The OS versions of all the IX and IXG stations are listed below:

IX-MV: Linux 2.6
IX-DA, BA, DV, DVF: Linux 2.6
IXW-MA: Linux 2.6
IXGW-LC: Linux 2.6
IX-MV7: Linux 3.10
IX-RS: Linux 2.6
IX-2C7: Linux 2.6
IXG-DM7: Linux 2.6
IXGW-GW: Linux 3.10