ping, ping, ping, ping, ping, ping, ping && ping!

ping.rb

require 'socket'
include Socket::Constants

begin
  sock = Socket.new AF_INET, SOCK_RAW, IPPROTO_ICMP
rescue Errno::EPERM
  $stderr.puts "[!] Run with root privileges."
  exit 1
end

iface = Socket.getifaddrs.select { |i| i.addr.ipv4? && i.broadaddr }.first.name

sock.setsockopt SOL_SOCKET, SO_BINDTODEVICE, iface
data = [0x08, 0x00, 0x89, 0x98, 0x6e, 0x63, 0x00, 0x04, 0x00].pack 'C*'
sock.send data, 0, Socket.sockaddr_in(0, '8.8.8.8')

r = Socket.select [sock], [], [], 1

if r.first
  reply = sock.recv sock.nread
  peer_addr = reply.byteslice(12,4).unpack('C*') * '.'
  puts "Received (icmp) message from #{peer_addr}\n\tRAW: #{reply}"
end