These entries are queried from radb.net using whois, you can try my project getting these.
:AS398050 route: 216.237.240.0/20 origin: AS398050 descr: Clearnetworx customer - Town of Mountain Village - AS398050 mnt-by: MAINT-AS398050 changed: admin [at] clearnetworx.com 20211019 #22:31:37Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.237.240.0/24 origin: AS398050 descr: Proxy route for AS398050 mnt-by: MAINT-AS398050 changed: jeremy [at] vcn.com 20200312 #17:04:56Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.237.241.0/24 origin: AS398050 descr: Proxy route for AS398050 mnt-by: MAINT-AS398050 changed: jeremy [at] vcn.com 20200312 #17:05:18Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.237.242.0/24 origin: AS398050 descr: Proxy route for AS398050 mnt-by: MAINT-AS398050 changed: jeremy [at] vcn.com 20200312 #17:05:38Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.237.243.0/24 origin: AS398050 descr: Proxy route for AS398050 mnt-by: MAINT-AS398050 changed: jeremy [at] vcn.com 20200312 #17:05:56Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.237.244.0/24 origin: AS398050 descr: Proxy route for AS398050 mnt-by: MAINT-AS398050 changed: jeremy [at] vcn.com 20200312 #17:06:24Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.237.245.0/24 origin: AS398050 descr: Proxy route for AS398050 mnt-by: MAINT-AS398050 changed: jeremy [at] vcn.com 20200312 #17:06:40Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.237.247.0/24 origin: AS398050 descr: Proxy route for AS398050 mnt-by: MAINT-AS398050 changed: jeremy [at] vcn.com 20200312 #17:06:56Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.237.248.0/24 origin: AS398050 descr: Proxy route for AS398050 mnt-by: MAINT-AS398050 changed: jeremy [at] vcn.com 20200312 #17:07:56Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.237.251.0/24 origin: AS398050 descr: Proxy route for AS398050 mnt-by: MAINT-AS398050 changed: jeremy [at] vcn.com 20200312 #17:08:27Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.237.252.0/24 origin: AS398050 descr: Proxy route for AS398050 mnt-by: MAINT-AS398050 changed: jeremy [at] vcn.com 20200312 #17:08:51Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.237.253.0/24 origin: AS398050 descr: Town of Mountain Village mnt-by: MAINT-AS398050 changed: jsoukup [at] mtnvillage.org 20211025 #16:47:28Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.237.254.0/24 origin: AS398050 descr: Proxy route for AS398050 mnt-by: MAINT-AS398050 changed: jeremy [at] vcn.com 20200312 #17:11:44Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source