These entries are queried from radb.net using whois, you can try my project getting these.
:AS398328 route: 23.160.208.0/24 origin: AS398328 descr: https://ian.sh admin-c: CARRO365-ARIN tech-c: CARRO365-ARIN mnt-by: MNT-LL-931 created: 2020-06-19T00:48:28Z last-modified: 2021-09-30T20:42:36Z source: ARIN rpki-ov-state: valid route: 174.136.248.0/24 origin: AS398328 descr: Localhost LLC originates routes for security research. admin-c: CARRO365-ARIN tech-c: CARRO365-ARIN mnt-by: MNT-LL-931 created: 2022-01-08T07:28:10Z last-modified: 2022-01-08T07:28:10Z source: ARIN rpki-ov-state: valid route6: 2602:fd46::/36 origin: AS398328 descr: MNT-IC-1618 route 2602:FD46:0000:0000:0000:0000:0000:0000/36 AS398328 admin-c: CARRO365-ARIN tech-c: CARRO365-ARIN mnt-by: MNT-LL-931 created: 2020-06-10T20:18:12Z last-modified: 2021-09-30T20:42:36Z source: ARIN rpki-ov-state: valid