Wednesday, June 12, 2019

IP Renumber Shenanigans

Our company was recently sold and we are losing all our IPs, so every client in the data center (not a huge operation) needs to have their IPs renumbered. The two guys in charge of provisioning these IPs don't understand the fundamentals of subnetting.

The current plan is to have a /30 followed directly by a /29 and a /28. All next to each other with no wasted address space. Because in fantasy land you can arbitrarily place subnets wherever you want in an address range. Because a 0.0.0.4/29 broadcasts on 0.0.0.11, right?



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