These entries are queried from radb.net using whois, you can try my project getting these.
:AS396027 route: 23.140.192.0/24 origin: AS396027 descr: Route for Portage Public Schools member-of: AS19653:RS-AS396027 mnt-by: MAINT-AS19653 changed: ssurdock [at] engineered-net.com 20200401 #09:26:45Z source: RADB last-modified: 2023-11-13T16:00:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 172.84.130.0/24 origin: AS396027 descr: Portage Public Schools member-of: AS19653:RS-AS396027 mnt-by: MAINT-AS19653 changed: ssurdock [at] engineered-net.com 20200401 #09:25:03Z source: RADB last-modified: 2023-11-13T16:00:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:16:e000::/48 descr: CHTR-PORTAGE PUBLIC SCHOOLS-NYC origin: AS396027 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: publicipaddressing [at] charter.com 20210120 #04:15:10Z source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source