Question: What is the IPv4 routing prefix of the university affiliated with Guildhall School of Music and Drama?
Choices:
66.87.0.0/16
195.70.193.0/24
156.94.0.0/16
138.40.0.0/16
208.80.152.0/22
158.94.0.0/16
131.183.0.0/16
166.17.0.0/16
193.50.166.0/24
193.166.128.0/22