My nifty EtherNet-Codes file says that 0080AD is asigned to Telebit.
So, I'd guess that your card is a Telebit card.
-Brian

On Jun 11,  5:06pm, Tim Rightnour wrote:
} Subject: RE: some quick ttcp figures on various cards
} On 11-Jun-98 Tim Rightnour spoke unto us all:
} # 486-DX2-66: we0: WD8013WC Ethernet (16-bit)
} # Send: 928.16 KB/sec 14.7% system time.
} # Recv: 823.68 KB/sec 7.1% system time.
} 
} An interesting note.. After posting this I found another 486-66 in my
} collection with an NE2000 card.  this one is by a different manufactuer, and
} gets speeds in the low 900's.  So it is this one particular brand that is a
} "peice of crap"
} 
} the MAC address is: ne1: Ethernet address 00:80:ad:70:69:ff
} I have no idea who manufactures this card.. It doesn't come with anything that
} would give away its point of origin.  If anyone has a MFG database for mac
} addresses, I would appreciate knowing (and so might others looking to avoid a
} crappy card)
} 
} ---
} Tim Rightnour    -  root@garbled.net
} http://www.zynetwc.com/~garbled/garbled.html
>-- End of excerpt from Tim Rightnour