These entries are queried from radb.net using whois, you can try my project getting these.
:AS6077 route: 198.203.221.0/24 descr: BCBS-2 origin: AS6077 mnt-by: MAINT-AS13807 changed: jclingan [at] gpcom.com 20181116 #15:14:53Z source: RADB last-modified: 2023-11-13T15:57:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.68.226.0/24 descr: BCBS-3 origin: AS6077 mnt-by: MAINT-AS13807 changed: jclingan [at] gpcom.com 20181116 #15:16:07Z source: RADB last-modified: 2023-11-13T15:57:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.137.0.0/21 descr: BCBS-1 origin: AS6077 mnt-by: MAINT-AS13807 changed: jclingan [at] gpcom.com 20181116 #15:17:17Z source: RADB last-modified: 2023-11-13T15:57:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.137.0.0/22 origin: AS6077 descr: BCBS-1-1 mnt-by: MAINT-AS13807 changed: dhoer [at] gpcom.com 20240125 # 2203Z source: RADB last-modified: 2024-01-25T22:03:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.137.4.0/22 origin: AS6077 descr: BCBS-1-2 mnt-by: MAINT-AS13807 changed: dhoer [at] gpcom.com 20240125 # 2204Z source: RADB last-modified: 2024-01-25T22:04:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source