diff --git a/Gemfile b/Gemfile
index fcd7dad4c4e91ddd98359a6dc8138af8203d7d39..c2c1212afe6403620b5a0f380004d0d8e1cc044d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,6 +9,7 @@ gem "money-open-exchange-rates"
 gem "pg"
 gem "redis"
 gem "roda"
+gem "ruby-bandwidth-iris"
 gem "sentry-ruby"
 gem "slim"
 
diff --git a/bin/active_tels_on_catapult b/bin/active_tels_on_catapult
new file mode 100755
index 0000000000000000000000000000000000000000..35ff01928cd6e4576024622571cd1b42975b5aba
--- /dev/null
+++ b/bin/active_tels_on_catapult
@@ -0,0 +1,51 @@
+#!/usr/bin/ruby
+# frozen_string_literal: true
+
+require "dhall"
+require "net/http"
+require "pg"
+require "redis"
+require "ruby-bandwidth-iris"
+
+require_relative "../lib/blather_notify"
+
+CONFIG = Dhall.load(ARGV[0]).sync
+
+BandwidthIris::Client.global_options = {
+	account_id: CONFIG[:creds][:account],
+	username: CONFIG[:creds][:username],
+	password: CONFIG[:creds][:password]
+}
+
+REDIS = Redis.new
+DB = PG.connect(dbname: "jmp")
+DB.type_map_for_results = PG::BasicTypeMapForResults.new(DB)
+DB.type_map_for_queries = PG::BasicTypeMapForQueries.new(DB)
+
+def get_location(tel)
+	BandwidthIris::Tn.get(tel).get_sip_peers[:name]
+rescue BandwidthIris::Errors::GenericError
+	nil
+end
+
+DB.exec(
+	<<~SQL
+		select customer_id
+		from customer_plans
+		where expires_at > localtimestamp
+	SQL
+).each do |row|
+	cid = row["customer_id"]
+	next if REDIS.exists?("catapult_cred-customer_#{cid}@jmp.chat")
+	jid = REDIS.get("jmp_customer_jid-#{cid}")
+	tel = REDIS.lindex("catapult_cred-#{jid}", 3)
+	location = get_location(tel)
+	if location.nil?
+		# in catapult
+		puts tel
+	elsif location == "location1"
+		# in dashboard, using v1
+	else
+		raise "Unexpected location #{location}"
+	end
+end