These entries are queried from radb.net using whois, you can try my project getting these.
:AS1998 route: 64.8.128.0/18 descr: NET-MSUS-NET Minnesota State University System Computer Services MSU 45 Mankato State University Mankato, MN 56002-8400 origin: AS1998 admin-c: NO21-ORG-ARIN tech-c: NO21-ORG-ARIN notify: farmer [at] umn.edu mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20141216 #22:12:02Z 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: 151.111.0.0/16 descr: Minnesota Department of Transportation 395 John Ireland Boulevard St. Paul MN 55155, USA origin: AS1998 admin-c: NO21-ORG-ARIN tech-c: NO21-ORG-ARIN notify: farmer [at] umn.edu mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20141216 #22:27:28Z 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: 156.98.0.0/15 descr: NET-MINNESOTADOA State of Minnesota Department of Administration, State of Minnesota 658 Cedar Street 500 Centennial Office Building St Paul, MN 55155 origin: AS1998 admin-c: NO21-ORG-ARIN tech-c: NO21-ORG-ARIN notify: farmer [at] umn.edu mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20141216 #22:27:53Z 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: 192.112.135.0/24 descr: STATE-MN-US3 Office of Enterprise Technology, State of Minnesota 658 Cedar St, Centennial Office Building ST PAUL MN 55155 origin: AS1998 admin-c: NO21-ORG-ARIN tech-c: NO21-ORG-ARIN notify: farmer [at] umn.edu mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20141216 #21:37:36Z 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: 192.112.136.0/24 descr: STATE-MN-US4 Office of Enterprise Technology, State of Minnesota 658 Cedar St, Centennial Office Building ST PAUL MN 55155 origin: AS1998 admin-c: NO21-ORG-ARIN tech-c: NO21-ORG-ARIN notify: farmer [at] umn.edu mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20141216 #21:40:45Z 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: 192.112.137.0/24 descr: STATE-MN-US5 Office of Enterprise Technology, State of Minnesota 658 Cedar St, Centennial Office Building ST PAUL MN 55155 origin: AS1998 admin-c: NO21-ORG-ARIN tech-c: NO21-ORG-ARIN notify: farmer [at] umn.edu mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20141216 #21:42:52Z 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: 192.133.60.0/24 descr: NET-MJCNET Minnesota Supreme Court MJC 25 Constitution Av ST PAUL MN 55155 origin: AS1998 admin-c: NO21-ORG-ARIN tech-c: NO21-ORG-ARIN notify: registrar [at] nts.umn.edu mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20030918 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.156.191.0/24 descr: STATE-MN-US7 Office of Enterprise Technology, State of Minnesota 658 Cedar St, Centennial Office Building ST PAUL MN 55155 origin: AS1998 admin-c: NO21-ORG-ARIN tech-c: NO21-ORG-ARIN notify: farmer [at] umn.edu mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20141216 #21:54:02Z 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: 192.234.247.0/24 descr: STATE-MN-US8 Office of Enterprise Technology, State of Minnesota 658 Cedar St, Centennial Office Building ST PAUL MN 55155 origin: AS1998 admin-c: NO21-ORG-ARIN tech-c: NO21-ORG-ARIN notify: farmer [at] umn.edu mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20141216 #22:05:36Z 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: 207.171.64.0/18 descr: NETBLK-STATE-MN-US State of Minnesota - InterTechnologies Group Department of Administration, State of Minnesota 658 Cedar Street 500 Centennial Office Building St. Paul, MN 55155 origin: AS1998 admin-c: NO21-ORG-ARIN tech-c: NO21-ORG-ARIN notify: farmer [at] umn.edu mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20141216 #22:31:26Z 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: 2607:f830::/32 descr: SOMN-6-01 State of Minnesota Department of Administration, State of Minnesota 658 Cedar Street 500 Centennial Office Building St Paul, MN 55155 origin: AS1998 mnt-by: MAINT-AS217 changed: farmer [at] umn.edu 20110516 #23:21:14Z source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source