These entries are queried from radb.net using whois, you can try my project getting these.
:AS397016 route: 74.81.160.0/21 origin: AS397016 descr: 115 west main st. HAWKEYE IA 52147 United States admin-c: SCHMI917-ARIN tech-c: MJH49-ARIN tech-c: NRB2-ARIN tech-c: PTS7-ARIN tech-c: TLM14-ARIN mnt-by: MNT-HT-406 created: 2020-07-15T18:26:46Z last-modified: 2023-01-09T22:17:25Z source: ARIN rpki-ov-state: valid route: 130.250.138.0/23 origin: AS397016 descr: 115 west main st. HAWKEYE IA 52147 United States admin-c: SCHMI917-ARIN tech-c: MJH49-ARIN tech-c: NRB2-ARIN tech-c: PTS7-ARIN tech-c: TLM14-ARIN mnt-by: MNT-HT-406 created: 2022-06-27T16:12:47Z last-modified: 2023-01-09T22:17:25Z source: ARIN rpki-ov-state: valid