These entries are queried from radb.net using whois, you can try my project getting these.
:AS14484 route: 204.10.211.0/24 descr: Who's calling route origin: AS14484 mnt-by: WHOSC2-MNT changed: tj.dupree [at] level3.com 20061120 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.10.211.0/24 descr: Spectrum Networks LLC proxy registration noc [at] spectrumnet.us for removal origin: AS14484 mnt-by: MAINT-AS11404 changed: john [at] vanoppen.com 20080709 #16:45:50Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.10.212.0/24 descr: Who's calling route origin: AS14484 mnt-by: WHOSC2-MNT changed: tj.dupree [at] level3.com 20061120 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.10.212.0/24 descr: Spectrum Networks LLC proxy registration noc [at] spectrumnet.us for removal origin: AS14484 mnt-by: MAINT-AS11404 changed: john [at] vanoppen.com 20080709 #16:46:09Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source