diff --git a/docs/networks.md b/docs/networks.md
index 0c930f270..80242ce09 100644
--- a/docs/networks.md
+++ b/docs/networks.md
@@ -62,6 +62,16 @@ indexer. The only requirement is a minimum stake of 100k GRT.
 | `ethereum`           | `--ethereum-rpc` | `mainnet:...`                       |
 | `ipfs`               | `--ipfs`         | `https://ipfs.network.thegraph.com` |
 
+#### Firewall
+
+_If_ you have a firewall set up in front of your indexer, please allow the following gateway
+IP addresses through so you can receive queries:
+
+```
+34.69.33.152
+35.234.82.48
+```
+
 ## Testnet (https://testnet.thegraph.com/, Rinkeby)
 
 ### Registration / Funding (GRT)
@@ -168,3 +178,13 @@ testnet (for now) are all mainnet subgraphs. This means:
 | -------------------- | ---------------- | ----------------------------------- |
 | `ethereum`           | `--ethereum-rpc` | `mainnet:...`                       |
 | `ipfs`               | `--ipfs`         | `https://ipfs.testnet.thegraph.com` |
+
+
+#### Firewall
+
+_If_ you have a firewall set up in front of your indexer, please allow the following gateway
+IP addresses through so you can receive queries:
+
+```
+35.222.204.114
+```