These entries are queried from radb.net using whois, you can try my project getting these.
:AS37683 route: 196.10.138.0/23 descr: Centenary Bank origin: AS37683 mnt-by: SPIDDAFRICA created: 2013-07-29T10:34:04Z last-modified: 2018-09-04T17:43:16Z 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: 196.10.138.0/23 descr: China Telecom via EMIX origin: AS37683 mnt-by: MAINT-AS8966 changed: noc [at] emix.net.ae 20181129 #07:53:43Z source: RADB last-modified: 2023-11-13T15:55:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.10.138.0/24 descr: Centenary Bank origin: AS37683 mnt-by: SPIDDAFRICA created: 2013-07-29T10:34:21Z last-modified: 2018-09-04T17:43:16Z 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: 196.10.139.0/24 descr: Centenary Bank origin: AS37683 mnt-by: SPIDDAFRICA created: 2014-02-18T08:36:57Z last-modified: 2018-09-04T17:51:32Z 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