For example, if the IP address prefix is 10.0.0.0/16 and the maximum length is 22, the AS is authorised to advertise any prefix under 10.0.0.0/16, as long as it is no more specific than /22.
例如，如果IP地址前缀为10.0/16，最大长度为22，则该AS被授权宣告10.0/16下的任何前缀，只要没有超出/22的范围。