Re: is your host or dhcp server sending dns dynamic updates for rfc1918?

now as to who's responsible, first off you have to understand that we block rfc1918-sourced packets at our AS boundary. (otherwise these numbers would be Much Higher

are you sure? i suspect they are windows 2000 systems behind NATs. so the dynamic update is for the 1918 address, but the packet source address has been natted into real space. randy