These entries are queried from radb.net using whois, you can try my project getting these.
:AS11736 route: 192.55.228.0/24 origin: AS11736 descr: USD IPv4 Campus 414 E. Clark Street Vermillion SD 57069 United States admin-c: CT509-ARIN tech-c: CLOBE-ARIN tech-c: CT509-ARIN tech-c: KELLY532-ARIN mnt-by: MNT-USD-1-Z created: 2021-11-03T18:34:32Z last-modified: 2021-11-03T18:34:32Z source: ARIN rpki-ov-state: valid route: 192.236.32.0/19 origin: AS11736 descr: USD IPv4 Campus 414 E. Clark Street Vermillion SD 57069 United States admin-c: CT509-ARIN tech-c: CLOBE-ARIN tech-c: CT509-ARIN tech-c: KELLY532-ARIN mnt-by: MNT-USD-1-Z created: 2021-11-03T18:41:53Z last-modified: 2021-11-03T18:41:53Z source: ARIN rpki-ov-state: valid route: 206.176.0.0/20 descr: State of South Dakota - RIS descr: 700 Governor's Drive descr: Pierre, SD 57501 descr: US origin: AS11736 mnt-by: MNT-SDSG changed: jeff.litterick [at] state.sd.us 20210924 source: ARIN rpki-ov-state: valid route: 206.176.0.0/21 descr: State of South Dakota - RIS descr: 700 Governor's Drive descr: Pierre, SD 57501 descr: US origin: AS11736 mnt-by: MNT-SDSG changed: jeff.litterick [at] state.sd.us 20210924 source: ARIN rpki-ov-state: valid route: 206.176.8.0/22 descr: State of South Dakota - RIS descr: 700 Governor's Drive descr: Pierre, SD 57501 descr: US origin: AS11736 mnt-by: MNT-SDSG changed: jeff.litterick [at] state.sd.us 20210924 source: ARIN rpki-ov-state: valid route: 206.176.12.0/23 descr: State of South Dakota - USD descr: 700 Governor's Drive descr: Pierre, SD 57501 descr: US origin: AS11736 mnt-by: MNT-SDSG changed: jeff.litterick [at] state.sd.us 20210924 source: ARIN rpki-ov-state: valid route: 206.176.57.0/24 descr: State of South Dakota - RIS descr: 700 Governor's Drive descr: Pierre, SD 57501 descr: US origin: AS11736 mnt-by: MNT-SDSG changed: jeff.litterick [at] state.sd.us 20210924 source: ARIN rpki-ov-state: valid route: 206.176.58.0/24 descr: State of South Dakota - RIS descr: 700 Governor's Drive descr: Pierre, SD 57501 descr: US origin: AS11736 mnt-by: MNT-SDSG changed: jeff.litterick [at] state.sd.us 20210924 source: ARIN rpki-ov-state: valid route: 206.209.0.0/20 origin: AS11736 descr: USD IPv4 Campus 414 E. Clark Street Vermillion SD 57069 United States admin-c: CT509-ARIN tech-c: CLOBE-ARIN tech-c: CT509-ARIN tech-c: KELLY532-ARIN mnt-by: MNT-USD-1-Z created: 2021-11-03T18:42:31Z last-modified: 2021-11-03T18:42:31Z source: ARIN rpki-ov-state: valid route6: 2607:f558:1800::/40 origin: AS11736 descr: USD IPv6 Campus 414 E. Clark Street Vermillion SD 57069 United States admin-c: CT509-ARIN tech-c: CLOBE-ARIN tech-c: CT509-ARIN tech-c: KELLY532-ARIN mnt-by: MNT-USD-1 created: 2021-11-10T19:01:30Z last-modified: 2021-11-10T19:01:30Z source: ARIN rpki-ov-state: valid route6: 2607:f558:1c00::/40 origin: AS11736 descr: USD IPv6 Campus 414 E. Clark Street Vermillion SD 57069 United States admin-c: CT509-ARIN tech-c: CLOBE-ARIN tech-c: CT509-ARIN tech-c: KELLY532-ARIN mnt-by: MNT-USD-1 created: 2021-11-03T20:10:04Z last-modified: 2021-11-03T20:10:04Z source: ARIN rpki-ov-state: valid