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by Renzom Team4 min read

Dedicated IP vs. shared port: when does it actually matter for game servers?

Most game-server hosting customers don't need a dedicated IP. Here's the small set of cases where it genuinely matters — and a few where you're being upsold.

  • #hosting
  • #networking
  • #dedicated-ip
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A "dedicated IP" sounds like the kind of upgrade you should always pay for. It's not. For roughly nine out of ten game servers, the shared-IP setup that ships by default is fine — your players connect, your friends find the server, your latency is identical. The dedicated-IP add-on is a real product, but it's only useful in a small number of well-defined situations.

This post is what we tell our own customers when they ask whether they should tick that box.

What "shared IP" actually means

In a typical Pterodactyl-style setup (which is what we run), every server on a node shares the same public IPv4 address. Your players don't connect to just an IP — they connect to IP:PORT. The port is yours; the IP is shared with however many other servers happen to live on that node.

So:

  • 116.202.x.x:25565 is one Minecraft server
  • 116.202.x.x:25566 is a different one — different owner, different game even
  • Both are reachable, both keep their own state, neither sees the other

There is no actual networking downside to this for the vast majority of use cases. UDP / TCP both work fine. Latency is identical (the IP doesn't add hops). Your server appears in server lists exactly the same way.

When a dedicated IP genuinely matters

1. You want a "clean" connect address without a port. If you want players to type play.your-community.gg and have it Just Work without a :25566 suffix, the standard answer is an SRV record. SRV lets you point a hostname at a port — players type the hostname and the game client looks up the port automatically. Minecraft Java clients honour SRV. Most other games don't, or do it half-heartedly. If your game doesn't honour SRV and you really care about a clean address, a dedicated IP lets you use the default port (e.g. 25565) without colliding with anyone else.

2. You're running something that expects to bind to a "real" interface. A handful of game eggs (modded packs, custom binaries, certain voice servers) ship with hard-coded assumptions that the bind IP they get is the IP that players see. With a shared IP and port-mapping that's still true, but the binary sometimes prints a confusing setup line in its logs. Cosmetic, but annoying enough that some customers prefer to make the symptom go away rather than explain it.

3. IP-based reputation matters to you. This is rare in gaming but real:

  • You're running a Discord bot or web service alongside the game and you don't want to share an IP with whatever else happens to be on the node. (You shouldn't see noisy-neighbour reputation issues on a clean hosting provider, but if it matters to you, dedicated removes the question.)
  • You're whitelisting specific outbound traffic on your own infrastructure and you need a stable, single IP to allow.

4. Some anti-cheat or DDoS-mitigation setups. A few anti-cheat vendors and a few corporate DDoS-protection services prefer (or require) a dedicated IP to function properly with their per-IP rules. If you're using one of those, you'll know.

When you're being upsold

Sales copy on hosting sites likes to imply that dedicated IPs:

  • Reduce ping. They don't. Latency is a function of the route between you and the server, not whether the server's IP is shared.
  • Stop "lag from other servers". If a noisy neighbour can degrade your performance, the problem is the host's resource isolation, not the IP. Switching to dedicated IP doesn't fix that — switching hosts does.
  • Improve security. Sharing an IP doesn't expose your data to other servers. Process isolation does.
  • Are required for plugins. No common plugin requires a dedicated IP. A few server configs mention it, but they all work fine on a shared IP if you set the bind address correctly.

If a host is selling a dedicated IP on those grounds, that's a sign the rest of the offer is probably also overstated.

Our take

We sell the dedicated-IP add-on for €3/month because some customers genuinely need it. We don't push it on customers who don't, and the configurator on our pricing page shows you the live remaining inventory so you can see it's a real, finite resource and not a fake scarcity tactic.

If you're not sure whether you need one, the answer is almost always "no". Start without. If you hit a real reason to switch, you can add it later.

Practical: what to do if you don't take it

  • Want a hostname instead of an IP? Set up an SRV record at your DNS provider. For Minecraft: _minecraft._tcp.yourdomain.com SRV 0 5 25566 yourhost. Cloudflare does this for free.
  • Want a vanity port? Most games let you pick the bind port. We let you change it in the panel after provisioning.
  • Need to verify reachability? nc -uvz IP PORT from a different machine. Or use mcsrvstat.us for Minecraft.

If you have a specific use case and you're not sure which side of the line it falls on, ping us on Discord — we'll tell you the truth, not the sales answer.