These entries are queried from radb.net using whois, you can try my project getting these.
:AS16411 route: 192.33.19.0/24 descr: Solar Energy Research Institute 1617 Cole Boulevard Golden, CO 80401, USA origin: AS16411 mnt-by: MAINT-ESNET changed: hostmaster [at] es.net 20140317 #22:43:19Z source: RADB last-modified: 2023-11-13T15:46:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.48.125.0/24 descr: Solar Energy Research Institute 1617 Cole Boulevard Golden, CO 80401, USA origin: AS16411 mnt-by: MAINT-ESNET changed: hostmaster [at] es.net 20140317 #22:44:44Z source: RADB last-modified: 2023-11-13T15:46:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.88.248.0/23 descr: Solar Energy Research Institute 1617 Cole Boulevard Golden, CO 80401, USA origin: AS16411 mnt-by: MAINT-ESNET changed: hostmaster [at] es.net 20140317 #22:45:48Z source: RADB last-modified: 2023-11-13T15:46:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.174.32.0/19 descr: National Renewable Energy Laboratory 1617 Cole Boulevard Golden, CO 80401, USA origin: AS16411 mnt-by: MAINT-ESNET changed: hostmaster [at] es.net 20140317 #22:47:15Z source: RADB last-modified: 2023-11-13T15:46:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:d0:8000::/48 descr: National Renewable Energy Laboratory 1617 Cole Boulevard Golden, CO 80401, USA origin: AS16411 mnt-by: MAINT-ESNET changed: hostmaster [at] es.net 20140317 #22:48:11Z source: RADB last-modified: 2023-11-13T15:46:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source