These entries are queried from radb.net using whois, you can try my project getting these.
:AS2905 route: 213.193.32.0/22 descr: UUNET Zambia - Lusaka, Zambia ISP origin: AS2905 mnt-by: UUNET-AFRICA notify: ip-admin [at] uunet.co.za created: 2003-01-03T10:12:13Z last-modified: 2018-09-04T15:38:42Z 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: 213.193.32.0/23 descr: UUNET Zambia - Lusaka, Zambia ISP origin: AS2905 mnt-by: UUNET-AFRICA mnt-routes: UUNET-AFRICA notify: ip-maint [at] za.uu.net created: 2003-01-03T09:59:46Z last-modified: 2018-09-04T15:38:42Z 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 route6: 2001:4218::/32 descr: AS2905 IPv6 origin: AS2905 mnt-by: VZBSA created: 2007-07-20T09:22:33Z last-modified: 2018-09-04T19:40:40Z 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