These entries are queried from radb.net using whois, you can try my project getting these.
:AS20796 route: 91.215.144.0/22 descr: UTG origin: AS20796 mnt-by: mnt-ua-utg-1 mnt-by: UTELECOMUA-MNT created: 2009-11-12T09:17:01Z last-modified: 2021-03-03T11:01:38Z 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: 91.215.144.0/24 descr: UTG origin: AS20796 mnt-by: UTELECOMUA-MNT mnt-by: mnt-ua-utg-1 created: 2011-04-19T13:54:11Z last-modified: 2021-03-03T11:03:12Z 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: 91.215.145.0/24 descr: UTG origin: AS20796 mnt-by: UTELECOMUA-MNT mnt-by: mnt-ua-utg-1 created: 2011-04-19T13:56:57Z last-modified: 2021-03-03T11:04:07Z 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: 91.215.146.0/24 descr: UTG origin: AS20796 mnt-by: UTELECOMUA-MNT mnt-by: mnt-ua-utg-1 created: 2011-04-19T13:58:24Z last-modified: 2021-03-03T11:04:41Z 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: 91.215.147.0/24 descr: UTG origin: AS20796 mnt-by: UTELECOMUA-MNT mnt-by: mnt-ua-utg-1 created: 2011-04-19T13:59:20Z last-modified: 2021-03-03T11:05:16Z 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