These entries are queried from radb.net using whois, you can try my project getting these.
:AS14783 route: 198.71.72.0/22 descr: NUANCE COMMUNICATIONS, INC origin: AS14783 mnt-by: MAINT-AS27506 changed: robert.hinst [at] crowncastle.com 20190214 #19:39:41Z source: RADB last-modified: 2023-11-13T15:55:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.4.160.0/24 descr: NUANCE COMMUNICATIONS, INC origin: AS14783 mnt-by: MAINT-AS27506 changed: robert.hinst [at] crowncastle.com 20190214 #19:39:41Z source: RADB last-modified: 2023-11-13T15:55:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source