These entries are queried from radb.net using whois, you can try my project getting these.
:AS394452 route: 157.191.40.0/24 descr: Mckinsey & Company origin: AS394452 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.41.0/24 descr: Mckinsey & Company origin: AS394452 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.44.0/24 descr: Mckinsey & Company origin: AS394452 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.45.0/24 descr: Mckinsey & Company origin: AS394452 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.46.0/24 descr: Mckinsey & Company origin: AS394452 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.80.0/24 descr: Mckinsey & Company origin: AS394452 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.81.0/24 descr: Mckinsey & Company origin: AS394452 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.82.0/24 descr: Mckinsey & Company origin: AS394452 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.83.0/24 descr: Mckinsey & Company origin: AS394452 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.155.0/24 descr: Mckinsey & Company origin: AS394452 mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20170106 #13:25:04Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.246.0/24 origin: AS394452 descr: Mckinsey & Company mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20220310 #21:17:45Z source: RADB last-modified: 2023-11-13T16:10:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 157.191.247.0/24 origin: AS394452 descr: Mckinsey & Company mnt-by: MAINT-AS31547 changed: os_ns [at] mckinsey.com 20220310 #21:18:53Z source: RADB last-modified: 2023-11-13T16:10:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source