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Flavius Porumb is a top telecommunication executive and serial entrepreneur. He excels in creating and growing new IT companies thanks to his 15-plus years of experience in this industry.
Currently, he is the CEO of Pubconcierge, a global datacenter & cloud services provider focused on IP leasing solutions.

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Network Protocols | IPv4 & IPv6 | What is...?

Short-Term IP Leasing vs Long-Term IP Leasing: Which Model Is Right for Your Network?

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IP Leasing | IPv4 & IPv6 | Proxy

Native vs Geolocated IPs: What’s the Difference and Which One Do You Actually Need?

In today’s digital landscape, IP addresses are more than just technical identifiers, they determine access, trust, and success for everything from web scraping and ad verification to streaming, e-commerce, and SEO campaigns. Two terms frequently come up in proxy and VPN discussions: native IPs and geolocated IPs. If you’re researching native vs geolocated IPs, you’re… Continue reading Native vs Geolocated IPs: What’s the Difference and Which One Do You Actually Need?

IP Leasing | IPv4 & IPv6 | Proxy

The Real Cost of Dirty IPs: How Poor IP Reputation Hurts Growth Teams

Growth teams are under constant pressure to scale faster, lower acquisition costs, and improve efficiency across paid media, email, automation, and outbound operations. But there is one infrastructure issue that continues to quietly damage performance behind the scenes: dirty IPs. A dirty IP is an IP address with a poor reputation due to previous abuse,… Continue reading The Real Cost of Dirty IPs: How Poor IP Reputation Hurts Growth Teams

IP Leasing | IPv4 & IPv6 | Proxy

IP Leasing Agreements: 7 Contract Terms to Negotiate for Your Business

The companies getting the most value from IP leasing agreements are not the ones that simply find available IPv4 space. They are the ones that negotiate lease terms around how their network, compliance obligations, and growth plans actually work. That is the real difference between a basic contract and a strategic one. That problem matters… Continue reading IP Leasing Agreements: 7 Contract Terms to Negotiate for Your Business

IP Leasing | IPv4 & IPv6 | Proxy

How to Build a Resilient IP Infrastructure Across Cloud Providers

Modern infrastructure rarely lives in one place. Many organizations now run workloads across multiple public clouds, private environments, colocation, and edge locations. As cloud estates become more distributed, IP planning is no longer just a networking task. It becomes a resilience decision. A resilient IP infrastructure helps organizations keep services reachable, portable, and easier to… Continue reading How to Build a Resilient IP Infrastructure Across Cloud Providers

IP Leasing | IPv4 & IPv6 | Proxy

AI, Cloud & IoT Are Driving New IPv4 Demand (and Why /24s Matter More Than Ever)

IPv4 didn’t “go away.” It got re-priced, re-packaged, and pulled back into the center of modern infrastructure planning. In 2024-2025, IPv4 demand accelerated again, not because teams ignored IPv6, but because AI data collection, hybrid cloud expansion, and IoT edge rollouts still depend on routable IPv4 identity to operate reliably at scale. The result is… Continue reading AI, Cloud & IoT Are Driving New IPv4 Demand (and Why /24s Matter More Than Ever)

IP Leasing | IPv4 & IPv6 | Proxy

IPv4 Address Leasing Explained: What It Is, Why It Matters, and How to Do It Right

IPv4 address leasing is a fixed-term arrangement where an IPv4 block holder grants another organization the right to use and route IPv4 addresses, while the holder retains ownership. It’s a practical way to access scarce IPv4 capacity without a permanent purchase and a way for holders of unused space to monetize idle resources responsibly. Key… Continue reading IPv4 Address Leasing Explained: What It Is, Why It Matters, and How to Do It Right

IP Leasing | IPv4 & IPv6 | Proxy

7-Step IP Address Strategy Audit You Can Complete in 60 Minutes

If you are leading a growing engineering team, running a structured IP Address Strategy Audit is no longer optional. Your IP infrastructure directly impacts cybersecurity, compliance, scalability, and operational cost. A modern IP Address Strategy Audit evaluates whether your IPv4 resources, IPv6 deployment, ASN governance, and proxy infrastructure are aligned with both growth and security… Continue reading 7-Step IP Address Strategy Audit You Can Complete in 60 Minutes

IP Leasing | IPv4 & IPv6 | Proxy

Geolocation in IP Leasing: A Practical Checklist for Secure, Region-Based Infrastructure

Today, geolocation in IP Leasing is a foundational signal for services, with leading providers reporting nearly 99.8% accuracy at the country level, making geolocated IP leasing a dependable foundation for regional performance and compliance. Geolocation in IP leasing directly affects performance, security, and compliance. Accurate regional alignment reduces latency, prevents access issues, and strengthens trust… Continue reading Geolocation in IP Leasing: A Practical Checklist for Secure, Region-Based Infrastructure

Press Releases

PubConcierge Unveils ‘Responsible Web Data for AI’ Ahead of AI & Big Data Expo London (Feb 4–5, 2026)

PubConcierge Unveils ‘Responsible Web Data for AI’ Ahead of AI & Big Data Expo London (Feb 4–5, 2026) – IT Industry Today – EIN Presswire London, UK – 2 February 2, 2026 — PubConcierge today introduced Responsible Web Data for AI, a practical governance framework for teams collecting public web data for AI and analytics.… Continue reading PubConcierge Unveils ‘Responsible Web Data for AI’ Ahead of AI & Big Data Expo London (Feb 4–5, 2026)

IP Leasing | IPv4 & IPv6 | Network Protocols | Proxy

How do I secure a leased IP block from abuse?

If you lease IP space for production, you are not just renting addresses. You are renting a piece of internet identity. To secure a leased IP block, you need the same mindset you use for cloud access and production credentials: clear ownership, strict change control, strong monitoring, and fast containment when something looks off. When… Continue reading How do I secure a leased IP block from abuse?

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