These entries are queried from radb.net using whois, you can try my project getting these.
:AS6472 route: 207.126.64.0/19 descr: NETASSET-1 origin: AS6472 notify: noc [at] cologuys.com mnt-by: MAINT-NETASSET changed: noc [at] cologuys.com 20220722 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.135.0.0/19 descr: NETASSET-1 origin: AS6472 notify: noc [at] cologuys.com mnt-by: MAINT-NETASSET changed: noc [at] cologuys.com 20220722 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.135.16.0/20 descr: NETASSET-1-2 origin: AS6472 notify: noc [at] cologuys.com mnt-by: MAINT-NETASSET changed: noc [at] cologuys.com 20220716 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source