diff --git a/isp.md b/isp.md
index 8b28115e..ee9d4fad 100644
--- a/isp.md
+++ b/isp.md
@@ -15,6 +15,7 @@ A list of French and Belgian ISPs is available on the [french page](/isp_fr).
 | Charter | Multiple | Yes | No. Only for business class customer. | No | No | Yes, as a business class customer |
 | DSLExtreme | Multiple | Yes | Yes | No | No | Yes, extra charge. |
 | AT&T| Multiple | Yes | No. Only for business class customer. | unknown. | unknown. | unknown. |
+| Xfinity (Comcast)| Multiple | Yes | No. Only for business class customer. | unknown. | unknown. |  Yes, as a business class customer|
 
 ### UK
 | Service provider | Box (modem/router) | uPnP available | Port 25 openable | [Hairpinning](http://en.wikipedia.org/wiki/Hairpinning) | Customizable reverse DNS | Fix IP |