These entries are queried from radb.net using whois, you can try my project getting these.
:AS916 route: 23.137.168.0/24 origin: AS916 descr: Stalwart Wireless admin-c: KEMEN-ARIN tech-c: KEMEN-ARIN mnt-by: MNT-DL-811 created: 2022-08-27T02:04:44Z last-modified: 2022-08-27T02:04:44Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:fb5c::/40 origin: AS916 descr: Stalwart Wireless admin-c: KEMEN-ARIN tech-c: KEMEN-ARIN mnt-by: MNT-DL-811 created: 2022-08-27T02:04:14Z last-modified: 2022-08-27T02:04:14Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source