These entries are queried from radb.net using whois, you can try my project getting these.
:AS394604 route: 50.234.42.0/24 descr: Xaverian Brothers High School origin: AS394604 mnt-by: MAINT-AS27506 changed: probillard [at] lightower.com 20160408 source: RADB last-modified: 2023-11-13T15:49:06Z rpki-ov-state: valid route6: 2a0e:aa07:f00c::/46 origin: AS394604 descr: Xaverian Brothers High School notify: licensing [at] xbhs.com mnt-by: XBHS-MNT created: 2019-04-29T18:23:50Z last-modified: 2019-05-07T18:25:04Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid