These entries are queried from radb.net using whois, you can try my project getting these.
:AS398071 route: 206.227.70.0/24 origin: AS398071 descr: Class C network for Costa Mesa, CA 206.227.70.0/24 admin-c: ACSCA-ARIN tech-c: ACSCT-ARIN mnt-by: MNT-ACSC-1 created: 2021-11-16T17:45:07Z last-modified: 2021-11-16T17:45:07Z source: ARIN rpki-ov-state: valid route: 206.227.71.0/24 origin: AS398071 descr: Class C network for Costa Mesa, CA 206.227.70.0/24 admin-c: ACSCA-ARIN tech-c: ACSCT-ARIN mnt-by: MNT-ACSC-1 created: 2021-11-16T17:47:17Z last-modified: 2021-11-16T17:47:17Z source: ARIN rpki-ov-state: valid route: 206.227.72.0/24 origin: AS398071 descr: Class C network for Costa Mesa, CA 206.227.70.0/24 admin-c: ACSCA-ARIN tech-c: ACSCT-ARIN mnt-by: MNT-ACSC-1 created: 2021-11-16T17:48:08Z last-modified: 2021-11-16T17:48:08Z source: ARIN rpki-ov-state: valid