These entries are queried from radb.net using whois, you can try my project getting these.
:AS56977 route: 91.229.190.0/23 descr: StilarRoute origin: AS56977 mnt-by: STILAR-MNT created: 2011-06-28T10:21:37Z last-modified: 2011-06-28T10:21:37Z 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: 91.229.190.0/24 descr: StilarRoute_1 origin: AS56977 mnt-by: STILAR-MNT created: 2011-06-30T12:51:10Z last-modified: 2011-06-30T12:51:10Z 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: 91.229.191.0/24 descr: StilarRoute_2 origin: AS56977 mnt-by: STILAR-MNT created: 2011-06-30T12:51:49Z last-modified: 2011-06-30T12:51:49Z 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: 91.239.44.0/23 descr: StilarRoute_3 origin: AS56977 mnt-by: STILAR-MNT created: 2012-05-14T11:22:31Z last-modified: 2012-05-14T11:22:31Z 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: 91.239.44.0/24 descr: StilarRoute_4 origin: AS56977 mnt-by: STILAR-MNT created: 2014-09-02T11:21:33Z last-modified: 2014-09-02T11:21:33Z 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: 91.239.45.0/24 descr: StilarRoute_5 origin: AS56977 mnt-by: STILAR-MNT created: 2014-09-02T11:22:48Z last-modified: 2014-09-02T11:22:48Z 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