These entries are queried from radb.net using whois, you can try my project getting these.
:AS398557 route: 65.19.183.0/24 origin: AS398557 descr: NET-65-19-183-0-24-AS398557 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2022-01-20T20:22:02Z last-modified: 2022-01-20T20:22:02Z rpki-ov-state: valid route: 199.20.8.0/22 origin: AS398557 mnt-by: MNT-SW-469 descr: 11708 Kanis Road Little Rock AR 72211 United States tech-c: ALBER223-ARIN admin-c: ALBER223-ARIN source: ARIN created: 2020-10-05T22:48:58Z last-modified: 2020-10-05T22:48:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.20.8.0/22 origin: AS398557 descr: SDS Wireless mnt-by: MAINT-AS15164 changed: jeremy.finn [at] upnfiber.com 20231130 # 1630Z source: RADB last-modified: 2023-11-30T16:30:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source