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: Proxy-registered route object origin: AS23227 remarks: This route object is for a BtN customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some BtN peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact peering [at] cais.net if you have any remarks: questions regarding this object. mnt-by: MAINT-AS3491 changed: sajwani [at] pccwbtn.com 20080617 source: RADB last-modified: 2023-11-13T15:42:38Z 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