yeah i should have done this before, i know

net/oui.go

@@ -0,0 +1,54 @@
+package net
+
+import (
+	"strings"
+)
+
+var (
+	oui = make(map[string]string)
+)
+
+func OuiInit() {
+	bytes, err := Asset("net/oui.dat")
+	if err != nil {
+		panic(err)
+	}
+
+	data := string(bytes)
+	lines := strings.Split(data, "\n")
+
+	for lineno, line := range lines {
+		line = strings.Trim(line, " \n\r\t")
+		if len(line) == 0 || line[0] == '#' {
+			continue
+		}
+
+		parts := strings.SplitN(line, " ", 2)
+		if len(parts) != 2 {
+			log.Warningf("Skipping line %d '%s'\n", lineno+1, line)
+			continue
+		}
+
+		prefix := strings.ToLower(strings.Trim(parts[0], " \n\r\t"))
+		vendor := strings.Trim(parts[1], " \n\r\t")
+
+		oui[prefix] = vendor
+	}
+
+	log.Debugf("Loaded %d vendors signatures.\n", len(oui))
+}
+
+func OuiLookup(mac string) string {
+	octects := strings.Split(mac, ":")
+	if len(octects) > 3 {
+		prefix := octects[0] + octects[1] + octects[2]
+
+		if vendor, found := oui[prefix]; found == true {
+			return vendor
+		}
+	} else {
+		log.Warningf("Unexpected mac '%s' in net.OuiLookup\n", mac)
+	}
+
+	return "???"
+}