Clean up magic numbers and rename ICMP specific work to differentiate it from any UDP code that shows up
Clean up magic numbers and rename ICMP specific work to differentiate it from any UDP code that shows up

steamclock/internetmap,steamclock/internetmap,steamclock/internetmap,steamclock/internetmap,steamclock/internetmap,steamclock/internetmap,steamclock/internetmap,steamclock/internetmap,steamclock/internetmap