These entries are queried from radb.net using whois, you can try my project getting these.
:AS140277 route6: 240e:187:41b8::/48 origin: AS140277 descr: Description ChinaNet sichuan meishan MAN blocks mnt-by: MAINT-AS38283 changed: 18081126714 [at] 189.cn 20240418 # 0840Z source: RADB last-modified: 2024-04-18T08:40:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 240e:188:e6c::/48 origin: AS140277 descr: Description ChinaNet sichuan meishan MAN blocks mnt-by: MAINT-AS38283 changed: 18081126714 [at] 189.cn 20240418 # 0838Z source: RADB last-modified: 2024-04-18T08:38:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 240e:188:e6d::/48 origin: AS140277 descr: Description ChinaNet meishan luzhou MAN blocks mnt-by: MAINT-AS38283 changed: 18081126714 [at] 189.cn 20240418 # 0840Z source: RADB last-modified: 2024-04-18T08:40:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 240e:188:e6e::/48 origin: AS140277 descr: Description ChinaNet sichuan meishan MAN blocks mnt-by: MAINT-AS38283 changed: 15390050930 [at] 189.cn 20230216 #01:45:31Z source: RADB last-modified: 2023-11-13T16:14:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 240e:188:e6f::/48 origin: AS140277 descr: Description ChinaNet sichuan meishan MAN blocks mnt-by: MAINT-AS38283 changed: 15390050930 [at] 189.cn 20230216 #01:47:01Z source: RADB last-modified: 2023-11-13T16:14:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 240e:188:1e6c::/48 origin: AS140277 descr: Description ChinaNet sichuan meishan MAN blocks mnt-by: MAINT-AS38283 changed: 18081126714 [at] 189.cn 20240418 # 0839Z source: RADB last-modified: 2024-04-18T08:39:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 240e:188:1e6d::/48 origin: AS140277 descr: Description ChinaNet sichuan meishan MAN blocks mnt-by: MAINT-AS38283 changed: 15390050930 [at] 189.cn 20230216 #01:48:02Z source: RADB last-modified: 2023-11-13T16:14:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 240e:188:1e6e::/48 origin: AS140277 descr: Description ChinaNet sichuan meishan MAN blocks mnt-by: MAINT-AS38283 changed: 15390050930 [at] 189.cn 20230216 #01:48:37Z source: RADB last-modified: 2023-11-13T16:14:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 240e:188:1e6f::/48 origin: AS140277 descr: Description ChinaNet sichuan meishan MAN blocks mnt-by: MAINT-AS38283 changed: 15390050930 [at] 189.cn 20230216 #01:49:06Z source: RADB last-modified: 2023-11-13T16:14:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source