These entries are queried from radb.net using whois, you can try my project getting these.
:AS47056 route: 144.208.89.0/24 descr: Nebraska Furniture Mart, Inc. origin: AS47056 mnt-by: MAINT-AS17378 changed: romeo.czumbil [at] tierpoint.com 20170324 #17:30:58Z source: RADB last-modified: 2023-11-13T16:17:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.75.199.0/24 descr: Nebraska Furniture Mart, Inc. (NFM-19) origin: AS47056 mnt-by: MAINT-AS17378 changed: romeo.czumbil [at] tierpoint.com 20170327 #20:34:18Z source: RADB last-modified: 2023-11-13T16:17:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source