These entries are queried from radb.net using whois, you can try my project getting these.
:AS33583 route: 199.30.148.0/22 origin: AS33583 mnt-by: MNT-IBC50 descr: 401 N Main Mount Pleasant MI 48858 United States tech-c: NETWO8433-ARIN admin-c: NETWO8433-ARIN source: ARIN created: 2020-06-22T21:37:25Z last-modified: 2020-06-22T21:37:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.30.148.0/24 origin: AS33583 mnt-by: MNT-IBC50 descr: 401 N Main Mount Pleasant MI 48858 United States tech-c: NETWO8433-ARIN admin-c: NETWO8433-ARIN source: ARIN created: 2020-06-22T21:34:42Z last-modified: 2020-06-22T21:34:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.30.149.0/24 origin: AS33583 mnt-by: MNT-IBC50 descr: 401 N Main Mount Pleasant MI 48858 United States tech-c: NETWO8433-ARIN admin-c: NETWO8433-ARIN source: ARIN created: 2020-06-22T21:35:18Z last-modified: 2020-06-22T21:35:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.30.150.0/24 origin: AS33583 mnt-by: MNT-IBC50 descr: 401 N Main Mount Pleasant MI 48858 United States tech-c: NETWO8433-ARIN admin-c: NETWO8433-ARIN source: ARIN created: 2020-06-22T21:36:31Z last-modified: 2020-06-22T21:36:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source