These entries are queried from radb.net using whois, you can try my project getting these.
:AS54022 route: 199.58.137.0/24 origin: AS54022 mnt-by: MNT-KMT-10 tech-c: BH610-ARIN admin-c: BH610-ARIN source: ARIN created: 2020-06-18T21:26:28Z last-modified: 2020-06-18T21:26:28Z descr: MNT-KMT-10 route 199.058.137.000/24 AS54022 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.58.138.0/23 origin: AS54022 mnt-by: MNT-KMT-10 tech-c: BH610-ARIN admin-c: BH610-ARIN source: ARIN created: 2020-06-18T21:27:02Z last-modified: 2020-06-18T21:27:02Z descr: MNT-KMT-10 route 199.058.138.000/23 AS54022 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.58.138.0/24 origin: AS54022 mnt-by: MNT-KMT-10 tech-c: BH610-ARIN admin-c: BH610-ARIN source: ARIN created: 2020-06-19T13:30:20Z last-modified: 2020-06-19T13:30:20Z descr: MNT-KMT-10 route 199.058.138.000/24 AS54022 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.58.139.0/24 origin: AS54022 mnt-by: MNT-KMT-10 tech-c: BH610-ARIN admin-c: BH610-ARIN source: ARIN created: 2020-06-19T13:30:56Z last-modified: 2020-06-19T13:30:56Z descr: MNT-KMT-10 route 199.058.139.000/24 AS54022 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source