Question: What is the IPv6 routing prefix of the higher education institution that is located in Basel?
Choices:
2001:610:4a0::/47
2620:0:860::/46
2001:630:21::/48
2001:620:200::/48
2001:630:35::/56
2001:7c0:100::/48
2001:6b0:5::/48
2001:630:1b::/48
2a03:b600:643::/107
2a03:b600:657::/107