CIDR Notation Courses and Certifications

GCP Security and Networking Fundamentals

Master GCP security by exploring Cloud IAM, service accounts, VPCs, and internet access configuration through practical hands-on tasks for cost control and network management.

• CodeSignal
• 1 hour
• Self-Paced
• Free Certificate

AWS VPC and Networking in depth: Learn practically in 8 hrs

5601 ratings at Udemy

Amazon VPC and Networking from basics to advance with 20+ simple to complex real life hands-on exercises

• Udemy
• 12 hours 2 minutes
• Self-Paced
• Paid Course

Whizlabs

AWS: Networking and Content Delivery

1 rating

Master AWS networking with VPC, Route 53, CloudFront, and ELB. Learn to implement secure networks, manage DNS, optimize content delivery, and create scalable applications with load balancing and auto-scaling.

• Coursera
• 4 hours 40 minutes
• Self-Paced
• Paid Course

Whizlabs

AWS: Content Delivery and Networking

Master AWS networking essentials including VPC configuration, CloudFront content delivery, Route 53 DNS management, and hybrid connectivity solutions with Direct Connect and VPN for secure, optimized cloud infrastructure.

• Coursera
• 5 hours 47 minutes
• Self-Paced
• Paid Course

TCP/IP Fundamentals & Routing

Master TCP/IP fundamentals, IPv4/IPv6 addressing, subnetting, CIDR, NAT, and dynamic routing protocols like OSPF and BGP to build essential networking skills for the Network+ exam.

• Coursera
• 3 weeks, 2 hours a week
• Self-Paced
• Paid Course

Real NMAP: Network Scanning, Recon & Exploit Discovery|CNMP+

619 ratings at Udemy

Real Power of Nmap: Master Network Scanning, Reconnaissance and Exploit Discovery for Effective Penetration Testing

• Udemy
• 10 hours
• Self-Paced
• Paid Course

Practical Networking

Subnetting Mastery

Master IPv4 subnetting from basics to advanced techniques with practical problem-solving methods, time-saving tricks, and hands-on practice for network professionals.

• YouTube
• 3 hours 21 minutes
• Self-Paced
• Free Video

Most Complete Teaching of BGP by ArashDeljoo

386 ratings at Udemy

Build Expertise in BGP to Excel in Enterprise Networks, Service Providers, and Cloud-Driven Architectures

• Udemy
• 2 days 2 hours 22 minutes
• Self-Paced
• Paid Course

Computer Networking Fundamentals Course

2 ratings

Master networking fundamentals from physical layer to applications, covering TCP/IP, routing, error control, and protocols like HTTP and DNS with hands-on problem-solving.

• freeCodeCamp
• 12 hours 19 minutes
• Self-Paced
• Free Video

The Bits and Bytes of Computer Networking

Explore modern networking fundamentals, including TCP/IP, DNS, cloud computing, and troubleshooting techniques, to build essential IT support skills as part of the Google IT Support Certificate.

• Google Skills
• 21 hours
• Self-Paced
• Free Online Course

Whether you are pursuing your Cisco CCNA Certification, or just need a refresher on IPv4 addressing and subnetting, this is the course for you. This course covers the very early days of the ARPANET an

• INE
• 5 hours
• Self-Paced
• Paid Course

[BETA] Subnetting Mastery

Master subnet masks, binary, and CIDR with hands-on practice in this free Cisco Networking Academy offering—ideal for CCNA prep with no prior experience needed.

• Cisco Networking Academy
• 4 hours
• Self-Paced
• Free Certificate

Amazon Web Services;  Amazon

Networking Learning Plan

Comprehensive training on AWS networking, covering VPCs, CloudFront, Route 53, Direct Connect, and more. Prepares for Advanced Networking Specialty certification and enhances cloud network engineering skills.

• AWS Skill Builder
• 19 hours
• Self-Paced
• Free Certificate

This course will enable students to refresh on basic IPv4 and IPv6 concepts and to learn how to subnet an IP space in order to better provide network availability. We will dive into converting decimals to both binary and hexadecimal.

• Cybrary
• 1-2 hours
• Self-Paced
• Paid Course

Paul Browning

IP Subnetting - Complete Course for IT Exams and Network Design

Master IP subnetting fundamentals and advanced techniques for network design, troubleshooting, and exam success with practical cheat charts and real-world applications.

• YouTube
• 10 hours 28 minutes
• Self-Paced
• Free Video