These entries are queried from radb.net using whois, you can try my project getting these.
:AS44347 route: 46.43.192.0/18 descr: Limited Company "SiNT" origin: AS44347 mnt-by: SINT-MNT created: 2010-09-14T11:04:46Z last-modified: 2012-04-05T03:00:30Z 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: valid route: 46.43.192.0/19 descr: Limited Company "SiNT" origin: AS44347 mnt-by: SINT-MNT created: 2012-04-04T05:42:31Z last-modified: 2012-04-04T05:42:31Z 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: valid route: 46.43.224.0/19 descr: Limited Company "SiNT" origin: AS44347 mnt-by: SINT-MNT created: 2014-06-03T09:27:28Z last-modified: 2014-06-03T09:27:28Z 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: valid route: 185.14.32.0/22 descr: Limited Company "SiNT" origin: AS44347 mnt-by: SINT-MNT created: 2013-01-02T06:53:33Z last-modified: 2013-01-02T06:53:33Z 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: valid route: 185.14.32.0/23 origin: AS44347 mnt-by: SINT-MNT created: 2017-10-09T10:27:21Z last-modified: 2017-10-09T10:27:21Z 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: valid route: 185.14.34.0/23 origin: AS44347 mnt-by: SINT-MNT created: 2017-10-09T10:28:42Z last-modified: 2017-10-09T10:28:42Z 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: valid route: 188.65.48.0/21 descr: Limited Company "SiNT" origin: AS44347 mnt-by: SINT-MNT created: 2009-08-11T06:43:15Z last-modified: 2009-08-11T06:43:15Z 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: valid route: 188.65.48.0/22 descr: Limited Company "SiNT" origin: AS44347 mnt-by: SINT-MNT created: 2009-08-06T14:06:54Z last-modified: 2012-11-23T07:32:58Z 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: valid route: 188.65.52.0/22 descr: Limited Company "SiNT" origin: AS44347 mnt-by: SINT-MNT created: 2009-08-06T14:06:54Z last-modified: 2009-08-06T14:06:54Z 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: valid route6: 2a03:a7c0::/32 descr: Limited Company "SiNT" origin: AS44347 mnt-by: SINT-MNT created: 2013-01-02T07:23:33Z last-modified: 2013-01-02T07:23:33Z 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