Try a reverse lookup

  yebyen:~$ host google.com
  google.com has address 172.217.10.46
  google.com has IPv6 address 2607:f8b0:4006:803::200e
  ...

  yebyen:~$ host 172.217.10.46
  46.10.217.172.in-addr.arpa domain name pointer lga34s13-in-f14.1e100.net.