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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...?

Clean IP Space vs Cheap IP Space: What Proxy Users Should Really Prioritize

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IP Leasing | IPv4 & IPv6 | Network Protocols | Proxy

How Flexible IP Leasing Helps Proxy Platforms Reduce Infrastructure Costs

Flexible IP Leasing helps proxy platforms reduce infrastructure costs by matching IPv4 and IPv6 capacity to real customer demand instead of forcing teams to buy large IP blocks before demand is proven. Proxy platforms do not lose margin only because IPs are expensive. They lose margin when capacity sits idle, performs poorly, gets blocked too… Continue reading How Flexible IP Leasing Helps Proxy Platforms Reduce Infrastructure Costs

IP Leasing | IPv4 & IPv6 | Network Protocols | Proxy

How to Evaluate IP Address Quality Before Leasing for Proxy Infrastructure

IP address quality leasing is the process of evaluating leased IPv4 or IPv6 addresses before and during use to confirm that they are reputable, accurately geolocated, properly routed, compliant with acceptable-use requirements, and suitable for a specific proxy infrastructure workload. For proxy infrastructure, IP quality affects block rates, CAPTCHA frequency, session stability, geolocation accuracy, data… Continue reading How to Evaluate IP Address Quality Before Leasing for Proxy Infrastructure

IP Leasing | IPv4 & IPv6 | Proxy

What Makes a Valuable IP Block for Scraping, Proxying, and Data Infrastructure?

A valuable IP block can help a data team collect public information more consistently, support cleaner routing, reduce operational noise, and give procurement a more predictable way to scale. A weak IP block can do the opposite. It can trigger more friction, create cleanup work, slow down product launches, and raise compliance concerns. In 2026,… Continue reading What Makes a Valuable IP Block for Scraping, Proxying, and Data Infrastructure?

IP Leasing | IPv4 & IPv6 | Proxy

How Many IPs Do I Need for Proxies? A Planning Guide for Proxy and Data Operations

Every data team eventually asks the same question: how many IPs do I need for proxies? It sounds simple. In reality, the right answer depends on your workload, target websites, request volume, session behavior, geography, compliance rules, and whether your operation needs IPv4, IPv6, or both. At PubConcierge, we work with companies that use proxy… Continue reading How Many IPs Do I Need for Proxies? A Planning Guide for Proxy and Data Operations

IP Leasing | IPv4 & IPv6 | Proxy

PubConcierge Expands to Singapore as IPv4 Demand in Asia Accelerates

IPv4 demand in Asia is accelerating as the region becomes one of the world’s most active digital infrastructure markets. Cloud adoption, AI workloads, e-commerce, telecom expansion, cybersecurity, ad verification, proxy infrastructure, and data-for-AI operations are all increasing the need for stable, trusted, and regionally connected IPv4 resources. At the same time, IPv4 supply remains structurally… Continue reading PubConcierge Expands to Singapore as IPv4 Demand in Asia Accelerates

Press Releases

PubConcierge Reports 20% Rise in Dedicated IPv4 Leasing Inquiries in Early 2026

Rising demand from AI data, proxy, VPN, hosting, and geo-specific digital workflows shows why IPv4 remains valuable in 2026. WILMINGTON, Delaware, May 6, 2026:  PubConcierge, a global IP leasing and proxy infrastructure provider, reported a 20% increase in inquiries for dedicated IPv4 leasing during the first four months of 2026 compared with the same period… Continue reading PubConcierge Reports 20% Rise in Dedicated IPv4 Leasing Inquiries in Early 2026

IP Leasing | IPv4 & IPv6 | Proxy

IPv8 Proposal Explained: What It Reveals About IPv4 Compatibility

IPv8 proposal has recently attracted attention as a possible new approach to internet addressing. Some discussions have described it as “IPv4, but better,” while others have framed it as a potential alternative to IPv6. But before going any further, one point must be absolutely clear: IPv8 is not an official internet standard. It is not… Continue reading IPv8 Proposal Explained: What It Reveals About IPv4 Compatibility

IP Leasing | IPv4 & IPv6 | Proxy

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

If you run a network in 2026, you know IPv4 addresses feel like gold dust. Demand keeps climbing thanks to AI clusters, proxy platforms, web scraping operations, and cloud expansions. At the same time, IPv6 adoption moves forward but does not eliminate the need for reliable IPv4 right now. That is why more companies turn… Continue reading Short-Term IP Leasing vs Long-Term IP Leasing: Which Model Is Right for Your Network?

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

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