How many public IPv4 addresses does a homelab need?
A practical way to size public IPv4 addresses for a homelab: which services can share one address behind a reverse proxy, and which ones need their own.
Articles
Guides on tunnel protocols, routed IPv4, and network infrastructure.
How to host a Minecraft server at home behind CGNAT
Give a Minecraft Java server a public IPv4 through WireGuard when port forwarding cannot work behind CGNAT. Route it, secure it, and test it.
How to get a public IPv4 address without an ASN or BGP in 2026
Two ways to get a real public IPv4 with no registry step: ask your host, or route one through a tunnel. Setup steps, diagrams, and common mistakes.
Best IPv4 providers in 2026: buy, lease or rent IPv4 addresses
Real IPv4 brokers, leasing marketplaces, and routed providers compared, with what each one costs, requires, and the fraud checks to run before paying.
Can you buy a single IPv4 address?
Learn the difference between buying a /24 IPv4 block and getting one routed public address without an ASN or BGP.
GRE vs. WireGuard: which tunnel protocol should you use?
Compare GRE and WireGuard for routed IPv4, home servers, and network links, including encryption, NAT, MTU, routing, and setup tradeoffs.
How to get a public IP for a home server
Set up a routed public IPv4 address on a Linux home server through WireGuard, including firewall, Docker, DNS, return routing, and testing.
How to add public IPv4 addresses to Proxmox VMs
Route one public IPv4 address to each Proxmox VM through a tunnel, with working host, guest, return-path and testing steps.
How to start a small VPS hosting business with one server
A practical guide to building a small VPS host with Proxmox VE, routed IPv4, backups, abuse handling, and capacity limits that survive real customers.
Why CGNAT stops you hosting a server at home
Port forwarding does nothing because your router never had a public address. How carrier-grade NAT works, how to check in a minute, and the ways around it.
What an IPv4 address costs in 2026
IPv4 sells for about $20 an address, leases for under 50 cents a month, and costs $3.60 a month at AWS. Why the same address carries four different prices, and which one applies to you.