diff --git a/diagnostics_web3.js b/diagnostics_web3.js
new file mode 100644
index 0000000..1248205
--- /dev/null
+++ b/diagnostics_web3.js
@@ -0,0 +1,22 @@
+// Web 3 diagnostics utility 
+// (c) Taras Filatov, Dappros Ltd, 26.04.2021
+
+var Web3 = require('web3');
+// var provider = 'http://3.129.190.111';
+var provider = 'http://172.31.29.233';
+var web3Provider = new Web3.providers.HttpProvider(provider);
+var web3 = new Web3(web3Provider);
+
+// get last block
+web3.eth.getBlockNumber().then((result) => {
+  console.log("Latest Ethereum Block is ",result);
+});
+
+// get accounts
+web3.eth.personal.getAccounts().then((result) => {
+  console.log("Accounts list: ",result);
+});
+
+// get a specific block
+web3.eth.getBlockTransactionCount(17).then(console.log);
+web3.eth.getBlock(17).then(console.log);