These entries are queried from radb.net using whois, you can try my project getting these.
:AS393696 route: 50.232.89.0/24 descr: VW-CUST-88150 origin: AS393696 mnt-by: MAINT-FLEXENTIAL changed: routing [at] viawest.net 20150127 #22:27:51Z source: RADB last-modified: 2023-11-13T15:57:06Z rpki-ov-state: valid route: 71.86.244.0/24 descr: Charter Communications for New Belgium Brewery origin: AS393696 mnt-by: MAINT-CHTR-WD changed: tim.weber [at] charter.com 20150224 #19:46:58Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: valid