These entries are queried from radb.net using whois, you can try my project getting these.
:AS25750 route: 64.30.34.0/24 descr: RR-RC-Southwestern VT Medical-Northeast origin: AS25750 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200608 #06:05:35Z source: RADB last-modified: 2023-11-13T16:15:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.237.51.0/24 descr: Southwestern Vermont Health Care origin: AS25750 mnt-by: MAINT-TVC changed: dan [at] firstlight.net 20180913 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.237.51.0/24 descr: SW Vermont Medical Center origin: AS25750 mnt-by: ONECOMM-MNT changed: ewallace [at] corp.earthlink.com 20111213 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source