These entries are queried from radb.net using whois, you can try my project getting these.
:AS52247 route: 200.1.73.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS52247 notify: ipcolombia [at] columbus.co mnt-by: MAINT-AS23520 changed: wfajardo [at] columbus-networks.com 20151215 #21:44:10Z 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: 200.1.173.0/24 descr: NETBLK-LEVEL3-SURA origin: AS52247 mnt-by: UNE-MGR changed: admorbitel [at] une.com.co 20130201 #14:15:26Z source: RADB last-modified: 2023-11-13T15:50:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.41.5.0/24 descr: NETBLK-CMTSCUC origin: AS52247 mnt-by: UNE-MGR changed: admorbitel [at] une.com.co 20100519 source: RADB last-modified: 2023-11-13T15:50:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source