IIPYE3d ago · 5 min readVLSM in Practice: Carving a /24 into Subnets of Different Sizes Without Wasting or OverlappingDisclosure up front: I run IPYE, a company that leases IP space. It gets one short paragraph at the end; the rest is plain networking. Variable-length subnet masking (VLSM) simply means that the subneipye-com.hashnode.dev
AacidvegasOct 12 · 14 min readThe Shady World of IP LeasingIPv4 "Exhaustion" is a Myth You've heard it a thousand times: we've run out of IPv4 addresses. ARIN, RIPE, APNIC — every Regional Internet Registry (RIR) will tell you their free pool is depleted. A12FDacidvegas.hashnode.dev
FFlareXesSep 27 · 20 min readWait, That's an IP Address?I'll be honest. After years being in cybersecurity, finding out mid-malware-analysis read that 45.39.21646 is a completely valid, resolvable IP address. Genuinely stopped me for a second. My initial aflarexes.com
MMaulanaSep 11 · 13 min readHow IPv4 Subnetting Determines Network and Host AddressesIPv4 subnetting is the process of dividing an IP network into smaller logical networks called subnets. A subnet mask determines which part of an IPv4 address identifies the network and which part idenmauls.hashnode.dev
CconnectSep 8 · 2 min readWhy IPv4 Refuses to Die: The $1.2B Protocol Still Running the WebIn the late 1990s, networking experts predicted that IPv4 (Internet Protocol version 4) would be entirely obsolete by the mid-2010s. Its 32 bit architecture limits the global address pool to roughly ipv4tradehub.hashnode.dev
CconnectSep 7 · 2 min readWhy Haven’t We Fully Switched to IPv6 Yet?For over two decades, network engineers have warned that IPv4 is running out of addresses. IPv6 was created as the ultimate solution, offering 3.4 \times 10^{38} addresses enough to give every grain oipv4tradehub.hashnode.dev
CconnectSep 5 · 2 min readWhy IPv4 Still Runs the Internet: Practical Uses & Real-World RealitiesDespite decades of warnings about IPv4 address exhaustion and the push for IPv6 adoption, IPv4 remains the backbone of modern networking. Engineered in 1981, this 32-bit protocol generates approximateipv4tradehub.hashnode.dev
CconnectSep 1 · 3 min readThe Undead Protocol: Why IPv4 Still Runs the InternetIPv6 launched in 1998. It was supposed to kill IPv4. 26 years later... IPv4 is still alive. Still undead. Still running everything. How is that even possible when we officially "ran out" of IPv4 addreipv4tradehub.hashnode.dev
CconnectAug 28 · 2 min readWhy IPv4 Is Usefull In Today's Digital World ?With the introduction of IPv6, industry experts predicted the swift retirement of IPv4. Yet decades later, IPv4 continues to handle the vast majority of global internet traffic. Why does a protocol cripv4tradehub.hashnode.dev
NNiya KohliAug 19 · 11 min readIPv4 vs IPv6: What CCNA Learners Should Know in 2026Introduction IPv4 vs IPv6 remains an important networking topic for anyone preparing for CCNA-level knowledge in 2026. IPv4 still supports many enterprise networks, while IPv6 adoption continues to grsterlingnext.hashnode.dev
