These entries are queried from radb.net using whois, you can try my project getting these.
:AS23227 route: 66.11.133.0/24 descr: Stafford Associates 66.11.133.0-24 origin: AS23227 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.134.0/24 descr: Stafford Associates 66.11.133.0-24 origin: AS23227 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid