Using http://www.curreedy.com/stu/nic/

Results: 
(Searched using: bc9581)

I didn't find a MAC address that matches: bc:95:81:00:00:0f

Take a look at the notes

On Sat, 2009-03-28 at 16:12 +0100, Wilko Lunenburg wrote:
> Hi,
> 
> Have you tried to find it with Microsoft's knowledge base? I found this,
> maybe it is of any help to you:
> 
> Windows Vista cannot obtain an IP address from certain routers or from
> certain non-Microsoft DHCP servers
> 
> http://support.microsoft.com/kb/928233/en-us
> 
> 
> Søren Vanggaard Jensen schreef:
> > I haven't been able to determine who own's the macaddress bc:95:81:00:00:0f.
> > This is work in progress and i hope I'll  have an answer soon.
> > 
> > However, i do not see why bc:95:81:00:00:0f should cause Vista to decline
> > the offered IP address. VISTA should only decline the IP address if it
> > detects an IP address conflict.
> > 
> > BR
> > /Søren
> > 
> > 
> > 
> > -----Original Message-----
> > From: Claus@Monowall [mailto:Monowall at mail dash fwd dot archie dot dk] 
> > Sent: 28. marts 2009 11:27
> > To: apiasecki at midatlanticbb dot com
> > Cc: m0n0wall at lists dot m0n0 dot ch; m0n0wall at lists dot m0n0 dot ch
> > Subject: RE: [m0n0wall] DHCPDECLINE
> > 
> > Why is the failing ARP
> > 
> >> No.     Time            Source                Destination
> > Protocol
> >> Info
> >>      38 15:31:12.537248 bc:95:81:00:00:0f     Broadcast             ARP
> >> Who has 10.0.10.157?  Tell 0.0.0.0
> >>  
> >> Frame 38 (60 bytes on wire, 60 bytes captured) Ethernet II, Src: 
> >> bc:95:81:00:00:0f (bc:95:81:00:00:0f), Dst: Broadcast
> >> (ff:ff:ff:ff:ff:ff)
> >> Address Resolution Protocol (request)
> >>  
> > 
> > Saying
> > 
> > Tell 0.0.0.0
> > 
> > Why not
> > 
> > Tell real ip of bc:95:81:00:00:0f
> > 
> > Who is bc:95:81:00:00:0f ? First time I see it is in the failing ARPs ??
> > 
> > Claus
> > 
> > 
> > 
> > -----Original Message-----
> > From: apiasecki at midatlanticbb dot com [mailto:apiasecki at midatlanticbb dot com]
> > Posted At: Saturday, March 28, 2009 10:14 AM Posted To: Monowall
> > Conversation: [m0n0wall] DHCPDECLINE
> > Subject: Re: [m0n0wall] DHCPDECLINE
> > 
> > I have this same problem. On the same connection Windows XP will grab DHCP
> > just fine but Vista won't. I haven't figure it out either. It's only Vista
> > machines that are having this problem, all other OS's work fine. Its strange
> > because some vista machines will work fine, while others won't.
> > Usually i just tell the guest the call Microsoft's and explain that windows
> > XP machines are working fine on the network and Vista isn't.
> > 
> > Adam
>