what block of ip address are you assigned ? for ex for a class c subnet a.b.c.0/24 a.b.c.0 will be the network address ( given ip subnet-zero is enabled ) , then one of the address in it would be the gateway address and one will be broadcast address. The rest you can use , bind them to you machines , if you do not have that many machines then you can configure policy nat on for ex cisco asa that will bind multiple public ip to single private ip and you can check the ip's. also, you can use this website to see that the ip's are assigned to you in the arin data :-
Perhaps I am not understanding your question correctly. You say that the service provider has given you a block of addresses. When a service provider gives you a block of addresses it is my experience that the addresses are for you to assign. Perhaps you could provide some additional details that would help me to understand the question better.
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
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In this session you can learn more about Layer 3 multicast and the best
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