These entries are queried from radb.net using whois, you can try my project getting these.
:AS53861 route: 50.115.16.0/20 origin: AS53861 descr: KGIX - TPA Subnet 1 admin-c: NETWO1234-ARIN tech-c: NETWO4207-ARIN mnt-by: MNT-KL created: 2021-01-21T20:42:56Z last-modified: 2021-01-21T20:42:56Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.16.0/20 descr: Kualo-1 origin: AS53861 admin-c: MAINT-AS16724 tech-c: MAINT-AS16724 mnt-by: MAINT-AS16724 changed: jashton [at] esnet.com 20110912 #18:43:37Z source: RADB last-modified: 2023-12-11T16:00:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.16.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:24:59Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.17.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:12:15Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.18.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:10:58Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.19.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:25:47Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.20.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:26:29Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.21.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:26:52Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.22.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:28:09Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.23.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:28:45Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.24.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:29:42Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.25.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:30:19Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.26.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:31:10Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.27.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:32:15Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.28.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:33:01Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.29.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:33:31Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.30.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:35:10Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.31.0/24 origin: AS53861 descr: DOSarrest Internet Security mnt-by: MAINT-AS19324 changed: jbains [at] dosarrest.com 20230719 #17:35:43Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source