These entries are queried from radb.net using whois, you can try my project getting these.
:AS41600 route: 91.201.36.0/22 descr: Synchron Ltd. origin: AS41600 mnt-by: SYNCHRONUA-MNT created: 2007-11-20T20:02:20Z last-modified: 2009-03-27T19:44:50Z 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: 91.201.36.0/24 descr: Synchron Individiual segment origin: AS41600 mnt-by: SYNCHRONUA-MNT created: 2010-04-21T12:06:56Z last-modified: 2010-04-21T12:06:56Z 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: 91.201.37.0/24 descr: Synchron Corporate LAN origin: AS41600 mnt-by: SYNCHRONUA-MNT created: 2010-04-21T12:09:04Z last-modified: 2010-04-21T12:09:04Z 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: 91.201.38.0/24 descr: Synchron Corporate WAN origin: AS41600 mnt-by: SYNCHRONUA-MNT created: 2010-04-21T12:10:08Z last-modified: 2010-04-21T12:10:08Z 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: 91.201.39.0/24 descr: Synchron Hosting Services origin: AS41600 mnt-by: SYNCHRONUA-MNT created: 2010-04-21T12:11:14Z last-modified: 2010-04-21T12:11:14Z 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: 195.138.218.0/24 descr: Synchron Ltd. origin: AS41600 mnt-by: SYNCHRONUA-MNT created: 2006-09-26T15:46:07Z last-modified: 2009-03-27T20:00:29Z 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