Domain Names/Static IP
Managing, controlling, and support for Custom Domain Names
Back to Top

Understanding Static IP Block

SOLVED
jdibling
Visitor

Understanding Static IP Block

We have an SMC3Dg device with 5 static IPs.  The gateway device reports that my WAN IP address is 75.XX.YY.6, and my Static IP Block is 75.XX.YY.6/29.

 

My question is, what are my actual Static IPs?

 

I'm guessing that they are like this:

 

75.XX.YY.6  (Gateway)

75.XX.YY.5

75.XX.YY.4

75.XX.YY.3

75.XX.YY.2

75.XX.YY.1

 

Is that right?

 

 

 

 

Accepted Solution

Re: Understanding Static IP Block

I should point out that a point of confusion for me is the fact that the gateway sits in what appears to be the middle of the Static IP block's range or /29.  If /29 means the last 3 bits dasignate the host, then 6 (110) sits in the middle of that.  I would expect it to be either 1 (001) or 7 (111).

 

Perhaps I'm just lost & overthinking things.

View solution in context
Accepted Solution

Re: Understanding Static IP Block

With a /29 you have ips from 0 to 7, 0 is the network ip, 7 is the broadcast, 6 is your default gateway which leaves you with 5 usable ip from 1 to 5.

So the gateways sits in the last usable ip of that subnet (just before the broacast ip).

Rodolphe

 

View solution in context
jdibling
Visitor

Re: Understanding Static IP Block

I should point out that a point of confusion for me is the fact that the gateway sits in what appears to be the middle of the Static IP block's range or /29.  If /29 means the last 3 bits dasignate the host, then 6 (110) sits in the middle of that.  I would expect it to be either 1 (001) or 7 (111).

 

Perhaps I'm just lost & overthinking things.

Highlighted
rpineau
New Contributor

Re: Understanding Static IP Block

With a /29 you have ips from 0 to 7, 0 is the network ip, 7 is the broadcast, 6 is your default gateway which leaves you with 5 usable ip from 1 to 5.

So the gateways sits in the last usable ip of that subnet (just before the broacast ip).

Rodolphe