These entries are queried from radb.net using whois, you can try my project getting these.
:AS14235 route: 164.64.0.0/16 descr: SNM update origin: AS14235 mnt-by: TLSN-MNT changed: jrobinson2524 [at] gmail.com 20200518 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:1900:2261:925::/64 descr: NMDIF origin: AS14235 mnt-by: TLSN-MNT changed: tyrel.knudsen [at] lumen.com 20230110 source: LEVEL3 last-modified: 2023-01-10T10:03:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2605:5940::/32 descr: NMDIF origin: AS14235 mnt-by: TLSN-MNT changed: jrobinson2524 [at] gmail.com 20210519 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source