These entries are queried from radb.net using whois, you can try my project getting these.
:AS328167 route: 160.19.232.0/22 origin: AS328167 mnt-by: maint_werner mnt-by: TWK-COMMS-MNT created: 2017-09-11T20:04:29Z last-modified: 2018-09-04T18:56:36Z 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: 160.19.232.0/22 descr: TWK Communications origin: AS328167 mnt-by: TWK-COMMS-MNT changed: *** [at] twkcom.co.za 20170906 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.19.232.0/24 origin: AS328167 descr: TWK-COMM mnt-by: TWK-COMMS-MNT changed: *** [at] twkcom.co.za 20220505 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.19.233.0/24 origin: AS328167 descr: TWK-COMM mnt-by: TWK-COMMS-MNT changed: *** [at] twkcom.co.za 20220505 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.19.234.0/24 origin: AS328167 descr: TWK-COMM mnt-by: TWK-COMMS-MNT changed: *** [at] twkcom.co.za 20220505 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.19.235.0/24 origin: AS328167 descr: TWK-COMM mnt-by: TWK-COMMS-MNT changed: *** [at] twkcom.co.za 20220505 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2c0f:e840::/32 origin: AS328167 descr: TWK Communications mnt-by: TWK-COMMS-MNT changed: *** [at] twkcom.co.za 20220424 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source