{
  config,
  lib,
  pkgs,
  ...
}:
{
  qois.meta.network.physical = {
    plessur-ext = {
      v4 = {
        id = "85.195.200.253";
        prefixLength = 24;
      };
      v6 = {
        id = "2a02:169:1e02::";
        prefixLength = 48;
      };
      domain = "plessur-ext.net.qo.is";
      hosts = {
        calanda = {
          v4.ip = "85.195.200.253";
        };
      };
    };

    plessur-dmz = {
      v4 = {
        id = "10.1.2.0";
        prefixLength = 24;
        gateway = "10.1.2.1";
        nameservers = [ "10.1.2.1" ];
      };
      domain = "plessur-dmz.net.qo.is";

      hosts = {
        calanda = {
          v4.ip = "10.1.2.1";
        };
      };
    };

    plessur-lan = {
      v4 = {
        id = "10.1.1.0";
        prefixLength = 24;
        # Note: DHCP from .2 to .249, see calanda config
      };
      domain = "plessur-lan.net.qo.is";

      hosts = {
        calanda = {
          v4.ip = "10.1.1.1";
        };
        cyprianspitz.v4.ip = "10.1.1.250";
      };
    };

    eem-lan = {
      domain = "eem-lan.net.qo.is";
      hosts = {
        stompert.v4.ip = ""; # TODO
      };
    };

    riedbach-ext = {
      # IP: Dynamic
      domain = "riedbach-ext.net.qo.is";

      hosts = {
        lindberg = {
          # TODO: This is the router, not really lindberg.
          v4.ip = "145.40.194.243";
        };
      };
    };

    lattenbach-ext = {
      # Forwarded ports:
      # udp:51820 -> 10.0.0.60:51820
      # tcp:51022 -> 10.0.0.60:22
      # tcp:51023 -> 10.0.0.60:2222
      domain = "lattenbach-ext.net.qo.is";
      hosts.router-coredump.v4.ip = "5.226.148.126";
    };

    lattenbach-lan = {
      # Coredump LAN
      v4 = {
        id = "10.0.0.0";
        prefixLength = 16;
      };
      domain = "lattenbach-lan.net.qo.is";
      hosts = {
      };
    };

    lattenbach-nas = {
      # Coredump net between apu and nas
      v4 = {
        id = "192.168.254.0";
        prefixLength = 24;
      };
      domain = "lattenbach-nas.net.qo.is";
      hosts = {
        tierberg.v4.ip = "192.168.254.2";
        batzberg.v4.ip = "192.168.254.1";
      };
    };
  };
}