These entries are queried from radb.net using whois, you can try my project getting these.
:AS27213 route: 23.171.144.0/24 origin: AS27213 descr: OSNET Wireless IP Transit Client admin-c: RIVER6-ARIN tech-c: RIVER5-ARIN notify: tier2 [at] osnetpr.com mnt-by: MAINT-AS21559 changed: gtrejo [at] osnetpr.com 20210222 #16:57:12Z source: RADB last-modified: 2023-11-13T16:14:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.249.143.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS27213 mnt-by: MAINT-AS23520 changed: agonzalez [at] columbus-networks.com 20150204 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: 65.38.223.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS27213 mnt-by: MAINT-AS23520 changed: emckenzie [at] columbus.co 20140126 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: 67.206.238.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS27213 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: jleiva [at] cwc.com 20191210 source: RADB last-modified: 2023-11-13T15:59:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.81.174.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS27213 mnt-by: MAINT-AS23520 changed: emckenzie [at] columbus.co 20140126 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source