These entries are queried from radb.net using whois, you can try my project getting these.
:AS11659 route: 169.147.0.0/16 descr: University of Kansas Medical Center Kansas City, KS origin: AS11659 admin-c: NETAD8-ARIN tech-c: NETAD8-ARIN remarks: Maintained by KanREN notify: hostmaster [at] kanren.net mnt-by: maint-as2495 changed: nordlund [at] kanren.net 20010409 changed: hostmaster [at] kanren.net 20040304 #03:10:40(UTC) source: RADB last-modified: 2023-11-13T15:39:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.147.0.0/17 origin: AS11659 descr: University of Kansas Medical Center 3901 Rainbow Blvd Kansas City KS 66160 United States admin-c: DA668-ARIN tech-c: CHAPO-ARIN tech-c: CRANE121-ARIN tech-c: DA668-ARIN tech-c: IVANK9-ARIN mnt-by: MNT-UKMC-Z created: 2023-11-28T14:08:44Z last-modified: 2023-11-28T15:51:50Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.147.0.0/17 descr: University of Kansas Medical Center Kansas City, KS origin: AS11659 remarks: Maintained by KanREN notify: hostmaster [at] kanren.net mnt-by: MAINT-AS2495 changed: bdfleming [at] kanren.net 20181114 #16:15:25Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.147.2.0/24 descr: University of Kansas Medical Center Hospital Kansas City, KS origin: AS11659 remarks: Maintained by KanREN mnt-by: MAINT-AS2495 changed: bdfleming [at] kanren.net 20181108 #15:29:37Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.147.160.0/20 descr: University of Kansas Medical Center Kansas City, KS origin: AS11659 remarks: Maintained by KanREN mnt-by: MAINT-AS2495 changed: bdfleming [at] kanren.net 20181108 #15:36:45Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.147.208.0/20 origin: AS11659 descr: University of Kansas Medical Center 3901 Rainbow Blvd Kansas City KS 66160 United States admin-c: DA668-ARIN tech-c: CHAPO-ARIN tech-c: CRANE121-ARIN tech-c: DA668-ARIN tech-c: IVANK9-ARIN mnt-by: MNT-UKMC-Z created: 2023-07-11T20:43:33Z last-modified: 2023-11-28T15:51:50Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.147.208.0/21 descr: University of Kansas Medical Center Hospital Kansas City, KS origin: AS11659 remarks: Maintained by KanREN mnt-by: MAINT-AS2495 changed: bdfleming [at] kanren.net 20181108 #15:30:27Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.147.216.0/21 descr: University of Kansas Medical Center Hospital Kansas City, KS origin: AS11659 remarks: Maintained by KanREN mnt-by: MAINT-AS2495 changed: bdfleming [at] kanren.net 20181108 #15:31:21Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.147.224.0/19 descr: University of Kansas Medical Center Hospital Kansas City, KS origin: AS11659 remarks: Maintained by KanREN mnt-by: MAINT-AS2495 changed: bdfleming [at] kanren.net 20181108 #17:28:57Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.147.252.0/22 origin: AS11659 descr: University of Kansas Medical Center 3901 Rainbow Blvd Kansas City KS 66160 United States admin-c: DA668-ARIN tech-c: CHAPO-ARIN tech-c: CRANE121-ARIN tech-c: DA668-ARIN tech-c: IVANK9-ARIN mnt-by: MNT-UKMC-Z created: 2023-07-11T20:44:13Z last-modified: 2023-11-28T15:51:50Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.147.252.0/24 descr: University of Kansas Medical Center Hospital Kansas City, KS origin: AS11659 remarks: Maintained by KanREN mnt-by: MAINT-AS2495 changed: bdfleming [at] kanren.net 20181108 #15:32:14Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.147.253.0/24 descr: University of Kansas Medical Center Hospital Kansas City, KS origin: AS11659 remarks: Maintained by KanREN mnt-by: MAINT-AS2495 changed: bdfleming [at] kanren.net 20181108 #15:32:59Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.147.254.0/24 descr: University of Kansas Medical Center Hospital Kansas City, KS origin: AS11659 remarks: Maintained by KanREN mnt-by: MAINT-AS2495 changed: bdfleming [at] kanren.net 20181108 #15:33:52Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.147.255.0/24 descr: University of Kansas Medical Center Hospital Kansas City, KS origin: AS11659 remarks: Maintained by KanREN mnt-by: MAINT-AS2495 changed: bdfleming [at] kanren.net 20181108 #15:34:38Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:49d0:80::/42 origin: AS11659 descr: University of Kansas Medical Center 3901 Rainbow Blvd Kansas City, KS 66160 remarks: University of Kansas Medical Center 3901 Rainbow Blvd Kansas City, KS 66160 admin-c: KANRE-ARIN tech-c: NETAD8-ARIN mnt-by: MNT-KREN created: 2022-08-25T19:35:40Z last-modified: 2023-08-07T16:10:35Z source: ARIN rpki-ov-state: valid