These entries are queried from radb.net using whois, you can try my project getting these.
:AS54620 route: 38.72.76.0/24 descr: Generic Network Systems, LLC origin: AS54620 mnt-by: MAINT-AS54620 changed: rob.trangmar [at] gnetsys.net 20130124 #22:33:05Z source: RADB last-modified: 2023-11-13T15:44:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.125.123.0/24 descr: Generic Network Systems, LLC origin: AS54620 mnt-by: MAINT-AS54620 changed: rob.trangmar [at] gnetsys.net 20130124 #22:43:03Z source: RADB last-modified: 2023-11-13T15:44:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.45.50.0/24 descr: Generic Network Systems, LLC (AMS) origin: AS54620 mnt-by: MAINT-AS54620 changed: rob.trangmar [at] gnetsys.net 20151223 #21:00:16Z source: RADB last-modified: 2023-11-13T15:48:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:470:e1::/48 origin: AS54620 descr: NET-2001-470-e1---48-AS54620 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2022-01-20T20:21:43Z last-modified: 2022-01-20T20:21:43Z rpki-ov-state: valid