These entries are queried from radb.net using whois, you can try my project getting these.
:AS49478 route: 45.8.91.0/24 origin: AS49478 mnt-by: IP-RIPE created: 2023-05-22T13:50:11Z last-modified: 2023-05-22T13:50:11Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 91.234.164.0/22 descr: PROVODOV_NET-NET origin: AS49478 mnt-by: MNT-PROVODOV_NET mnt-by: MNT-MORO created: 2012-01-28T10:34:39Z last-modified: 2020-01-10T06:34:04Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 109.248.252.0/23 origin: AS49478 mnt-by: MNT-PROVODOV_NET created: 2021-07-30T09:50:12Z last-modified: 2021-07-30T09:50:12Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 109.248.252.0/24 origin: AS49478 mnt-by: MNT-PROVODOV_NET created: 2020-01-28T09:30:36Z last-modified: 2020-01-28T09:30:36Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 109.248.253.0/24 origin: AS49478 mnt-by: MNT-PROVODOV_NET created: 2020-01-28T07:47:28Z last-modified: 2020-01-28T07:47:28Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 194.150.254.0/23 descr: PROVODOV_NET-NET origin: AS49478 mnt-by: MNT-PROVODOV_NET created: 2009-09-04T13:09:22Z last-modified: 2009-09-04T13:09:22Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid