These entries are queried from radb.net using whois, you can try my project getting these.
:AS14834 route: 69.67.112.0/20 origin: AS14834 descr: University of Illinois at Springfield admin-c: PWI34 tech-c: PWI34 mnt-by: MAINT-AS38 changed: iccn-ops-l [at] listserv.illinois.edu 20230207 #13:40:49Z source: RADB last-modified: 2023-11-13T16:14:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.102.230.0/24 origin: AS14834 descr: University of Illinois at Springfield admin-c: PWI34 tech-c: PWI34 mnt-by: MAINT-AS38 changed: iccn-ops-l [at] listserv.illinois.edu 20230207 #13:44:32Z source: RADB last-modified: 2023-11-13T16:14:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:c:4000::/48 descr: UIS IPv6 Allocation origin: AS14834 mnt-by: MAINT-AS38 changed: net-trouble [at] illinois.edu 20161201 #18:51:43Z source: RADB last-modified: 2023-11-13T15:50:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source