These entries are queried from radb.net using whois, you can try my project getting these.
:AS35588 route: 46.33.48.0/21 descr: Telecompany LiS LTD, Belgorod-Dnestovsky, Ukraine org: ORG-TA189-RIPE origin: AS35588 mnt-by: MNT-LIS created: 2011-12-20T17:58:11Z last-modified: 2011-12-20T17:58:11Z 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: 46.33.48.0/22 origin: AS35588 mnt-by: MNT-LIS created: 2017-04-20T07:53:24Z last-modified: 2017-04-20T07:53:24Z 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: 46.33.52.0/24 origin: AS35588 mnt-by: MNT-LIS created: 2017-09-03T15:00:09Z last-modified: 2017-09-03T15:00:09Z 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: 46.33.53.0/24 origin: AS35588 mnt-by: MNT-LIS created: 2020-10-28T07:21:15Z last-modified: 2020-10-28T07:21:15Z 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: 91.206.32.0/23 origin: AS35588 mnt-by: MNT-LIS created: 2020-10-28T12:08:03Z last-modified: 2020-10-28T12:08:03Z 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: 193.169.146.0/23 origin: AS35588 mnt-by: MNT-LIS created: 2020-05-06T08:49:17Z last-modified: 2020-05-06T08:49:17Z 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: 194.213.23.0/24 descr: Telecompany LiS LTD, Belgorod-Dnestovsky, Ukraine origin: AS35588 mnt-by: MNT-LIS created: 2005-09-22T12:24:27Z last-modified: 2009-07-16T12:59:25Z 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: valid route6: 2001:678:21c::/48 origin: AS35588 mnt-by: MNT-LIS created: 2016-07-19T10:44:12Z last-modified: 2016-07-19T10:44:12Z 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