diff --git a/app/models/prefix.rb b/app/models/prefix.rb
index db20a647d..332d41a49 100644
--- a/app/models/prefix.rb
+++ b/app/models/prefix.rb
@@ -7,6 +7,9 @@ class Prefix < ApplicationRecord
   # include helper module for Elasticsearch
   include Indexable
 
+  # include helper module for Prefix registration
+  include Identifiable
+
   include Elasticsearch::Model
 
   validates_presence_of :uid
@@ -102,6 +105,31 @@ def self.find_by_id(id)
     )
   end
 
+  def self.get_registration_agency
+    headers = [
+      "Prefix",
+      "RA",
+    ]
+
+    rows = Prefix.all.pluck(:uid).reduce([]) do |sum, prefix|
+      ra = get_doi_ra(prefix).to_s.downcase
+
+      if ra != "datacite"
+        row = {
+          prefix: prefix,
+          ra: ra,
+        }.values
+
+        sum << CSV.generate_line(row)
+      end
+
+      sum
+    end
+
+    csv = [CSV.generate_line(headers)] + rows
+    csv.join("")
+  end
+
   def client_ids
     clients.pluck(:symbol).map(&:downcase)
   end
diff --git a/lib/tasks/prefix.rake b/lib/tasks/prefix.rake
index 4490de8f0..aa498c157 100644
--- a/lib/tasks/prefix.rake
+++ b/lib/tasks/prefix.rake
@@ -71,6 +71,11 @@ namespace :prefix do
     puts Prefix.delete_by_query(index: ENV["INDEX"], query: ENV["QUERY"])
   end
 
+  desc "Get registration agency for each prefix"
+  task registration_agency: :environment do
+    puts Prefix.get_registration_agency
+  end
+
   desc "Delete prefix and associated DOIs"
   task delete: :environment do
     # These prefixes are used by multiple prefixes and can't be deleted