Swift IP Addressing Plan Assistance

I urgently need a professional who is well-versed in IP addressing planning. Having skipped an IP address subnetting topic, I now find myself in dire need of assistance to understand and implement it.

Ideal Skills and Experience:
- Solid understanding of IP addressing and subnetting
- Direct experience in IP addressing planning
- Ability to teach complex technical topics in a comprehensible manner

Please note, I need this task completed ASAP. Your prompt response will be much appreciated.