redirected?you can do a tracert to find out the detailed routing path and understand that somehow Microsoft's download is deployed inside NUS network to intranet users.
my guess
result
i c....
tracert download.microsoft.com
Tracing route to a767.ms.akamai.net [137.132.3.72]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 208-3.priv19.nus.edu.sg [172.19.208.3]
2 <1 ms <1 ms <1 ms core-pgp-vlan152.priv.nus.edu.sg [172.18.20.149]
3 <1 ms <1 ms <1 ms svrfrm2-pgp-vlan168.priv.nus.edu.sg [172.18.20.1
02]
4 1 ms 1 ms 1 ms wd-proxyfarm-f1-802.nus.edu.sg [137.132.3.3]
5 2 ms 2 ms 5 ms gk-proxyfarm-f1-802.nus.edu.sg [137.132.3.2]
6 3 ms 2 ms 4 ms a137-132-3-72.deploy.akamaitechnologies.com [137
.132.3.72]
Trace complete.
tracert download.microsoft.com
Tracing route to a767.ms.akamai.net [137.132.3.72]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 208-3.priv19.nus.edu.sg [172.19.208.3]
2 <1 ms <1 ms <1 ms core-pgp-vlan152.priv.nus.edu.sg [172.18.20.149]
3 <1 ms <1 ms <1 ms svrfrm2-pgp-vlan168.priv.nus.edu.sg [172.18.20.1
02]
4 1 ms 1 ms 1 ms wd-proxyfarm-f1-802.nus.edu.sg [137.132.3.3]
5 2 ms 2 ms 5 ms gk-proxyfarm-f1-802.nus.edu.sg [137.132.3.2]
6 3 ms 2 ms 4 ms a137-132-3-72.deploy.akamaitechnologies.com [137
.132.3.72]
Trace complete.
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