These entries are queried from radb.net using whois, you can try my project getting these.
:AS40790 route: 74.120.248.0/22 descr: Employment Research Institute origin: AS40790 mnt-by: MAINT-CHTR-WD changed: wendel.herron [at] chartercom.com 20120118 #00:11:31Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.120.248.0/22 descr: Employment Research Institute origin: AS40790 mnt-by: MAINT-WINKY-NET changed: jae [at] winky.net 20170615 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.89.248.0/22 descr: Employment Research Institute origin: AS40790 mnt-by: MAINT-WINKY-NET changed: jae [at] winky.net 20170615 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.89.248.0/22 descr: Employment Research Institute origin: AS40790 mnt-by: MAINT-CHTR-WD changed: wendel.herron [at] chartercom.com 20120118 #00:15:04Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source