Didn't DECnet do something like that?
it did. as i recall, it smashed into the the ether addr's low bits the machine's DECnet address for some vile hack so that ether to DECnet address mapping would be 'easy' [on ULTRIX].
these all very vile and duplicate DECnet addresses would ruin your whole day/week/month(s).
i knew there was something wrong with my machine but could never figure it out until i stuck some printfs in the kernel. yup, duplicate DECnet addresses. at this point i surveyed the whole lab and made sure there were no dups.
as DECnet had such a small addres space (16 bits? 8 net, 12 host) there was 'hidden area' on net 62. -- MGRS 31U DQ 52572 12604
