These entries are queried from radb.net using whois, you can try my project getting these.
:AS6874 route: 82.179.112.0/20 descr: PSTUNet descr: Perm National Research Polytechnic University origin: AS6874 notify: noc [at] runnet.ru mnt-by: INFR-MNT mnt-routes: INFR-MNT created: 2019-12-10T23:10:46Z last-modified: 2019-12-10T23:10:46Z 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: 195.19.160.0/21 descr: Perm State Technical University descr: The academical net of Perm Region origin: AS6874 notify: noc [at] pstu.ru mnt-by: AS6874-MNT created: 2011-07-06T08:36:35Z last-modified: 2013-05-17T10:41:53Z 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:b08:21::/48 descr: PERMSTU6NET descr: Perm State Technical University origin: AS6874 notify: noc [at] pstu.ru mnt-by: RUNNET-MNT created: 2015-04-29T14:07:06Z last-modified: 2015-04-29T14:07:06Z 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