Thread: Help - IP address on block lists
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Old 27-07-2010, 13:53   #37
Jon T
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Re: Help - IP address on block lists
Quote:
Originally Posted by zing View Post
but he says its never changed you can assume by what he typed its not just a one off?
Probably, yeah.

Quote:
Originally Posted by zing View Post
Would unplugging the modem from a router release an IP? I thought IPs were leased for a period and would still be tied to the MAC until a physical release was issued? if its still leased surely it can not be allocated to a different Mac
Just unplugging the cable wouldn't, the DHCP server would need to see a DHCP release datagram. Power cycleing the cable modem will probably do this I assume. On the DHCP lease period, as unlikely as it is, the DHCP server could hand that IP out even if it's still within the lease time of a previous lease. To my mind it all hinges on the IP being marked as released.
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