These entries are queried from radb.net using whois, you can try my project getting these.
:AS393915 route: 158.51.241.0/24 origin: AS393915 descr: Sinclair_Hospitality mnt-by: MAINT-AS13415 changed: ambrose.curtis [at] firstdigital.com 20230504 #21:48:12Z source: RADB last-modified: 2023-11-13T16:17:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 158.51.241.0/24 descr: Mettel- 158.51.241.0/24 origin: AS393915 notify: networkservices3 [at] mettel.net remarks: Proxy add for customer GAHR mnt-by: MAINT-METROP-63 changed: vpatel [at] mettel.net source: NTTCOM last-modified: 2023-08-14T16:39:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 158.51.242.0/24 descr: Mettel- 158.51.242.0/24 origin: AS393915 notify: networkservices3 [at] mettel.net remarks: Proxy add for customer GAHR mnt-by: MAINT-METROP-63 changed: vpatel [at] mettel.net source: NTTCOM last-modified: 2023-08-14T16:42:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source