These entries are queried from radb.net using whois, you can try my project getting these.
:AS140353 route6: 240e:44d:3540::/42 origin: AS140353 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #09:31:47Z 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:3640::/42 origin: AS140353 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #09:32:17Z 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:3740::/42 origin: AS140353 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #09:32:43Z 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:3840::/42 origin: AS140353 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #09:33:09Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source