These entries are queried from radb.net using whois, you can try my project getting these.
:AS40723 route: 143.60.0.0/17 descr: uploaded by 26479 on behalf of 40723 origin: AS40723 mnt-by: MAINT-AS26479 changed: noc [at] sunsetcom.net 20130524 #19:50:01Z source: RADB last-modified: 2023-11-13T15:45:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.60.128.0/18 descr: uploaded by 26479 on behalf of 40723 origin: AS40723 mnt-by: MAINT-AS26479 changed: noc [at] sunsetcom.net 20130524 #19:50:01Z source: RADB last-modified: 2023-11-13T15:45:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.60.192.0/19 descr: uploaded by 26479 on behalf of 40723 origin: AS40723 mnt-by: MAINT-AS26479 changed: noc [at] sunsetcom.net 20130524 #19:50:01Z source: RADB last-modified: 2023-11-13T15:45:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.60.224.0/21 descr: uploaded by 26479 on behalf of 40723 origin: AS40723 mnt-by: MAINT-AS26479 changed: noc [at] sunsetcom.net 20130524 #19:50:01Z source: RADB last-modified: 2023-11-13T15:45:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.60.248.0/21 descr: uploaded by 26479 on behalf of 40723 origin: AS40723 mnt-by: MAINT-AS26479 changed: noc [at] sunsetcom.net 20130524 #19:50:01Z source: RADB last-modified: 2023-11-13T15:45:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source