These entries are queried from radb.net using whois, you can try my project getting these.
:AS56674 route: 91.226.148.0/22 descr: MARYA-NET route origin: AS56674 mnt-by: MARYA-MNT created: 2012-03-27T09:51:07Z last-modified: 2012-03-27T09:51:07Z 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: 91.226.148.0/24 descr: MARYA-NET route Saratov (fabrika) origin: AS56674 mnt-by: MARYA-MNT created: 2012-03-27T09:54:44Z last-modified: 2012-03-27T09:54:44Z 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: 91.226.149.0/24 descr: MARYA-NET route Saratov (fabrika) origin: AS56674 mnt-by: MARYA-MNT created: 2016-03-25T07:42:03Z last-modified: 2016-03-25T07:42:03Z 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: 91.226.150.0/24 descr: MARYA-NET route Saratov (tzs) origin: AS56674 mnt-by: MARYA-MNT created: 2016-12-27T13:40:47Z last-modified: 2022-05-18T08:20:00Z 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: valid route: 91.226.151.0/24 descr: MARYA-NET route Saratov (tzs) origin: AS56674 mnt-by: MARYA-MNT created: 2022-05-18T08:20:11Z last-modified: 2022-05-18T08:20:11Z 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 route6: 2a03:e140:1b::/48 descr: MARYA-NET route Saratov (fabrika) ipv6 origin: AS56674 mnt-by: MARYA-MNT created: 2019-08-26T06:40:15Z last-modified: 2019-08-26T06:40:39Z 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: 2a03:e140:35::/48 descr: MARYA-NET route Saratov (tzs) ipv6 origin: AS56674 mnt-by: MARYA-MNT created: 2019-08-27T19:07:27Z last-modified: 2019-08-27T19:07:27Z 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