icmp

stop := make(chan bool, 2)
ping := NewPing(stop)
if err := ping.Start(); err != nil {
	log.Fatalf("start ping error, %s", err)
}

addr, _ := net.ResolveIPAddr("ip", "example.com")
ttl := 1
for {
	if latency, from, err := ping.Trace(addr, ttl, 2*time.Second); err != nil {
		if _, ok := err.(*errors.ErrTTLExceed); !ok {
			log.Println("timeout")
			break
		}
		log.Printf("%d %+v, %+v", ttl, from, latency)
		ttl++
	} else {
		log.Printf("%d %+v, %+v", ttl, from, latency)
		break
	}
}

Output: