diff --git a/r2/r2/lib/utils/utils.py b/r2/r2/lib/utils/utils.py
index 4730610d0..4f29e5e9f 100644
--- a/r2/r2/lib/utils/utils.py
+++ b/r2/r2/lib/utils/utils.py
@@ -1127,6 +1127,7 @@ def ip_and_slash16(req):
 
     if ip is None:
         raise ValueError("request.ip is None")
+    ip = ip.strip()
 
     m = r_subnet.match(ip)
     if m is None: