I see it in the 3rd result:
https://i.imgur.com/HbhvISk.png
This means DuckDuckGo uses Bing for its results. But it doesn't mean DuckDuckGo is forwarding your IP to Bing.
https://i.imgur.com/HbhvISk.png
This means DuckDuckGo uses Bing for its results. But it doesn't mean DuckDuckGo is forwarding your IP to Bing.
I tried that, and did not see 207.* anywhere on the page. It displayed my IP address above the results list, and then a list of reasonable results for that query, without any IP addresses listed in any of the descriptions.