These entries are queried from radb.net using whois, you can try my project getting these.
:AS14534 route: 23.143.160.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS14534 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: gersain.rendon [at] cwc.com 20180830 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.143.160.0/24 origin: AS14534 descr: UNONET CORP AS14534 Located at the coordinates 17.9973,-66.6208676 admin-c: SUPPO1972-ARIN tech-c: SUPPO1972-ARIN mnt-by: MNT-UC-309 created: 2021-11-01T20:23:43Z last-modified: 2021-11-01T20:23:43Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:d3c0::/32 origin: AS14534 descr: UNONET CORP AS14534 Located at the coordinates 17.9973,-66.6208676 admin-c: SUPPO1972-ARIN tech-c: SUPPO1972-ARIN mnt-by: MNT-UC-309 created: 2021-11-01T20:24:42Z last-modified: 2021-11-01T20:24:42Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:d3c0::/32 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS14534 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: gersain.rendon [at] cwc.com 20180830 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source