These entries are queried from radb.net using whois, you can try my project getting these.
:AS210109 route: 31.135.244.0/22 descr: Kurgan-telecom, LLC origin: AS210109 mnt-by: kurgantelecom-mnt created: 2018-11-23T05:28:33Z last-modified: 2018-11-23T05:28:33Z 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: 31.135.244.0/23 descr: Kurgan-telecom, LLC origin: AS210109 mnt-by: kurgantelecom-mnt created: 2018-11-23T05:29:39Z last-modified: 2018-11-23T05:29:39Z 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 route: 31.135.246.0/23 descr: Kurgan-telecom, LLC origin: AS210109 mnt-by: kurgantelecom-mnt created: 2018-11-23T05:30:25Z last-modified: 2018-11-23T05:30:25Z 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: 31.135.248.0/22 descr: Kurgan-telecom, LLC origin: AS210109 mnt-by: kurgantelecom-mnt created: 2018-11-23T05:31:51Z last-modified: 2018-11-23T05:31:51Z 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: 31.135.248.0/23 descr: Kurgan-telecom, LLC origin: AS210109 mnt-by: kurgantelecom-mnt created: 2018-11-23T05:32:31Z last-modified: 2018-11-23T05:32:31Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 31.135.250.0/23 descr: Kurgan-telecom, LLC origin: AS210109 mnt-by: kurgantelecom-mnt created: 2018-11-23T05:32:59Z last-modified: 2018-11-23T05:32:59Z 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