I'd like to be able to search for an IP's within CIDR ranges/list, and output the information around that IP's CIDR file.
Very similar to this EE question https://www.experts-exchange.com/questions/29127048/Excel-CIDR-IP-Address-Overlap-Formula-Check-for-CIDR-IP-Address-Overlap.html
This is what I envision...
10.0.0.0/24, Guest Network
Found: 10.0.0.22 - Guest Network 10.0.0.0/24
.\findip.ps1 10.8.0.123, 10.69.69.68, 10.1.2.3
Found: 10.8.0.123 - Telco 10.8.0.0/22
Found: 10.69.69.68 - BoomChickaWowWow
Not Found: 10.1.2.3
FindIp would look inside the cidr.csv and then expand the CIDR's and seqrch for matches within.