These entries are queried from radb.net using whois, you can try my project getting these.
:AS54686 route: 75.141.51.0/24 descr: proxy entry for Weber Associates INC origin: AS54686 mnt-by: MAINT-CHTR-WD changed: nicholas.etnoyer [at] charter.com 20180807 #16:28:45Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: valid route6: 2001:470:251::/48 origin: AS54686 descr: NET-2001-470-251---48-AS54686 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2024-01-07T02:45:14Z last-modified: 2024-01-07T02:45:14Z rpki-ov-state: valid