These entries are queried from radb.net using whois, you can try my project getting these.
:AS62724 route: 156.63.148.0/24 descr: RR-RC-Northwest Ohio Computer Association-MOH origin: AS62724 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: 156.63.149.0/24 descr: RR-RC-Northwest Ohio Computer Association-MOH origin: AS62724 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: 208.108.120.0/21 descr: RR-RC-Northwest Ohio Computer Association-MOH origin: AS62724 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: 208.108.228.0/24 origin: AS62724 descr: 208.108.228.0/24 member-of: AS600:RS-CUSTOMERS:AS62724 components: {208.108.228.0/24^+} admin-c: NOC2069-ARIN tech-c: NOC2069-ARIN remarks: OARNET NWOCAK12 mnt-by: MAINT-AS600 changed: tbonse [at] oar.net 20231024 #23:18:33Z source: RADB last-modified: 2023-11-13T16:19:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source