Source IP Address Ranges for Bid Requests

Last Update: 10-25-2018

The following are IP address ranges you can expect our requests to come from.
Note: this list does change. If the exact list of IP addresses is needed for whitelisting, please reach out to your Demand Services Manager or submit a request to confirm the latest.

AWS Hosted IP Ranges
us-east: 18.207.5.0/25
us-east: 35.175.114.128/25
us-west: 13.52.5.128/25
us-west: 13.52.9.128/25

US Exchange
152.163.56.192/26
152.163.56.128/26
152.163.59.64/26
152.163.68.128/27
152.163.68.192/27
152.163.71.128/27
152.163.71.192/27
152.163.67.192/27
149.174.8.192/26
64.12.148.64/26
64.12.81.192/26
64.12.148.128/26
152.163.72.0/26
152.163.69.192/26
152.163.73.0/26
152.163.72.128/26
152.163.72.64/26

APAC Exchange
161.202.35.144/28
161.202.39.64/27

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