These entries are queried from radb.net using whois, you can try my project getting these.
:AS37534 route: 196.216.228.0/23 descr: Guaranty Trust Bank (Ghana) Limited origin: AS37534 mnt-by: AFRINIC-HM-MNT created: 2014-06-27T09:48:00Z last-modified: 2018-09-04T17:57:33Z 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 route: 196.216.228.0/24 descr: Guaranty Trust Bank (Ghana) Limited origin: AS37534 remarks: notify: joshua.boamah [at] gtbank.com mnt-by: AFRINIC-HM-MNT created: 2016-03-17T15:37:17Z last-modified: 2018-09-04T18:23:41Z 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 route: 196.216.228.0/25 descr: Guaranty Trust Bank (Ghana) Limited origin: AS37534 remarks: notify: joshua.boamah [at] gtbank.com mnt-by: AFRINIC-HM-MNT created: 2016-03-14T17:44:39Z last-modified: 2018-09-04T18:23:34Z 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 route: 196.216.228.128/25 descr: Guaranty Trust Bank (Ghana) Limited origin: AS37534 remarks: notify: joshua.boamah [at] gtbank.com mnt-by: AFRINIC-HM-MNT created: 2016-03-14T17:49:00Z last-modified: 2018-09-04T18:23:34Z 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 route: 196.216.229.0/24 descr: Guaranty Trust Bank (Ghana) Limited origin: AS37534 remarks: notify: joshua.boamah [at] gtbank.com mnt-by: AFRINIC-HM-MNT created: 2016-03-17T15:38:42Z last-modified: 2018-09-04T18:23:41Z 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