These entries are queried from radb.net using whois, you can try my project getting these.
:AS30366 route: 70.39.244.0/22 origin: AS30366 descr: Egress from: 12100 Sunrise Valley Drive, Reston, VA 20191 2 Emerson Ln, Secaucus, NJ 07094 Managed by Rhythmic NOCrhythmic.net> admin-c: DANIL-ARIN tech-c: DANIL-ARIN mnt-by: MNT-RT created: 2021-02-10T23:21:54Z last-modified: 2021-02-10T23:21:54Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source