These entries are queried from radb.net using whois, you can try my project getting these.
:AS32243 route: 63.84.144.0/24 descr: Aluminum Blanking origin: AS32243 remarks: Object registered by New edge for Transit notify: bgpadmin [at] newedgenetworks.com mnt-by: NEWEDGENETS-MNT changed: bgpadmin [at] newedgenetworks.com 20040412 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 147.120.0.0/16 descr: Proxy for South Carolina Research Authority origin: AS32243 mnt-by: MAINT-AS2711 changed: kevin.houck [at] spiritcom.com 20140424 #21:43:18Z source: RADB last-modified: 2023-11-13T15:46:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source