These entries are queried from radb.net using whois, you can try my project getting these.
:AS42589 route: 81.163.160.0/19 descr: UDP Ltd. notify: admin [at] udp.ru origin: AS42589 mnt-by: MNT-UDP created: 2011-09-08T07:36:19Z last-modified: 2011-09-08T07:36:19Z 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: 81.163.160.0/22 descr: UDP Ltd. origin: AS42589 mnt-by: MNT-UDP created: 2015-03-20T08:08:54Z last-modified: 2015-03-20T08:30:35Z source: RIPE notify: admin [at] udp.ru 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: 81.163.164.0/22 descr: UDP Ltd. origin: AS42589 mnt-by: MNT-UDP created: 2015-03-20T08:14:21Z last-modified: 2015-03-20T08:34:12Z source: RIPE notify: admin [at] udp.ru 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: 81.163.168.0/22 descr: UDP Ltd. origin: AS42589 mnt-by: MNT-UDP created: 2015-03-20T08:15:20Z last-modified: 2015-03-20T08:34:48Z source: RIPE notify: admin [at] udp.ru 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: 81.163.172.0/22 descr: UDP Ltd. origin: AS42589 mnt-by: MNT-UDP created: 2015-03-20T08:15:47Z last-modified: 2015-03-20T08:35:10Z source: RIPE notify: admin [at] udp.ru 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: 81.163.176.0/22 descr: UDP Ltd. origin: AS42589 mnt-by: MNT-UDP created: 2015-03-20T08:16:14Z last-modified: 2015-03-20T08:35:43Z source: RIPE notify: admin [at] udp.ru 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: 81.163.180.0/22 descr: UDP Ltd. origin: AS42589 mnt-by: MNT-UDP created: 2015-03-20T08:16:55Z last-modified: 2015-03-20T08:36:02Z source: RIPE notify: admin [at] udp.ru 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: 81.163.184.0/22 descr: UDP Ltd. origin: AS42589 mnt-by: MNT-UDP created: 2015-03-20T08:17:34Z last-modified: 2015-03-20T08:36:16Z source: RIPE notify: admin [at] udp.ru 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: 81.163.188.0/22 descr: UDP Ltd. origin: AS42589 mnt-by: MNT-UDP created: 2015-03-20T08:18:04Z last-modified: 2015-03-20T08:36:38Z source: RIPE notify: admin [at] udp.ru 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: 193.200.94.0/23 descr: UDP Ltd. notify: admin [at] udp.ru origin: AS42589 mnt-by: MNT-UDP created: 2007-06-09T08:25:07Z last-modified: 2007-06-09T08:31:29Z 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