT-HUIONEPAYPLC-KH last-modified: 2019-05-30T04:35:29Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df0:5880::/48 origin: AS139044 descr: Customer Mekongnet. mnt-by: MAINT-AS38082 changed: netadmin [at] trueintergateway.com 20190605 #03:28:39Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source