These entries are queried from radb.net using whois, you can try my project getting these.
:AS18423 route: 61.56.112.0/20 descr: Proxy Announcement origin: AS18423 remarks: Transit via AS9924 notify: tac_tfn [at] twfn.com.tw mnt-by: MAINT-AS9924 changed: linghao_chen [at] twfn.com.tw 20060124 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.186.142.0/23 origin: AS18423 descr: RAID Networks Co., Ltd. mnt-by: MAINT-AS140096 changed: akw [at] betaidc.com 20230422 #09:49:13Z source: RADB last-modified: 2023-12-19T19:59:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2406:9040::/32 origin: AS18423 descr: Proxy-registered route object on behalf of RAID Networks Co., Ltd. mnt-by: MAINT-AS140096 changed: akw [at] betaidc.com 20221109 #19:22:16Z source: RADB last-modified: 2023-12-19T19:59:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source