These entries are queried from radb.net using whois, you can try my project getting these.
:AS26934 route: 128.206.0.0/16 descr: University of Missouri -Columbia origin: AS26934 mnt-by: MAINT-AS2572 changed: noc [at] more.net 20090915 #21:14:16Z source: RADB last-modified: 2023-11-13T15:40:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.206.250.0/24 descr: Subnet of 128.206.0.0/16 origin: AS26934 mnt-by: MAINT-AS2572 changed: noc [at] more.net 20141208 #21:38:12Z source: RADB last-modified: 2023-11-13T15:47:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.206.251.0/24 descr: subnet of 128.206.0.0/16 origin: AS26934 mnt-by: MAINT-AS2572 changed: noc [at] more.net 20141208 #21:38:42Z source: RADB last-modified: 2023-11-13T15:47:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 161.130.0.0/16 descr: University of Missouri - Hospital origin: AS26934 mnt-by: MAINT-AS2572 changed: noc [at] more.net 20090915 #21:14:16Z source: RADB last-modified: 2023-11-13T15:40:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 161.130.188.0/24 descr: Subnet of 161.130.0.0/16 origin: AS26934 mnt-by: MAINT-AS2572 changed: noc [at] more.net 20141208 #21:39:16Z source: RADB last-modified: 2023-11-13T15:47:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 161.130.189.0/24 descr: Subnet of 161.130.0.0/16 origin: AS26934 mnt-by: MAINT-AS2572 changed: noc [at] more.net 20141208 #21:39:42Z source: RADB last-modified: 2023-11-13T15:47:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.209.48.0/20 descr: UM delegated range origin: AS26934 mnt-by: MAINT-AS2572 changed: noc [at] more.net 20141208 #21:40:16Z source: RADB last-modified: 2023-11-13T15:47:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.209.50.0/24 descr: UM delegated range origin: AS26934 mnt-by: MAINT-AS2572 changed: noc [at] more.net 20141208 #21:40:39Z source: RADB last-modified: 2023-11-13T15:47:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.160.151.0/24 descr: University of Missouri - System origin: AS26934 mnt-by: MAINT-AS2572 changed: noc [at] more.net 20090915 #21:14:16Z source: RADB last-modified: 2023-11-13T15:40:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.160.152.0/21 descr: UM delegated range origin: AS26934 mnt-by: MAINT-AS2572 changed: noc [at] more.net 20141208 #21:41:03Z source: RADB last-modified: 2023-11-13T15:47:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.106.228.0/22 descr: UM delegated range origin: AS26934 mnt-by: MAINT-AS2572 changed: noc [at] more.net 20141208 #21:41:58Z source: RADB last-modified: 2023-11-13T15:47:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2610:e0:a000::/48 origin: AS26934 descr: University of MIssouri, Columbia mnt-by: MAINT-AS2572 changed: noc [at] more.net 20200611 #19:17:34Z source: RADB last-modified: 2023-11-13T16:00:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2610:e0:a010::/44 origin: AS26934 descr: University of Missouri Inter-Campus Network mnt-by: MAINT-AS2572 changed: noc [at] more.net 20190701 #19:13:53Z source: RADB last-modified: 2023-11-13T15:56:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source