[GLLUG] IP Address Issue

[Patrick Collora]

Web browsing worked without the router, but I'm not sure that there 
wouldn't have been other issues.  I see the following in WHOIS.

NetRange    108.68.140.0 - 108.68.143.255
CIDR    108.68.140.0/22

Does this suggest that the netmask should be 255.255.252.0, not 
255.255.255.0?  Given the former, 108.68.143.0 should be free to assign.

Cody Dean wrote:
> Normally they avoid the .0 when setting up an IP scheme, but it can be 
> used.  Found this: 
> http://www.dslreports.com/forum/remark,22121455 which may be relevant.
>
> Were you able to connect without the router attached?
>
> Cody

Richard Houser wrote:
>
> It depends on the netmask.  In this case, you are on a class C, so the 
> first valid IP would start at 1 and go to 254 in the last octet.  
> Whomever setup that dhcp server is an idiot.
>
> On Oct 8, 2012 6:44 PM, "Patrick Collora" <collorap at pjc.name 
> <mailto:collorap at pjc.name>> wrote:
>
>     Not Linux-specific, but maybe someone here knows the answer.  I
>     was having some trouble connecting to the Internet through my
>     router, and I suspect it might be due to the IP address I was
>     assigned.  When I bypassed the router, AT&T assigned the following
>     to my PC.
>
>        IPv4 Address. . . . . . . . . . . : 108.68.143.0
>        Subnet Mask . . . . . . . . . . . : 255.255.255.0
>        Default Gateway . . . . . . . . . : 108.68.143.1
>
>     Is the IP ending in zero valid, or is it the network identifier?
>
>     Thanks.
>     -Patrick
>
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-- 
Patrick Collora

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