These entries are queried from radb.net using whois, you can try my project getting these.
:AS35558 route: 87.249.224.0/19 descr: IZHNET origin: AS35558 notify: noc [at] izhnet.ru mnt-by: IZHNET-MNT created: 2019-02-21T15:11:22Z last-modified: 2019-02-21T15:12:48Z 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: 92.61.16.0/20 descr: Izhevsk Network Technologies Company origin: AS35558 notify: noc [at] izhnet.ru mnt-by: IZHNET-MNT created: 2007-12-18T12:09:19Z last-modified: 2007-12-18T12:09:19Z 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: 185.41.100.0/22 origin: AS35558 mnt-by: BB1-MNT created: 2021-04-28T07:24:02Z last-modified: 2021-04-28T07:24:02Z 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: 185.41.100.0/23 origin: AS35558 mnt-by: BB1-MNT created: 2021-04-28T07:23:30Z last-modified: 2021-04-28T07:23:30Z 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: 185.41.102.0/24 origin: AS35558 mnt-by: BB1-MNT created: 2021-04-26T11:42:20Z last-modified: 2021-04-26T11:42:20Z 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: 185.41.103.0/24 origin: AS35558 mnt-by: BB1-MNT created: 2021-04-26T11:42:45Z last-modified: 2021-04-26T11:42:45Z 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: 185.93.252.0/22 descr: Izhevsk Network Technologies Company origin: AS35558 mnt-by: IZHNET-MNT created: 2015-03-30T13:21:51Z last-modified: 2015-03-30T13:21:51Z 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