QNX TCP/IP RT disk sets

Because QNX no longer ships install disks for QNX 4.25 and TCP/IP Runtime,
we have to make our own disk sets for our customers (for backup purposes).
These are not CD backups (they must be floppies). I have found the
qnx425.diskset file but I can’t find a tcpip4.25.diskset. Where is it?