On 08/17/2012 12:20 AM, John R Pierce wrote:
the MAC address prefix on that DHCP thing is 00:23:EB which is Cisco... and yes, ISP's frequently use private IP space for internal gateway networks. they aren't routable on the public internet, they don't have to be, they are just used for routes within the ISP's WAN.
Yup looks like the ISP is checking to see who's on.