Internet Route Registry

These entries are queried from radb.net using whois, you can try my project getting these.

:AS393628

route:          216.3.21.0/24
descr:          Controlco Customer Route
origin:         AS393628
mnt-by:         LEVEL3-MNT
changed:        nathan.ruska [at] level3.com 20170703
source:         LEVEL3
rpki-ov-state:  not_found # No ROAs found, or RPKI validation not enabled for source