These entries are queried from radb.net using whois, you can try my project getting these.
:AS140349 route6: 240e:44d:2b40::/42 origin: AS140349 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #09:11:49Z 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:2c40::/42 origin: AS140349 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #09:12:15Z 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:2d40::/42 origin: AS140349 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #09:12:40Z 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:2e40::/42 origin: AS140349 descr: CHINANET/163 Yunnan Province network mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220114 #09:13:07Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source