diff --git a/lib/philomena/bans.ex b/lib/philomena/bans.ex
new file mode 100644
index 00000000..f8e38f5b
--- /dev/null
+++ b/lib/philomena/bans.ex
@@ -0,0 +1,296 @@
+defmodule Philomena.Bans do
+  @moduledoc """
+  The Bans context.
+  """
+
+  import Ecto.Query, warn: false
+  alias Philomena.Repo
+
+  alias Philomena.Bans.Fingerprint
+
+  @doc """
+  Returns the list of fingerprint_bans.
+
+  ## Examples
+
+      iex> list_fingerprint_bans()
+      [%Fingerprint{}, ...]
+
+  """
+  def list_fingerprint_bans do
+    Repo.all(Fingerprint)
+  end
+
+  @doc """
+  Gets a single fingerprint.
+
+  Raises `Ecto.NoResultsError` if the Fingerprint does not exist.
+
+  ## Examples
+
+      iex> get_fingerprint!(123)
+      %Fingerprint{}
+
+      iex> get_fingerprint!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_fingerprint!(id), do: Repo.get!(Fingerprint, id)
+
+  @doc """
+  Creates a fingerprint.
+
+  ## Examples
+
+      iex> create_fingerprint(%{field: value})
+      {:ok, %Fingerprint{}}
+
+      iex> create_fingerprint(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_fingerprint(attrs \\ %{}) do
+    %Fingerprint{}
+    |> Fingerprint.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a fingerprint.
+
+  ## Examples
+
+      iex> update_fingerprint(fingerprint, %{field: new_value})
+      {:ok, %Fingerprint{}}
+
+      iex> update_fingerprint(fingerprint, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_fingerprint(%Fingerprint{} = fingerprint, attrs) do
+    fingerprint
+    |> Fingerprint.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a Fingerprint.
+
+  ## Examples
+
+      iex> delete_fingerprint(fingerprint)
+      {:ok, %Fingerprint{}}
+
+      iex> delete_fingerprint(fingerprint)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_fingerprint(%Fingerprint{} = fingerprint) do
+    Repo.delete(fingerprint)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking fingerprint changes.
+
+  ## Examples
+
+      iex> change_fingerprint(fingerprint)
+      %Ecto.Changeset{source: %Fingerprint{}}
+
+  """
+  def change_fingerprint(%Fingerprint{} = fingerprint) do
+    Fingerprint.changeset(fingerprint, %{})
+  end
+
+  alias Philomena.Bans.Subnet
+
+  @doc """
+  Returns the list of subnet_bans.
+
+  ## Examples
+
+      iex> list_subnet_bans()
+      [%Subnet{}, ...]
+
+  """
+  def list_subnet_bans do
+    Repo.all(Subnet)
+  end
+
+  @doc """
+  Gets a single subnet.
+
+  Raises `Ecto.NoResultsError` if the Subnet does not exist.
+
+  ## Examples
+
+      iex> get_subnet!(123)
+      %Subnet{}
+
+      iex> get_subnet!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_subnet!(id), do: Repo.get!(Subnet, id)
+
+  @doc """
+  Creates a subnet.
+
+  ## Examples
+
+      iex> create_subnet(%{field: value})
+      {:ok, %Subnet{}}
+
+      iex> create_subnet(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_subnet(attrs \\ %{}) do
+    %Subnet{}
+    |> Subnet.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a subnet.
+
+  ## Examples
+
+      iex> update_subnet(subnet, %{field: new_value})
+      {:ok, %Subnet{}}
+
+      iex> update_subnet(subnet, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_subnet(%Subnet{} = subnet, attrs) do
+    subnet
+    |> Subnet.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a Subnet.
+
+  ## Examples
+
+      iex> delete_subnet(subnet)
+      {:ok, %Subnet{}}
+
+      iex> delete_subnet(subnet)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_subnet(%Subnet{} = subnet) do
+    Repo.delete(subnet)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking subnet changes.
+
+  ## Examples
+
+      iex> change_subnet(subnet)
+      %Ecto.Changeset{source: %Subnet{}}
+
+  """
+  def change_subnet(%Subnet{} = subnet) do
+    Subnet.changeset(subnet, %{})
+  end
+
+  alias Philomena.Bans.User
+
+  @doc """
+  Returns the list of user_bans.
+
+  ## Examples
+
+      iex> list_user_bans()
+      [%User{}, ...]
+
+  """
+  def list_user_bans do
+    Repo.all(User)
+  end
+
+  @doc """
+  Gets a single user.
+
+  Raises `Ecto.NoResultsError` if the User does not exist.
+
+  ## Examples
+
+      iex> get_user!(123)
+      %User{}
+
+      iex> get_user!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_user!(id), do: Repo.get!(User, id)
+
+  @doc """
+  Creates a user.
+
+  ## Examples
+
+      iex> create_user(%{field: value})
+      {:ok, %User{}}
+
+      iex> create_user(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_user(attrs \\ %{}) do
+    %User{}
+    |> User.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a user.
+
+  ## Examples
+
+      iex> update_user(user, %{field: new_value})
+      {:ok, %User{}}
+
+      iex> update_user(user, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_user(%User{} = user, attrs) do
+    user
+    |> User.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a User.
+
+  ## Examples
+
+      iex> delete_user(user)
+      {:ok, %User{}}
+
+      iex> delete_user(user)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_user(%User{} = user) do
+    Repo.delete(user)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking user changes.
+
+  ## Examples
+
+      iex> change_user(user)
+      %Ecto.Changeset{source: %User{}}
+
+  """
+  def change_user(%User{} = user) do
+    User.changeset(user, %{})
+  end
+end
diff --git a/lib/philomena/bans/fingerprint.ex b/lib/philomena/bans/fingerprint.ex
new file mode 100644
index 00000000..a76cf137
--- /dev/null
+++ b/lib/philomena/bans/fingerprint.ex
@@ -0,0 +1,24 @@
+defmodule Philomena.Bans.Fingerprint do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  schema "fingerprint_bans" do
+    belongs_to :banning_user, Philomena.Users.User
+
+    field :reason, :string
+    field :note, :string
+    field :enabled, :boolean, default: true
+    field :valid_until, :naive_datetime
+    field :fingerprint, :string
+    field :generated_ban_id, :string
+
+    timestamps(inserted_at: :created_at)
+  end
+
+  @doc false
+  def changeset(fingerprint, attrs) do
+    fingerprint
+    |> cast(attrs, [])
+    |> validate_required([])
+  end
+end
diff --git a/lib/philomena/bans/subnet.ex b/lib/philomena/bans/subnet.ex
new file mode 100644
index 00000000..7add4880
--- /dev/null
+++ b/lib/philomena/bans/subnet.ex
@@ -0,0 +1,24 @@
+defmodule Philomena.Bans.Subnet do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  schema "subnet_bans" do
+    belongs_to :banning_user, Philomena.Users.User
+
+    field :reason, :string
+    field :note, :string
+    field :enabled, :boolean, default: true
+    field :valid_until, :naive_datetime
+    field :specification, EctoNetwork.INET
+    field :generated_ban_id, :string
+
+    timestamps(inserted_at: :created_at)
+  end
+
+  @doc false
+  def changeset(subnet, attrs) do
+    subnet
+    |> cast(attrs, [])
+    |> validate_required([])
+  end
+end
diff --git a/lib/philomena/bans/user.ex b/lib/philomena/bans/user.ex
new file mode 100644
index 00000000..cd72cd20
--- /dev/null
+++ b/lib/philomena/bans/user.ex
@@ -0,0 +1,25 @@
+defmodule Philomena.Bans.User do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  schema "user_bans" do
+    belongs_to :user, Philomena.Users.User
+    belongs_to :banning_user, Philomena.Users.User
+
+    field :reason, :string
+    field :note, :string
+    field :enabled, :boolean, default: true
+    field :valid_until, :naive_datetime
+    field :generated_ban_id, :string
+    field :override_ip_ban, :boolean, default: false
+
+    timestamps(inserted_at: :created_at)
+  end
+
+  @doc false
+  def changeset(user, attrs) do
+    user
+    |> cast(attrs, [])
+    |> validate_required([])
+  end
+end
diff --git a/test/philomena/bans_test.exs b/test/philomena/bans_test.exs
new file mode 100644
index 00000000..d527a09c
--- /dev/null
+++ b/test/philomena/bans_test.exs
@@ -0,0 +1,176 @@
+defmodule Philomena.BansTest do
+  use Philomena.DataCase
+
+  alias Philomena.Bans
+
+  describe "fingerprint_bans" do
+    alias Philomena.Bans.Fingerprint
+
+    @valid_attrs %{}
+    @update_attrs %{}
+    @invalid_attrs %{}
+
+    def fingerprint_fixture(attrs \\ %{}) do
+      {:ok, fingerprint} =
+        attrs
+        |> Enum.into(@valid_attrs)
+        |> Bans.create_fingerprint()
+
+      fingerprint
+    end
+
+    test "list_fingerprint_bans/0 returns all fingerprint_bans" do
+      fingerprint = fingerprint_fixture()
+      assert Bans.list_fingerprint_bans() == [fingerprint]
+    end
+
+    test "get_fingerprint!/1 returns the fingerprint with given id" do
+      fingerprint = fingerprint_fixture()
+      assert Bans.get_fingerprint!(fingerprint.id) == fingerprint
+    end
+
+    test "create_fingerprint/1 with valid data creates a fingerprint" do
+      assert {:ok, %Fingerprint{} = fingerprint} = Bans.create_fingerprint(@valid_attrs)
+    end
+
+    test "create_fingerprint/1 with invalid data returns error changeset" do
+      assert {:error, %Ecto.Changeset{}} = Bans.create_fingerprint(@invalid_attrs)
+    end
+
+    test "update_fingerprint/2 with valid data updates the fingerprint" do
+      fingerprint = fingerprint_fixture()
+      assert {:ok, %Fingerprint{} = fingerprint} = Bans.update_fingerprint(fingerprint, @update_attrs)
+    end
+
+    test "update_fingerprint/2 with invalid data returns error changeset" do
+      fingerprint = fingerprint_fixture()
+      assert {:error, %Ecto.Changeset{}} = Bans.update_fingerprint(fingerprint, @invalid_attrs)
+      assert fingerprint == Bans.get_fingerprint!(fingerprint.id)
+    end
+
+    test "delete_fingerprint/1 deletes the fingerprint" do
+      fingerprint = fingerprint_fixture()
+      assert {:ok, %Fingerprint{}} = Bans.delete_fingerprint(fingerprint)
+      assert_raise Ecto.NoResultsError, fn -> Bans.get_fingerprint!(fingerprint.id) end
+    end
+
+    test "change_fingerprint/1 returns a fingerprint changeset" do
+      fingerprint = fingerprint_fixture()
+      assert %Ecto.Changeset{} = Bans.change_fingerprint(fingerprint)
+    end
+  end
+
+  describe "subnet_bans" do
+    alias Philomena.Bans.Subnet
+
+    @valid_attrs %{}
+    @update_attrs %{}
+    @invalid_attrs %{}
+
+    def subnet_fixture(attrs \\ %{}) do
+      {:ok, subnet} =
+        attrs
+        |> Enum.into(@valid_attrs)
+        |> Bans.create_subnet()
+
+      subnet
+    end
+
+    test "list_subnet_bans/0 returns all subnet_bans" do
+      subnet = subnet_fixture()
+      assert Bans.list_subnet_bans() == [subnet]
+    end
+
+    test "get_subnet!/1 returns the subnet with given id" do
+      subnet = subnet_fixture()
+      assert Bans.get_subnet!(subnet.id) == subnet
+    end
+
+    test "create_subnet/1 with valid data creates a subnet" do
+      assert {:ok, %Subnet{} = subnet} = Bans.create_subnet(@valid_attrs)
+    end
+
+    test "create_subnet/1 with invalid data returns error changeset" do
+      assert {:error, %Ecto.Changeset{}} = Bans.create_subnet(@invalid_attrs)
+    end
+
+    test "update_subnet/2 with valid data updates the subnet" do
+      subnet = subnet_fixture()
+      assert {:ok, %Subnet{} = subnet} = Bans.update_subnet(subnet, @update_attrs)
+    end
+
+    test "update_subnet/2 with invalid data returns error changeset" do
+      subnet = subnet_fixture()
+      assert {:error, %Ecto.Changeset{}} = Bans.update_subnet(subnet, @invalid_attrs)
+      assert subnet == Bans.get_subnet!(subnet.id)
+    end
+
+    test "delete_subnet/1 deletes the subnet" do
+      subnet = subnet_fixture()
+      assert {:ok, %Subnet{}} = Bans.delete_subnet(subnet)
+      assert_raise Ecto.NoResultsError, fn -> Bans.get_subnet!(subnet.id) end
+    end
+
+    test "change_subnet/1 returns a subnet changeset" do
+      subnet = subnet_fixture()
+      assert %Ecto.Changeset{} = Bans.change_subnet(subnet)
+    end
+  end
+
+  describe "user_bans" do
+    alias Philomena.Bans.User
+
+    @valid_attrs %{}
+    @update_attrs %{}
+    @invalid_attrs %{}
+
+    def user_fixture(attrs \\ %{}) do
+      {:ok, user} =
+        attrs
+        |> Enum.into(@valid_attrs)
+        |> Bans.create_user()
+
+      user
+    end
+
+    test "list_user_bans/0 returns all user_bans" do
+      user = user_fixture()
+      assert Bans.list_user_bans() == [user]
+    end
+
+    test "get_user!/1 returns the user with given id" do
+      user = user_fixture()
+      assert Bans.get_user!(user.id) == user
+    end
+
+    test "create_user/1 with valid data creates a user" do
+      assert {:ok, %User{} = user} = Bans.create_user(@valid_attrs)
+    end
+
+    test "create_user/1 with invalid data returns error changeset" do
+      assert {:error, %Ecto.Changeset{}} = Bans.create_user(@invalid_attrs)
+    end
+
+    test "update_user/2 with valid data updates the user" do
+      user = user_fixture()
+      assert {:ok, %User{} = user} = Bans.update_user(user, @update_attrs)
+    end
+
+    test "update_user/2 with invalid data returns error changeset" do
+      user = user_fixture()
+      assert {:error, %Ecto.Changeset{}} = Bans.update_user(user, @invalid_attrs)
+      assert user == Bans.get_user!(user.id)
+    end
+
+    test "delete_user/1 deletes the user" do
+      user = user_fixture()
+      assert {:ok, %User{}} = Bans.delete_user(user)
+      assert_raise Ecto.NoResultsError, fn -> Bans.get_user!(user.id) end
+    end
+
+    test "change_user/1 returns a user changeset" do
+      user = user_fixture()
+      assert %Ecto.Changeset{} = Bans.change_user(user)
+    end
+  end
+end