These entries are queried from radb.net using whois, you can try my project getting these.
:AS48770 route: 91.209.85.0/24 descr: Assist Ltd. origin: AS48770 notify: support [at] assist.ru mnt-by: ASSIST_MNT created: 2009-02-04T12:14:59Z last-modified: 2016-12-13T10:57:50Z 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: 91.209.85.0/25 descr: Assist Ltd. origin: AS48770 notify: support [at] assist.ru mnt-by: ASSIST_MNT created: 2013-12-11T15:14:49Z last-modified: 2016-12-13T10:57:50Z 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: 91.209.85.128/25 descr: Assist Ltd. origin: AS48770 notify: support [at] assist.ru mnt-by: ASSIST_MNT created: 2013-12-11T15:15:49Z last-modified: 2016-12-13T10:57:50Z 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