These entries are queried from radb.net using whois, you can try my project getting these.
:AS21486 route: 91.234.201.0/24 descr: Synamedia 91.234.201.0/24 origin: AS21486 remarks: notify: coreit-nw [at] synamedia.com mnt-routes: NDS-MNT mnt-routes: NDS-UK-MNT mnt-by: mnt-be-synamedia-1 mnt-by: NDS-MNT mnt-by: NDS-UK-MNT created: 2023-11-27T15:38:34Z last-modified: 2023-11-27T16:04:12Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.118.32.0/22 descr: Synamedia Technologies Israel Ltd. origin: AS21486 mnt-by: NDS-MNT created: 2002-12-01T11:24:09Z last-modified: 2019-04-04T12:59:00Z 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