These entries are queried from radb.net using whois, you can try my project getting these.
:AS2821 route: 45.10.139.0/24 descr: PL-MAXNET-V4-2 origin: AS2821 mnt-by: TSLA1-MNT created: 2019-04-29T12:06:01Z last-modified: 2019-04-29T12:06:01Z 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: 185.101.128.0/24 descr: PL-MAXNET-BL-V4 origin: AS2821 mnt-by: NETRONIK-MNT created: 2022-02-18T14:16:10Z last-modified: 2022-02-18T14:16:10Z 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:f781:10:5b5b::/64 origin: AS2821 descr: EPIX-LORA-MAXNETBOL mnt-by: EPOLUDNIE-MNT mnt-by: EPOLUDNIE-MP-MNT mnt-lower: EPOLUDNIE-MNT mnt-lower: EPOLUDNIE-MP-MNT created: 2022-05-16T07:05:13Z last-modified: 2022-05-16T07:05:13Z 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