These entries are queried from radb.net using whois, you can try my project getting these.
:AS198857 route: 91.223.250.0/24 descr: nowogrod.net origin: AS198857 mnt-by: mnt-pl-nowogrodnet-1 created: 2012-06-13T17:30:42Z last-modified: 2023-05-06T10:44:04Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 194.113.248.0/24 origin: AS198857 mnt-by: mnt-pl-nowogrodnet-1 created: 2021-05-27T18:59:02Z last-modified: 2021-05-27T18:59:02Z 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: 194.116.154.0/23 origin: AS198857 mnt-by: mnt-pl-nowogrodnet-1 created: 2019-10-30T19:10:00Z last-modified: 2019-10-30T19:10:00Z 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 route6: 2a10:f781:10:d9a3::/64 origin: AS198857 descr: EPIX-LORA-NOWOGROD mnt-by: EPOLUDNIE-MNT mnt-by: EPOLUDNIE-MP-MNT mnt-lower: EPOLUDNIE-MNT mnt-lower: EPOLUDNIE-MP-MNT created: 2022-05-16T06:43:52Z last-modified: 2022-05-16T06:43:52Z 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