These entries are queried from radb.net using whois, you can try my project getting these.
:AS35352 route: 31.40.104.0/21 descr: Closed JSC Ukrtelebud origin: AS35352 mnt-by: mnt-ua-llcukrtele-service-1 created: 2011-06-08T13:46:22Z last-modified: 2020-12-31T11:11:55Z 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: 45.82.8.0/22 origin: AS35352 mnt-by: mnt-ua-llcukrtele-service-1 created: 2021-02-02T09:06:08Z last-modified: 2021-02-02T09:06:08Z 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: 91.216.251.0/24 origin: AS35352 mnt-by: MIT-MNT mnt-by: mnt-ua-llcukrtele-service-1 created: 2021-01-29T14:00:20Z last-modified: 2021-01-29T14:00:37Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 109.95.48.0/21 descr: Closed JSC Ukrtelebud origin: AS35352 mnt-by: mnt-ua-llcukrtele-service-1 created: 2010-01-21T14:41:29Z last-modified: 2020-12-31T11:11:03Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 176.96.132.0/22 origin: AS35352 mnt-by: mnt-ua-llcukrtele-service-1 created: 2018-09-17T05:39:46Z last-modified: 2020-12-31T11:09:08Z 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: 185.205.44.0/22 origin: AS35352 mnt-by: mnt-ua-llcukrtele-service-1 created: 2017-06-07T20:23:25Z last-modified: 2020-12-31T11:11:37Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 193.47.137.0/24 descr: UTB_NET origin: AS35352 mnt-by: mnt-ua-llcukrtele-service-1 created: 2005-07-26T12:51:20Z last-modified: 2020-12-31T11:09:35Z 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