These entries are queried from radb.net using whois, you can try my project getting these.
:AS399120 route: 23.145.0.0/24 descr: RR-RC-DEAN DORTON ALLEN FORD PLLC-Central origin: AS399120 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20210112 #20:25:42Z source: RADB last-modified: 2023-11-13T16:15:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.243.74.0/23 descr: RR-RC-DEAN DORTON ALLEN FORD PLLC-Central origin: AS399120 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20210112 #20:25:42Z source: RADB last-modified: 2023-11-13T16:15:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.243.74.0/24 descr: RR-RC-DEAN DORTON ALLEN FORD PLLC-Central origin: AS399120 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20210112 #20:25:42Z source: RADB last-modified: 2023-11-13T16:15:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:a4:2050::/44 descr: RR-RC-DEAN DORTON ALLEN FORD PLLC-Central origin: AS399120 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20210112 #20:25:42Z source: RADB last-modified: 2023-11-13T16:15:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:a4:2050::/48 descr: RR-RC-DEAN DORTON ALLEN FORD PLLC-Central origin: AS399120 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20210112 #20:25:42Z source: RADB last-modified: 2023-11-13T16:15:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:a4:2051::/48 descr: RR-RC-DEAN DORTON ALLEN FORD PLLC-Central origin: AS399120 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20210112 #20:25:42Z source: RADB last-modified: 2023-11-13T16:15:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source