These entries are queried from radb.net using whois, you can try my project getting these.
:AS11817 route: 66.11.128.0/20 descr: Stafford Associates 66.11.128.0-20 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.128.0/24 descr: Stafford Associates 66.11.128.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.129.0/24 descr: Stafford Associates 66.11.129.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.130.0/24 descr: Stafford Associates 66.11.130.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.131.0/24 descr: Stafford Associates 66.11.131.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.132.0/24 descr: Stafford Associates 66.11.132.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.135.0/24 descr: Stafford Associates 66.11.135.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.136.0/24 descr: Stafford Associates 66.11.136.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.137.0/24 descr: Stafford Associates 66.11.137.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.138.0/24 descr: Stafford Associates 66.11.138.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.139.0/24 descr: Stafford Associates 66.11.139.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.140.0/24 descr: Stafford Associates 66.11.140.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.141.0/24 descr: Stafford Associates 66.11.141.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.142.0/24 descr: Stafford Associates 66.11.142.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.143.0/24 descr: Stafford Associates 66.11.143.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: valid route: 66.11.144.0/24 descr: Stafford Associates 66.11.144.0-24 origin: AS11817 mnt-by: MAINT-AS11817 changed: hhinteman [at] staffordassociates.com 20201216 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 163.123.218.0/24 descr: Stafford Associates origin: AS11817 mnt-by: MAINT-AS27506 changed: nicholas.noda [at] crowncastle.com 20201123 source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.68.168.0/24 descr: LIGHTOWER-STAFFORD ASSOCIATES origin: AS11817 mnt-by: MAINT-AS27506 changed: dataoperations [at] sidera.net 20130726 #14:43:59Z source: RADB last-modified: 2023-11-13T15:45:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.89.131.0/24 descr: LIGHTOWER-STAFFORD ASSOCIATES origin: AS11817 mnt-by: MAINT-AS27506 changed: dataoperations [at] sidera.net 20130726 #14:41:37Z source: RADB last-modified: 2023-11-13T15:45:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source