These entries are queried from radb.net using whois, you can try my project getting these.
:AS140357 route6: 240e:44d:4a40::/42 origin: AS140357 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #10:06:56Z 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:4b40::/42 origin: AS140357 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #10:07:24Z 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:4c40::/42 origin: AS140357 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #10:08:01Z 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:4d40::/42 origin: AS140357 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220118 #06:30:41Z source: RADB last-modified: 2023-11-13T16:09:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source