These entries are queried from radb.net using whois, you can try my project getting these.
:AS397595 route: 170.28.201.0/24 descr: Metropolitan Transportation Authority Police Department origin: AS397595 mnt-by: MAINT-AS27506 changed: aday [at] lightower.com 20190606 source: RADB last-modified: 2023-11-13T15:56:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source