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Personal Site • Consulting • Tools • Blog
Practical Networking, Automation, and DevOps Expertise with Industry Available Tools.
I help teams design, troubleshoot, automate, and modernize networks with a practical blend of deep networking knowledge, software engineering, DevOps practices, and AI-assisted automation.
IPv4 / IPv6 utilities
Subnet calculators
Automation-focused profile
Blog + lead capture
Duleep Thilakarathne
IP Networking • Mobile and FWA Packet Core • Network Automation • DevOps
- Location: Sri Lanka
- Email: duleep@duleep.com
- Focus: IP networking, automation, software, DevOps
Networking
4G 5G Mobile & FWA Packet Core
Python
PHP
C,C#
Linux
Docker
AI/ML
About
A Professional Portfolio, Technical Resource Hub, and Consulting Platform
This platform showcases practical engineering expertise across network design, automation, DevOps, and software development, with a strong focus on real-world production environments. It provides useful tools, technical insights, and solutions designed to support operational efficiency and innovation.
The platform also serves as a point of engagement for consultancy, troubleshooting support, custom solution development, training, and collaboration, enabling long-term value for organizations and engineering teams.
Core Expertise & Value Proposition
- IP/MPLS, Mobile Core, and Fixed Wireless Network Design, Planning, and Troubleshooting
- DevOps and System Engineering using Linux, Docker, APIs, and Workflow Automation
- Software Development using C, C#, Python, and PHP for Engineering Solutions
- AI/ML-driven Operational Intelligence, Anomaly Detection, and Alarm Correlation
- Automated Network Visualization and Dynamic Topology Diagram Generation
- Automated IP Address Management (IPAM) and Network Inventory Systems
- Web-based Engineering Portals, Dashboards, and Custom Tool Development
- End-to-end Automation Solutions for Network and IT Operations
Capabilities
What I can help with
🌐
IP Network Design & Troubleshooting Consultancy
Routing, switching, MPLS, packet core, IPv4/IPv6 planning, architecture reviews, incident support, RCA, and performance optimization for enterprise and telecom environments.
🤖
Network Automation with AI/ML Extensions and Network visualization
Automate repetitive engineering tasks using Python, APIs, telemetry, anomaly detection, and alarm correlation, enhanced with AI/ML-driven workflows and network visualization capabilities, including automated network diagram generation for improved visibility and faster troubleshooting.
💻
Technical Software Development & Automated Network Monitoring
Design and develop internal tools, IT/engineering portals, secure APIs, dashboards, calculators, and automation systems, including AI-driven automated network monitoring solutions tailored to real operational environments.
⚙️
DevOps Freelancer Support
Linux operations, Docker, CI/CD, observability, deployment troubleshooting, infra hardening, Network Security hardening and automation support for IT & Engineering teams and growing businesses.
Useful tools
Networking and DevOps utilities
Your IP information
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IPv4 subnet calculator
Enter IPv4 CIDR such as 192.168.10.0/24.
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Subnet merger / summarizer
Enter comma-separated or line-separated IPv4 CIDRs.
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IP range to CIDR
Convert a start and end IPv4 address into the smallest CIDR blocks.
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Wildcard mask calculator
Get subnet mask and wildcard mask from CIDR.
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IPv6 prefix helper
Quickly see the address count for a prefix length and common usage guidance.
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Port reference
Search common ports and protocols quickly.
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Blog
Notes, ideas, and practical engineering content
Why network automation projects fail before the first script is written
The real blockers are usually inventory quality, process ownership, and change control. Start with repeatable operational pain, not shiny tooling.
Reserve as full article →A practical IPv4/IPv6 checklist for production network changes
A compact pre-change checklist covering routes, ACLs, dependencies, rollback scope, and validation points for real maintenance windows.
Reserve as full article →Using anomaly detection to reduce NOC fatigue
Detection is only valuable when it is actionable. The operational goal is fewer noisy events and faster prioritization, not just a model score.
Reserve as full article →Services
Professional Services & Engineering Expertise
Network Consulting & Troubleshooting
Expert support for IP/MPLS, Mobile Core, and Fixed Wireless networks, including design reviews, troubleshooting, performance optimization, and incident resolution.
Automation & Custom Solution Development
Design and implementation of automation solutions using Python, APIs, and DevOps tools, including dashboards, workflow systems, and network integration platforms.
AI-Driven Network Monitoring & Analytics
Implementation of AI/ML-based solutions for anomaly detection, alarm correlation, and automated network monitoring to improve operational efficiency and visibility.
Training & Technical Enablement
Hands-on training and knowledge transfer in networking, Linux, automation, and operational tools to empower engineering teams.
Contact
Let's discuss your network, automation, or DevOps requirement
Use this form or contact information to engage for consultancy, technical support, custom solution development, training services, or potential collaboration.
Emailduleep@duleep.com
Websitehttps://duleep.com
LocationSri Lanka