These entries are queried from radb.net using whois, you can try my project getting these.
:AS11546 route: 129.93.50.0/23 origin: AS11546 descr: Athletics LPV (Large Public Venue) mnt-by: MAINT-AS7896 changed: walter.aude [at] nebraska.edu 20240111 # 1628Z source: RADB last-modified: 2024-01-11T16:28:17Z rpki-ov-state: valid route: 129.93.50.0/23 origin: AS11546 descr: Used for LPV Athletics locations. admin-c: MDF7-ARIN tech-c: AUDEW1-ARIN tech-c: MDF7-ARIN mnt-by: MNT-UNIVER-248-Z created: 2024-01-11T03:25:32Z last-modified: 2024-01-11T03:25:32Z source: ARIN rpki-ov-state: valid