diff --git a/_data/chains/eip155-1284.json b/_data/chains/eip155-1284.json
new file mode 100644
index 00000000..546351b8
--- /dev/null
+++ b/_data/chains/eip155-1284.json
@@ -0,0 +1,21 @@
+{
+  "name": "Moonbeam Polkadot",
+  "chain": "MOON",
+  "network": "moonbeam",
+  "rpc": [
+    "",
+    ""
+  ],
+  "faucets": [
+    ""
+  ],
+  "nativeCurrency": {
+    "name": "Glimmer",
+    "symbol": "GLMR",
+    "decimals": 18
+  },
+  "infoURL": "https://moonbeam.network/networks/moonbeam/",
+  "shortName": "??",
+  "chainId": 1284,
+  "networkId": 1284
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-1285.json b/_data/chains/eip155-1285.json
new file mode 100644
index 00000000..2eed99ea
--- /dev/null
+++ b/_data/chains/eip155-1285.json
@@ -0,0 +1,21 @@
+{
+  "name": "Moonriver Kusama",
+  "chain": "MOON",
+  "network": "moonriver",
+  "rpc": [
+    "",
+    ""
+  ],
+  "faucets": [
+    ""
+  ],
+  "nativeCurrency": {
+    "name": "River",
+    "symbol": "RIVER",
+    "decimals": 18
+  },
+  "infoURL": "https://moonbeam.network/networks/moonriver/",
+  "shortName": "??",
+  "chainId": 1285,
+  "networkId": 1285
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-1286.json b/_data/chains/eip155-1286.json
new file mode 100644
index 00000000..b1d324f6
--- /dev/null
+++ b/_data/chains/eip155-1286.json
@@ -0,0 +1,21 @@
+{
+  "name": "Moonrock Rococo",
+  "chain": "MOON",
+  "network": "moonrock",
+  "rpc": [
+    "",
+    ""
+  ],
+  "faucets": [
+    ""
+  ],
+  "nativeCurrency": {
+    "name": "??",
+    "symbol": "??",
+    "decimals": 18
+  },
+  "infoURL": "",
+  "shortName": "??",
+  "chainId": 1286,
+  "networkId": 1286
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-1287.json b/_data/chains/eip155-1287.json
new file mode 100644
index 00000000..da616c7e
--- /dev/null
+++ b/_data/chains/eip155-1287.json
@@ -0,0 +1,21 @@
+{
+  "name": "Moonbeam Testnet Moonbase Alpha",
+  "chain": "MOON",
+  "network": "moonbase",
+  "rpc": [
+    "https://rpc.testnet.moonbeam.network",
+    "wss://wss.testnet.moonbeam.network"
+  ],
+  "faucets": [
+    ""
+  ],
+  "nativeCurrency": {
+    "name": "??",
+    "symbol": "DEV",
+    "decimals": 18
+  },
+  "infoURL": "https://docs.moonbeam.network/networks/testnet/",
+  "shortName": "??",
+  "chainId": 1287,
+  "networkId": 1287
+}
\ No newline at end of file