These entries are queried from radb.net using whois, you can try my project getting these.
:AS35298 route: 31.173.176.0/20 descr: Volga Branch of OJSC MegaFon, TD origin: AS35298 mnt-by: MF-VLG-MNT created: 2015-03-30T12:32:21Z last-modified: 2022-05-26T13:43:37Z 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: 37.29.76.0/22 descr: Volga Branch of OJSC MegaFon, TD origin: AS35298 mnt-by: MF-VLG-MNT created: 2013-06-03T10:05:40Z last-modified: 2013-06-03T10:05:40Z 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: 78.41.100.0/22 descr: Povolzhie Branch of OJSC MegaFon, broadband inet access pools origin: AS35298 mnt-by: MF-VLG-MNT created: 2014-03-27T06:21:31Z last-modified: 2014-03-27T06:21:31Z 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: 178.176.154.0/23 descr: MF-GNOC-PF-20180815 origin: AS35298 mnt-by: MF-VLG-MNT created: 2018-08-15T13:08:05Z last-modified: 2022-05-26T12:20:27Z 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: valid route6: 2a03:d000:8000::/48 descr: Volga Branch of OJSC MegaFon, TD origin: AS35298 mnt-by: MF-VLG-MNT created: 2014-10-03T10:23:59Z last-modified: 2014-10-03T10:23:59Z 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