As of 3/12/2015


Skype servers:

157.55.130.141:40018
bn1msgr2012114.gateway.edge.messenger.live.com:https (134.170.25.55)
91.190.218.62:12350


MSN servers:

96.17.193.31:https
23.79.157.236:https
23.99.221.17
65.55.5.24

157.55.130.141:40018
157.56.116.208:12350
bn1msgr1012803.gateway.edge.messenger.live.com:https (134.170.19.156)
Maybe this is *the* one to use: 134.170.0.200