These entries are queried from radb.net using whois, you can try my project getting these.
:AS140350 route6: 240e:44d:5740::/42 origin: AS140350 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #10:11:53Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 240e:44d:5840::/42 origin: AS140350 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #10:12:20Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 240e:44d:5940::/42 origin: AS140350 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #10:12:44Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 240e:44d:5a40::/42 origin: AS140350 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #10:13:37Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source