# IP addesses and ports used by TTN

**URL:** <https://www.thethingsnetwork.org/forum/t/ip-addesses-and-ports-used-by-ttn/49360>\
**Category:** Gateways\
**Created:** [July 2, 2021, 12:57pm UTC](https://www.thethingsnetwork.org/forum/t/ip-addesses-and-ports-used-by-ttn/49360 "2021-07-02T12:57:53Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Kampi](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/kampi/32/35697_2.png) [@Kampi](https://www.thethingsnetwork.org/forum/u/Kampi)\
**Post date:** [July 2, 2021, 12:57pm UTC](https://www.thethingsnetwork.org/forum/t/ip-addesses-and-ports-used-by-ttn/49360/1 "2021-07-02T12:57:54Z")

</div>

Hi,

I want to use a Dragino Outdoor Gateway with an M2M sim card and I need to know which ports and IP addresses (address spaces) are used by TTN to open them by the APN. Is there any documentation with those pieces of information available?