These entries are queried from radb.net using whois, you can try my project getting these.
:AS693 route: 66.205.160.0/20 origin: AS693 descr: University of Notre Dame remarks: University of Notre Dame remarks: contact noc [at] indiana.gigapop.net if you have questions. remarks: abuse contact is abuse [at] iu.edu mnt-by: Maint-iu changed: sweeny [at] indiana.edu 20040323 source: RADB last-modified: 2023-11-13T15:47:49Z rpki-ov-state: valid route: 66.254.224.0/19 origin: AS693 descr: University of Notre Dame remarks: University of Notre Dame remarks: contact noc [at] indiana.gigapop.net if you have questions. remarks: abuse contact is abuse [at] iu.edu mnt-by: Maint-iu changed: sweeny [at] indiana.edu 20040323 source: RADB last-modified: 2023-11-13T15:47:49Z rpki-ov-state: valid route: 129.74.0.0/16 origin: AS693 descr: University of Notre Dame remarks: University of Notre Dame remarks: contact noc [at] indiana.gigapop.net if you have questions. remarks: abuse contact is abuse [at] iu.edu mnt-by: Maint-iu changed: sweeny [at] indiana.edu 20040323 source: RADB last-modified: 2023-11-13T15:47:49Z rpki-ov-state: valid route6: 2620:0:2f00::/41 descr: University of Notre Dame origin: AS693 remarks: University of Notre Dame remarks: contact noc [at] indiana.gigapop.net if you have questions. remarks: abuse contact is abuse [at] iu.edu mnt-by: MAINT-IU changed: wtjohnso [at] globalnoc.iu.edu 20180409 #00:06:30Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source