These entries are queried from radb.net using whois, you can try my project getting these.
:AS399090 route: 198.140.190.0/23 origin: AS399090 descr: 27 Dry Dock ave Boston MA 02210 United States admin-c: COTTA8-ARIN tech-c: COTTA8-ARIN tech-c: TECH1233-ARIN mnt-by: MNT-GB-319 created: 2021-07-28T00:50:09Z last-modified: 2021-11-28T00:43:49Z source: ARIN rpki-ov-state: valid route6: 2001:470:116::/48 origin: AS399090 descr: NET-2001-470-116---48-AS399090 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2022-01-20T20:22:29Z last-modified: 2022-01-20T20:22:29Z rpki-ov-state: valid