These entries are queried from radb.net using whois, you can try my project getting these.
:AS54690 route: 12.105.48.0/21 descr: Switch Communications Customer Route origin: AS54690 remarks: Route for California Lutheran University remarks: 12.105.48.0/21-24 mnt-by: SWITCHCOM-MNT changed: netops-eng [at] switchlv.com 20131008 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.105.48.0/21 descr: RR-RC-California Lutheran-LA origin: AS54690 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.198.49.0/24 descr: RR-RC-California Lutheran-LA origin: AS54690 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:01Z rpki-ov-state: valid route: 192.153.159.0/24 descr: RR-RC-California Lutheran-LA origin: AS54690 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.153.159.0/24 descr: Switch Communications Customer Route origin: AS54690 remarks: Route for California Lutheran University remarks: 192.153.159.0/24 mnt-by: SWITCHCOM-MNT changed: netops-eng [at] switchlv.com 20131008 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.107.192.0/19 descr: Switch Communications Customer Route origin: AS54690 remarks: Route for California Lutheran University remarks: 199.107.192.0/19-24 mnt-by: SWITCHCOM-MNT changed: netops-eng [at] switchlv.com 20131008 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.107.192.0/19 descr: RR-RC-California Lutheran-LA origin: AS54690 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source