These entries are queried from radb.net using whois, you can try my project getting these.
:AS50639 route: 109.197.144.0/21 descr: route object origin: AS50639 mnt-by: ARSNET-MNT created: 2010-04-09T10:50:30Z last-modified: 2010-04-09T10:50:30Z 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: 109.197.144.0/24 descr: route object origin: AS50639 mnt-by: ARSNET-MNT created: 2011-11-03T05:23:27Z last-modified: 2011-11-03T05:23:27Z 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: 109.197.145.0/24 descr: route object origin: AS50639 mnt-by: ARSNET-MNT created: 2011-11-03T05:27:01Z last-modified: 2011-11-03T05:27:01Z 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: 109.197.146.0/24 descr: route object origin: AS50639 mnt-by: ARSNET-MNT created: 2011-11-03T05:33:11Z last-modified: 2011-11-03T05:33:11Z 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: 109.197.147.0/24 descr: route object origin: AS50639 mnt-by: ARSNET-MNT created: 2011-11-03T05:36:35Z last-modified: 2011-11-03T05:36:35Z 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: 109.197.148.0/22 descr: route object origin: AS50639 mnt-by: ARSNET-MNT created: 2011-11-09T13:43:16Z last-modified: 2011-11-09T13:43:16Z 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: 109.197.148.0/24 descr: route object origin: AS50639 mnt-by: ARSNET-MNT created: 2013-02-06T05:35:08Z last-modified: 2013-02-06T05:35:08Z 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: 109.197.149.0/24 descr: route object origin: AS50639 mnt-by: ARSNET-MNT created: 2013-02-06T05:28:34Z last-modified: 2013-02-06T05:28:34Z 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: 109.197.150.0/24 descr: route object origin: AS50639 mnt-by: ARSNET-MNT created: 2013-02-06T05:30:47Z last-modified: 2013-02-06T05:30:47Z 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: 109.197.151.0/24 descr: route object origin: AS50639 mnt-by: ARSNET-MNT created: 2013-02-06T05:32:54Z last-modified: 2013-02-06T05:32:54Z 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