diff --git a/modules/security/src/main/Api.scala b/modules/security/src/main/Api.scala
index cde5db9dce..133d5263da 100644
--- a/modules/security/src/main/Api.scala
+++ b/modules/security/src/main/Api.scala
@@ -78,6 +78,14 @@ private[security] final class Api(firewall: Firewall, tor: Tor) {
             _.flatMap(_.getAs[String]("user"))
           }
       }
+
+  def userIdsByIp(ip: String): Fu[List[String]] =
+    tube.storeColl.find(
+      BSONDocument("ip" -> ip),
+      BSONDocument("user" -> true)
+    ).cursor[BSONDocument]().collect[List]().map {
+        _.flatMap(_.getAs[String]("user"))
+      }.map(_.distinct)
 }
 
 object Api {
diff --git a/modules/security/src/main/Whois.scala b/modules/security/src/main/Whois.scala
index 96a678a513..380d0f8214 100644
--- a/modules/security/src/main/Whois.scala
+++ b/modules/security/src/main/Whois.scala
@@ -8,7 +8,7 @@ final class Whois(key: String, api: Api, tor: Tor, userJson: lila.user.JsonView)
 
   def apply(ip: String, reqKey: String): Fu[Either[String, JsObject]] =
     if (reqKey != key) fuccess(Left("Invalid key"))
-    else api.userIdsSharingIp(ip) flatMap lila.user.UserRepo.byIds map { users =>
+    else api.userIdsByIp(ip) flatMap lila.user.UserRepo.byIds map { users =>
       Right(Json.obj(
         "ip" -> ip,
         "tor" -> tor.isExitNode(ip),