---
title: "Discussion on \"📘 Network+ Day 3 – ARP, Subnetting, NAT & Assigning IPs Made Simple\" | Hashnode"
description: "Discussion on \"📘 Network+ Day 3 – ARP, Subnetting, NAT & Assigning IPs Made Simple\". Welcome to Day 3 of the Network+ Journey! Today, we’re diving into some really important (but often confusing) networking topics — ARP, IP Subnetting, NAT, and how to assign IPv4 addresses to routers and hosts. Let’s simplify the techy stuff!\n\n🧠 ARP..."
url: "https://hashnode.com/posts/network-day-3/67fa8c190b40448dfc53d0f9"
---

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Discussion

# [📘 Network+ Day 3 – ARP, Subnetting, NAT & Assigning IPs Made Simple](https://blog.origin7.in/network-day-3?utm_source=hashnode&utm_medium=feed)

Welcome to Day 3 of the Network+ Journey! Today, we’re diving into some really important (but often confusing) networking topics — ARP, IP Subnetting, NAT, and how to assign IPv4 addresses to routers and hosts. Let’s simplify the techy stuff! 🧠 ARP...

Apr 12, 2025 · 4 min read · blog.origin7.in  
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-   [#comptia-security](https://hashnode.com/tag/comptia-security)
-   [#network](https://hashnode.com/tag/network)
-   [#cybersecurity](https://hashnode.com/tag/cybersecurity)

## Written by

[Narayan Joshi](https://hashnode.com/@NJ12090)

@NJ12090 · Maharashtra, India

  
[View profile](https://hashnode.com/@NJ12090)

CyberSecurity Associate at Sattrix Information Security | Top 1% CyberSecurity Learner on TryHackMe | ArcSight | Splunk | NewEvol

I have a strong and evolving interest in cybersecurity and ethical hacking, proven by my top 1% rank on TryHackMe, completion of SOC Fundamentals, multiple Udemy courses, and active participation in CTF programs and practical hacking series. Currently, I work as a Cybersecurity Associate at Sattrix Information Security, where I serve as an ArcSight Administrator and have hands-on experience with SIEM tools like Splunk and NewEvol. Alongside cybersecurity, I also have a background in web development with experience in HTML, CSS, JavaScript, and Python scripting. I’m deeply committed to continuous learning and real-world application, with a consistent track record of completing certifications and challenges. Despite ongoing health challenges that impact productivity, I remain focused on deepening my expertise and building a successful career in cybersecurity and ethical hacking.

## Responses 1

Markdown supported · ⌘↵ to post

[Saurabh Pawar](https://hashnode.com/@P0Saurabh)

[Apr 30, 2025](https://hashnode.com/posts/network-day-3/67fa8c190b40448dfc53d0f9/comment/681274a3162b5f3cdd676797)

keep up , looking forward to next post