These entries are queried from radb.net using whois, you can try my project getting these.
:AS26976 route: 156.146.2.0/24 descr: Coach, Inc origin: AS26976 mnt-by: MAINT-AS27506 changed: yikehara [at] lightower.com 20190506 source: RADB last-modified: 2023-11-13T15:56:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.146.5.0/24 descr: Tapestry, Inc. origin: AS26976 mnt-by: MAINT-AS27506 changed: yasu.ikehara [at] crowncastle.com 20200501 source: RADB last-modified: 2023-11-13T16:00:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.146.7.0/24 origin: AS26976 descr: V4-PUB-CB-ANNOUNCED remarks: Change Ticket ECR000001546697 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20230301 source: RADB last-modified: 2023-11-13T16:15:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.146.8.0/24 descr: Coach, Inc origin: AS26976 mnt-by: MAINT-AS27506 changed: yikehara [at] lightower.com 20190506 source: RADB last-modified: 2023-11-13T15:56:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source