What are people using for IPAM these days?

Mon Jun 11 20:40:06 UTC 2018

--- C-Mack.McBride at charter.com wrote:
From: "McBride, Mack" <C-Mack.McBride at charter.com>

If you are managing more than a thousand IPs allocations 
spreadsheets are not manageable for IPv4.
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I managed a /15, two /16s and several /24s (so, well 
over a quarter million IPs) on a spreadsheet for years.  
So, that's an 'it depends' answer.

scott