These entries are queried from radb.net using whois, you can try my project getting these.
:AS36861 route: 204.58.156.0/22 descr: RWJ Barnabas origin: AS36861 mnt-by: MAINT-AS27506 changed: mdimambro [at] lightower.com 20190712 source: RADB last-modified: 2023-11-13T15:56:44Z rpki-ov-state: valid route: 204.58.160.0/21 descr: RWJ Barnabas origin: AS36861 mnt-by: MAINT-AS27506 changed: mdimambro [at] lightower.com 20190712 source: RADB last-modified: 2023-11-13T15:56:44Z rpki-ov-state: valid route: 208.68.20.0/22 descr: RWJ Barnabas origin: AS36861 mnt-by: MAINT-AS27506 changed: mdimambro [at] lightower.com 20190712 source: RADB last-modified: 2023-11-13T15:56:44Z rpki-ov-state: valid route: 208.68.20.0/22 descr: St Barnabas Health Care System origin: AS36861 mnt-by: CTI-MNT changed: ccs_ip-admin [at] cable.comcast.com 20061023 source: LEVEL3 rpki-ov-state: valid route: 208.68.20.0/24 descr: St Barnabas Health Care System origin: AS36861 mnt-by: CTI-MNT changed: ccs_ip-admin [at] cable.comcast.com 20061025 source: LEVEL3 rpki-ov-state: valid route: 208.68.21.0/24 descr: St Barnabas Health Care System origin: AS36861 mnt-by: CTI-MNT changed: ccs_ip-admin [at] cable.comcast.com 20061025 source: LEVEL3 rpki-ov-state: valid route: 208.68.22.0/24 descr: St Barnabas Health Care System origin: AS36861 mnt-by: CTI-MNT changed: ccs_ip-admin [at] cable.comcast.com 20061025 source: LEVEL3 rpki-ov-state: valid route: 208.68.23.0/24 descr: St Barnabas Health Care System origin: AS36861 mnt-by: CTI-MNT changed: ccs_ip-admin [at] cable.comcast.com 20061025 source: LEVEL3 rpki-ov-state: valid