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OEM - What IP addresses should I allow through my firewall?

Written by Matthew Clark-Massera

Updated at July 5th, 2023

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uBlox Aiding Data Location Engine

As of May 2019, OEM server was migrated to Azure servers hosted in the US. Below are the IP addresses used by OEM server. Integrators will need to white list the IPs shown under "Device Data from OEM server to Software Platforms" to ensure that data can make it through their firewall.

Traffic Type  DNS Entry IP Address
Device to OEM Server
(Incoming device data)
s0.oemserver.com,
s1.oemserver.com,
s2.oemserver.com
104.45.188.217
External parties to OEM Web
API and Website
(Incoming HTTP traffic)
www.oemserver.com,
api.oemserver.com
104.45.178.83
Device Data from OEM Server
to Software Platforms
(Outgoing device data from
OEM, incoming to Software
Platforms)
 

104.45.178.34
104.45.185.0
52.188.217.241
52.151.234.162

52.188.216.242

52.226.91.133

52.191.90.98 

40.76.131.46
40.76.129.151
40.76.132.83

52.151.246.3

52.188.180.27

52.149.254.194

52.186.38.21

Firmware/Aiding Data files hosted on OEM

OEM hosts some files needed by different devices
ublox.oemserver.com
nrf.oemserver.com
lr1110.oemserver.com
20.188.210.208
(same for all 3 DNS entries)

uBlox Aiding Data

Server Description DNS Entry

The device will also periodically connect in to the uBlox servers, so these entries should be white listed also.

The IP addresses frequently change so it is important to add the DNS entry

online-live1.services.u-blox.com

online-live2.services.u-blox.com

offline-live1.services.u-blox.com

offline-live2.services.u-blox.com

Location Engine

Location Engine does not use Static IP addresses (even though it is an extension of OEM server).
Location Engine is hosted on Azure's ‘East US’ servers. The IP addresses used by these servers can be found here.

oem access firewall ip

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