diff --git a/README.md b/README.md
index fbd0902..ff7c4ee 100644
--- a/README.md
+++ b/README.md
@@ -110,4 +110,5 @@ Coming when I develop it...
 
 # Resources
 - https://pythonspeed.com/articles/alpine-docker-python this article is nuts :D
-- https://docs.docker.com/build/building/multi-stage/
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+- https://docs.docker.com/build/building/multi-stage/
+- https://github.com/jholtmann/ip_discovery
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