These entries are queried from radb.net using whois, you can try my project getting these.
:AS18616 route: 52.119.64.0/19 descr: Natural Wireless, LLC. descr: 60 Hudson Street descr: New York, NY 10013 descr: US origin: AS18616 mnt-by: MNT-NWL-20 changed: ethan [at] naturalwireless.com 20171006 source: ARIN rpki-ov-state: valid route: 64.111.64.0/20 descr: Natural Wireless, LLC. descr: 23A Poplar Street descr: East Rutherford, NJ descr: US origin: AS18616 mnt-by: MNT-NWL-20 changed: ethan [at] naturalwireless.com 20160428 source: ARIN rpki-ov-state: valid route: 68.233.176.0/20 descr: Natural Wireless, LLC. descr: 60 Hudson Street descr: New York, NY 10013 descr: US origin: AS18616 mnt-by: MNT-NWL-20 changed: ethan [at] naturalwireless.com 20171017 source: ARIN rpki-ov-state: valid route: 163.182.128.0/19 descr: Natural Wireless, LLC. descr: 60 Hudson Street descr: New York, NY 10013 descr: US origin: AS18616 mnt-by: MNT-NWL-20 changed: ethan [at] naturalwireless.com 20171006 source: ARIN rpki-ov-state: valid route: 198.254.112.0/20 descr: Natural Wireless, LLC. descr: 60 Hudson Street descr: New York, NY 10013 descr: US origin: AS18616 mnt-by: MNT-NWL-20 changed: ethan [at] naturalwireless.com 20171016 source: ARIN rpki-ov-state: valid route6: 2606:fa80::/32 descr: Natural Wireless, LLC. descr: 60 Hudson Street descr: New York, NY 10013 descr: US origin: AS18616 mnt-by: MNT-NWL-20 changed: ethan [at] naturalwireless.com 20210205 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source