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Bullionet
Network

IP addresses

The address delivered with the server, ordering additional ones, and configuring them on Debian, Ubuntu and the RHEL family.

Every dedicated server is delivered with one primary IPv4 address, already configured on the system image. Additional addresses are billed separately, from 2 EUR per month.

Order an additional address ​

Request additional addresses from the service page in the client area, or by ticket. Tell us how many you need and, if they are meant for virtual machines, say so.

Once assigned, the address is listed with your service and delegated to you for reverse DNS. Configuring it on the machine is your step.

Network parameters ​

The same parameters apply to the primary address and to every additional address on the server:

ParameterValue
Netmask/24 (255.255.255.0), for the primary address and for additional ones alike
GatewayShown on the service page in the client area when the address is assigned. Usually the .1 of the /24, but not always: read it there rather than assuming
DNS resolversYour choice; the examples below use public resolvers

Good to know

Installing the system by hand? Write down the gateway from the client area before you start. It is the one value you cannot guess, and the installer will ask for it.

Configure it on Debian and Ubuntu ​

Systems installed with netplan, in /etc/netplan/01-netcfg.yaml:

yaml
network:
  version: 2
  ethernets:
    eno1:
      addresses:
        - 203.0.113.10/24
        - 203.0.113.42/24
      routes:
        - to: default
          via: 203.0.113.1   # the gateway shown in the client area
      nameservers:
        addresses: [1.1.1.1, 9.9.9.9]
bash
netplan try        # reverts on its own if you lose the connection
netplan apply

netplan try is worth the extra step: it rolls the configuration back if you do not confirm, which is exactly what you want when the change can cut your own session.

Configure it on Rocky and AlmaLinux ​

bash
nmcli connection modify eno1 +ipv4.addresses 203.0.113.42/24
nmcli connection up eno1

Check it ​

bash
ip -brief address show
ip route get 1.1.1.1
curl -4 https://ifconfig.co        # which address you leave from

IPv6 ​

IPv6 is supported on our network. If your service page does not already show a prefix, ask for one by ticket. Configure it alongside IPv4 rather than instead of it: a dual-stack server keeps working for clients with no IPv6 path.

yaml
      addresses:
        - "2001:db8:abcd::10/64"
      routes:
        - to: "::/0"
          via: "2001:db8:abcd::1"

After a reinstall ​

Addresses configured by hand do not survive an OS reinstall. Only the primary address comes back automatically. Keep your netplan or nmcli commands in the same place as your rebuild script.

Reviewed on September 1, 2026