These entries are queried from radb.net using whois, you can try my project getting these.
:AS64251 route: 205.213.215.0/24 descr: Monona Terrace Community and Convention Center origin: AS64251 mnt-by: MAINT-WISCNET changed: wopat [at] wiscnet.net 20160426 #12:32:35Z source: RADB last-modified: 2023-11-13T15:49:07Z rpki-ov-state: valid route6: 2001:4e0:1050::/48 descr: Monona Terrace Community and Convention Center origin: AS64251 mnt-by: MAINT-WISCNET changed: wopat [at] wiscnet.net 20160426 #12:34:25Z source: RADB last-modified: 2023-11-13T15:49:07Z rpki-ov-state: valid