These entries are queried from radb.net using whois, you can try my project getting these.
:AS37513 route: 196.12.10.0/24 org: ORG-NUOS1-RIPE origin: AS37513 mnt-by: MM16598-MNT created: 2013-01-03T13:05:47Z last-modified: 2018-09-04T17:34:28Z source: RIPE-NONAUTH 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: 196.216.164.0/22 descr: Namibia University of Science and Technology org: ORG-NUOS1-RIPE origin: AS37513 mnt-by: MM16598-MNT created: 2013-01-03T13:07:00Z last-modified: 2018-09-04T17:34:29Z source: RIPE-NONAUTH 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: 196.216.164.0/24 org: ORG-NUOS1-RIPE origin: AS37513 mnt-by: MM16598-MNT created: 2017-06-19T19:15:42Z last-modified: 2018-09-04T18:51:21Z source: RIPE-NONAUTH 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: 196.216.165.0/24 org: ORG-NUOS1-RIPE origin: AS37513 mnt-by: MM16598-MNT created: 2017-06-19T19:16:06Z last-modified: 2018-09-04T18:51:22Z source: RIPE-NONAUTH 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: 196.216.166.0/24 org: ORG-NUOS1-RIPE origin: AS37513 mnt-by: MM16598-MNT created: 2017-06-19T19:16:28Z last-modified: 2018-09-04T18:51:22Z source: RIPE-NONAUTH 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: 196.216.167.0/24 org: ORG-NUOS1-RIPE origin: AS37513 mnt-by: MM16598-MNT created: 2017-06-19T19:16:49Z last-modified: 2018-09-04T18:51:22Z source: RIPE-NONAUTH 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: 2001:43f8:80::/48 origin: AS37513 org: ORG-NUOS1-RIPE mnt-by: MM16598-MNT created: 2017-06-19T19:48:34Z last-modified: 2018-09-04T19:46:05Z source: RIPE-NONAUTH 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