Which types of IP addresses should always be blacklisted? APIPA
Experimental
Multicast
Private IP addresses outside of one's own range

private up addresses outside of one's own range

Explanation:

b

professionals can use many types of technology that can them. some examples are, computers (they research and can use for programs for data, they are also used for job applications, school work, and even to make new ideas), speedometers (can get data for unknown data), sometimes something as small as a pen (used for rough drafts, to insert data, and again job applications).

leaning back,   no eye contact,   fidgeting in the seat