These entries are queried from radb.net using whois, you can try my project getting these.
:AS53293 route: 12.8.59.0/24 descr: CHTR-Samsung SDS America Inc-Texas origin: AS53293 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com 20230921 source: RADB last-modified: 2023-11-13T16:18:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 71.40.21.0/24 descr: RR-RC-SAMSUNG SDSA-Texas origin: AS53293 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20201030 #20:28:44Z source: RADB last-modified: 2023-11-13T16:15:20Z rpki-ov-state: valid route: 150.220.161.0/24 mnt-by: MAINT-RR origin: AS53293 descr: RR-RC-CHTR-Samsung SDS America-Texas admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN changed: PublicIPAdressing [at] charter.com 20230726 source: RADB last-modified: 2023-11-13T16:17:49Z rpki-ov-state: valid route: 198.245.14.0/24 descr: Amber Tech C12 Capital origin: AS53293 mnt-by: MAINT-AS27506 changed: probillard [at] lightower.com 20140825 source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.207.40.0/24 origin: AS53293 descr: Proxy-registered route object mnt-by: MAINT-AS3900 changed: rmcintyre [at] datafoundry.com 20201020 #13:32:47Z source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source