Drag and drop organization that is responsible for allocating IP addresses.

[PlAwAnSaI]

Drag and drop the organization that is responsible for allocating IP addresses from the left to the boxes on the right, arranging them from the highest to the lowest ranking authority in the hierarchy.

RIR	|	highest authority
ISP	|	2nd highest authority
NIR/LIR	|	3rd highest authority
IANA	|	lowest authority

A. RIR
ISP
NIR/LIR
IANA
B. ISP
NIR/LIR
IANA
RIR
C. IANA
RIR
NIR/LIR
ISP
D. RIR
NIR/LIR
ISP
IANA