These entries are queried from radb.net using whois, you can try my project getting these.
:AS397120 route: 23.128.240.0/24 descr: Chemung County, New York origin: AS397120 mnt-by: MAINT-TVC changed: rwhite [at] firstlight.net 20190801 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:fe15::/36 descr: Chemung County, New York origin: AS397120 mnt-by: MAINT-TVC changed: rwhite [at] firstlight.net 20190801 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source