IPAM - How big does your network have to be to benefit from it?

Hi All,

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I'm struggling to find the benefit of having an IPAM solution to manage IP address. Microsoft's DHCP and DNS have worked fine for me in the past. I can implement something like NetBlox or phpIPAM, but once it's up and running how is it different than just logging into my DHCP server?

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I'm fairly early in my career, so maybe I'm just missing something.