These entries are queried from radb.net using whois, you can try my project getting these.
:AS3380 route: 192.55.106.0/24 descr: PPPL Princeton Plasma Physics Laboratory Forrestal Research Center P.O. Box 451 Princeton NJ 08543, USA origin: AS3380 mnt-by: MAINT-ESNET changed: yhines [at] es.net 20000128 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: 192.103.13.0/24 descr: KIP-PPPL Princeton Plasma Physics Laboratory Forrestal Research Center P.O. Box 451 Princeton NJ 08543, USA origin: AS3380 mnt-by: MAINT-ESNET changed: yhines [at] es.net 20000128 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: 192.188.106.0/24 descr: PPPL Princeton Plasma Physics Laboratory Forrestal Research Center P.O. Box 451 Princeton NJ 08543, USA origin: AS3380 mnt-by: MAINT-ESNET changed: yhines [at] es.net 20000128 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: 198.35.0.0/20 descr: NET-SUB-PPPL Princeton Plasma Physics Laboratory Forrestal Research Center P.O. Box 451 Princeton NJ 08543, USA origin: AS3380 mnt-by: MAINT-ESNET changed: yhines [at] es.net 20050323 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source