'Why 255 in ip address can't be host address?
Can I have IP address like this - 145.234.255.255 /12 ?
Host id is 10101111111111111111 (720895) and we see, that all bits are not one, in order to it will be called a broadcast address…
Solution 1:[1]
Sorry, re-reading your question more in-depth your IP 145.234.255.255 /12 it's valid.
That's because with that submask (255.240.0.0) the last IP / broadcast IP it's 145.239.255.255 and the first IP is 145.224.0.0. As your IP (145.234.255.255) it's inside that range it's a valid IP.
I still recommend you this question
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Source: Stack Overflow
| Solution | Source |
|---|---|
| Solution 1 | Héctor |