These entries are queried from radb.net using whois, you can try my project getting these.
:AS14388 route: 12.156.12.0/24 descr: Bronco Wine Co. Ceres, CA origin: AS14388 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100519 #19:51:10Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.208.142.0/24 origin: AS14388 descr: CHTR-BRONCO WINE-Northwest admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAddressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: publicipaddressing [at] charter.com 20230227 #19:20:06Z source: RADB last-modified: 2023-11-13T16:15:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 35.131.81.0/24 mnt-by: MAINT-CHTR-WD origin: AS14388 descr: RR-RC-CHTR-Bronco Wine Co-West admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN changed: PublicIPAdressing [at] charter.com 20230530 source: RADB last-modified: 2023-11-13T16:17:25Z rpki-ov-state: valid route: 50.237.195.0/24 descr: CHTR-BRONCO WINE COMPANY-West origin: AS14388 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com source: RADB last-modified: 2024-03-08T16:58:50Z rpki-ov-state: valid