These entries are queried from radb.net using whois, you can try my project getting these.
:AS52400 route: 181.233.192.0/18 descr: ITX-OLO origin: AS52400 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20161128 #18:11:06Z source: RADB last-modified: 2023-11-13T15:50:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 181.233.192.0/19 descr: Prefijo de Olo origin: AS52400 mnt-by: MAINT-AS12252 changed: armando.quiroga [at] claro.com.pe 20161126 #13:21:07Z source: RADB last-modified: 2023-11-13T15:50:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 181.233.224.0/19 descr: Prefijo de Olo origin: AS52400 mnt-by: MAINT-AS12252 changed: armando.quiroga [at] claro.com.pe 20161126 #13:22:40Z source: RADB last-modified: 2023-11-13T15:50:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.114.248.0/22 descr: ITX-OLO origin: AS52400 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20161128 #18:08:34Z source: RADB last-modified: 2023-11-13T15:50:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.114.248.0/23 descr: Prefijo de Olo origin: AS52400 mnt-by: MAINT-AS12252 changed: armando.quiroga [at] claro.com.pe 20161126 #13:27:42Z source: RADB last-modified: 2023-11-13T15:50:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.114.250.0/23 descr: Prefijos de Olo origin: AS52400 mnt-by: MAINT-AS12252 changed: armando.quiroga [at] claro.com.pe 20161126 #13:28:32Z source: RADB last-modified: 2023-11-13T15:50:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source