These entries are queried from radb.net using whois, you can try my project getting these.
:AS26304 route: 139.60.227.0/24 descr: proxy entry for Coborn's Inc. origin: AS26304 mnt-by: MAINT-CHTR-WD changed: nicholas.etnoyer [at] charter.com 20180730 #17:48:02Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.202.114.0/24 descr: proxy entry Coborn???s Inc origin: AS26304 mnt-by: MAINT-CHTR-WD changed: nicholas.etnoyer [at] charter.com 20180813 #18:17:01Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.202.115.0/24 descr: proxy entry Coborn???s Inc origin: AS26304 mnt-by: MAINT-CHTR-WD changed: nicholas.etnoyer [at] charter.com 20180813 #18:17:43Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source