These entries are queried from radb.net using whois, you can try my project getting these.
:AS393774 route: 64.66.44.0/24 origin: AS393774 mnt-by: MNT-NNB-10 tech-c: NETWO8596-ARIN admin-c: NETWO8596-ARIN source: ARIN created: 2020-10-01T17:13:02Z last-modified: 2020-10-01T17:13:02Z descr: MNT-NNB-10 route 064.066.044.000/24 AS393774 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.66.44.0/24 descr: CHTR-NICOLET NATIONAL BANK-Central origin: AS393774 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com 20220324 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.53.76.0/24 descr: CHTR-NICOLET NATIONAL BANK-Central origin: AS393774 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com 20220324 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: valid