Google already knows every IP address. There is a fixed amount. Anyone can send a request to that address.
This doesn't give Google any new information either.
This doesn't give Google any new information either.
ZMap is a fast single-packet network scanner optimized for Internet-wide network surveys. On a computer with a gigabit connection, ZMap can scan the entire public IPv4 address space on a single port in under 45 minutes. With a 10gigE connection and PF_RING, ZMap can scan the IPv4 address space in 5 minutes.