diff --git a/README.md b/README.md
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 # SLS HLA Framework
+
+
+## Hosts overview
+
+Check which network a host lives in, e.g. for `sls-lca`:
+```shell
+ping sls-lca.psi.ch
+```
+
+### Machine Net (PROD) 
+
+- sls-lca
+- sls-vserv-bd-01
+- sls-vserv-bd-hla01
+
+### Office Net (DEV) 
+
+- sls-lc8
+- sls-lc9
+- sls-vserv-bd-01-dev
+- sls-vserv-bd-hla01-dev