These entries are queried from radb.net using whois, you can try my project getting these.
:AS56738 route: 185.1.148.0/24 origin: AS56738 mnt-by: fr-chrismunds-mnt mnt-by: sbg-ix-mnt created: 2023-09-20T13:40:39Z last-modified: 2023-09-20T13:40:39Z 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 route6: 2001:7f8:140::/48 descr: SBG-IX IPv6 Peering LAN origin: AS56738 mnt-by: MNT-DED3L mnt-by: DED3L-MNT mnt-by: sbg-ix-mnt created: 2022-12-26T23:12:05Z last-modified: 2022-12-26T23:12:05Z 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