diff --git a/constants/additionalChainRegistry/chainid-1991.js b/constants/additionalChainRegistry/chainid-1991.js
new file mode 100644
index 0000000000..5e8321ef80
--- /dev/null
+++ b/constants/additionalChainRegistry/chainid-1991.js
@@ -0,0 +1,24 @@
+export const data = {
+  "name": "DNetwork",
+  "chain": "DNetwork",
+  "rpc": [
+    "https://rpc.dnetwork.ai"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "D Network Asset",
+    "symbol": "DNA",
+    "decimals": 18
+  },
+  "infoURL": "https://dnetwork.ai",
+  "shortName": "dna",
+  "chainId": 1991,
+  "networkId": 1991,
+  "explorers": [
+    {
+      "name": "DNetwork Scan",
+      "url": "https://scan.dnetwork.ai",
+      "standard": "EIP3091"
+    }
+  ]
+};