# Which IP group do I create? **URL:** https://forum.networklessons.com/t/which-ip-group-do-i-create/12473 **Category:** Multicast **Created:** [October 7, 2020, 12:00pm UTC](https://forum.networklessons.com/t/which-ip-group-do-i-create/12473 "2020-10-07T12:00:48Z") **Posts on this page:** 1 **Showing post:** 2
### Author: ![lagapidis](https://cdn-forum.networklessons.com/user_avatar/forum.networklessons.com/lagapidis/32/4949_2.png) [@lagapidis](https://forum.networklessons.com/u/lagapidis) #### Post date: [October 8, 2020, 10:04am UTC](https://forum.networklessons.com/t/which-ip-group-do-i-create/12473/2 "2020-10-08T10:04:10Z")
Hello Patrick This question has been answered here: > [@Multicast Routing](https://forum.networklessons.com/t/multicast-routing/1330/29): > > Hello Patrick The multicast addresses that you can use are in the range of 224.0.0.0 to 239.255.255.255, but there are some reserved addresses within that range. The IP addresses you are using are all within the free for use ranges, except for 224.0.1.60 which is a well known multicast address registered as hp-device-disc as seen from the IANA address. Without researching it further, it is likely used by a service on an HP network device. Now having said that, how do you know what groups to … Laz --- _[View the full topic](https://forum.networklessons.com/t/which-ip-group-do-i-create/12473)._