// Copyright 2023 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .

package netpackets

// IsLocalRawIPv4 使用原始IP数据判断是否为本地IPv4
func IsLocalRawIPv4(ip []byte) bool {
	if len(ip) != 4 {
		return false
	}
	if ip[0] == 127 ||
		ip[0] == 10 ||
		(ip[0] == 172 && ip[1]&0xf0 == 16) ||
		(ip[0] == 192 && ip[1] == 168) {
		return true
	}

	return false
}