These entries are queried from radb.net using whois, you can try my project getting these.
:AS50 route: 128.219.0.0/16 descr: ORNL-NETB1 Oak Ridge National Laboratory Bethel Valley Road Oak Ridge TN 37831, USA origin: AS50 mnt-by: MAINT-AS50 changed: yhines [at] es.net 19970909 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.91.0.0/16 descr: OREN Oak Ridge National Laboratory P.O. Box 2008 Oak Ridge TN 37831, USA origin: AS50 mnt-by: MAINT-AS50 changed: yhines [at] es.net 19960908 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.12.68.0/24 descr: ORNL-NETC1 Oak Ridge National Laboratory P.O. Box Y Building 9207A Oak Ridge TN 37831, USA origin: AS50 mnt-by: MAINT-AS50 changed: yhines [at] es.net 19970909 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.31.96.0/24 descr: ORNL-NETC2 Office of Scientific and Technical Information Department of Energy Oak Ridge TN 37831, USA origin: AS50 mnt-by: MAINT-AS50 changed: yhines [at] es.net 19960908 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.56.60.0/24 descr: QUEST-PORT9 Martin Marietta Energy Systems P.O. Box 628 Piketon OH 45661, USA origin: AS50 mnt-by: MAINT-AS50 changed: yhines [at] es.net 19971119 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.103.127.0/24 descr: ORNL-NETC3 Oak Ridge National Laboratory origin: AS50 mnt-by: MAINT-AS50 changed: hicksse [at] ornl.gov 20031231 source: RADB last-modified: 2023-11-13T15:39:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.148.93.0/24 descr: ARM DMF ORNL origin: AS50 mnt-by: MAINT-AS50 changed: netmgr [at] ORNL.GOV 20121026 #15:15:54Z source: RADB last-modified: 2023-11-13T15:44:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.148.96.0/23 descr: ARM DMF ORNL origin: AS50 mnt-by: MAINT-AS50 changed: netmgr [at] ORNL.GOV 20121026 #15:17:13Z source: RADB last-modified: 2023-11-13T15:44:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.188.177.0/24 descr: ORNL-Sensornet Oak Ridge National Lab Oak Ridge TN 37831, USA origin: AS50 mnt-by: MAINT-AS50 changed: hicksse [at] ornl.gov 20040820 source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.188.178.0/23 descr: ORNL-NCRC Oak Ridge National Lab Oak Ridge TN 37831, USA origin: AS50 mnt-by: MAINT-AS50 changed: yhines [at] es.net 20100907 source: RADB last-modified: 2023-11-13T15:41:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.188.180.0/24 descr: NET-192-188-180-0-1 origin: AS50 mnt-by: MAINT-ESNET changed: dwcarder [at] es.net 20171005 #19:41:38Z source: RADB last-modified: 2023-11-13T15:51:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.188.181.0/24 descr: HILLSBOR-NET Oak Ridge National Laboratory Bethel Valley Road Oak Ridge TN 37831, USA origin: AS50 mnt-by: MAINT-ESNET changed: hostmaster [at] es.net 20120202 #23:02:31Z source: RADB last-modified: 2023-11-13T15:41:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.188.182.0/24 descr: ORNL-JICS Oak Ridge National Lab Oak Ridge TN 37831, USA origin: AS50 mnt-by: MAINT-AS50 changed: hicksse [at] ornl.gov 20040820 source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.136.139.0/24 descr: QUEST-PORT8 Martin Marietta Energy Systems P.O. Box 628 Piketon OH 45661, USA origin: AS50 mnt-by: MAINT-AS50 changed: yhines [at] es.net 19960908 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.148.251.0/24 descr: QUEST-PGDP5 Martin Marietta Energy Systems P.O. Box 1410 Paducah KY 42001, USA origin: AS50 mnt-by: MAINT-AS50 changed: yhines [at] es.net 19960908 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.203.246.0/24 descr: QUEST-PORT9 Martin Marietta Utility Services P.O. Box 628 Piketon OH 45661, USA origin: AS50 mnt-by: MAINT-AS50 changed: yhines [at] es.net 19960908 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:0:2b30::/44 descr: Oak Ridge National Laboratory origin: AS50 mnt-by: MAINT-AS50 changed: netmgr [at] ORNL.GOV 20130903 #17:20:28Z source: RADB last-modified: 2023-11-13T15:45:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:0:2b30::/48 descr: Oak Ridge National Laboratory origin: AS50 mnt-by: MAINT-AS50 changed: netmgr [at] ORNL.GOV 20101007 #19:19:20Z source: RADB last-modified: 2023-11-13T15:41:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source