diff --git a/package.json b/package.json
index 9d9b1a6c..a6b4535c 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
     "prepublishOnly": "yarn validate:chains",
     "prettier": "prettier --write \"./**/*.{js,md,json}\"",
     "providers:ping": "ts-node scripts/ping-providers.ts",
+    "providers:time": "ts-node scripts/calculate-average-block-times.ts",
     "test": "node --test --loader ts-node/esm ./src/**/*.test.ts",
     "validate": "yarn validate:chains",
     "validate:chains": "ts-node scripts/validate-chains.ts"
diff --git a/scripts/calculate-average-block-times.ts b/scripts/calculate-average-block-times.ts
index 5dc9cdfe..592dad47 100644
--- a/scripts/calculate-average-block-times.ts
+++ b/scripts/calculate-average-block-times.ts
@@ -6,8 +6,11 @@ import { CHAINS } from '../src';
 const BLOCK_LOOKBACK = 400_000;
 
 async function calculateAverageBlockTimes(): Promise<void> {
+  const specifiedChain = CHAINS.find(chain => chain.alias === process.env.CHAIN);
+  const chains = specifiedChain ? [specifiedChain] : CHAINS;
+
   const results = await Promise.allSettled(
-    CHAINS.map(async (chain) => {
+    chains.map(async (chain) => {
       const provider = new JsonRpcProvider(chain.providerUrl);
       const chainId = (await provider.getNetwork()).chainId;
       if (chainId.toString() !== chain.id) {
diff --git a/scripts/ping-providers.ts b/scripts/ping-providers.ts
index 87143ca6..76f97956 100644
--- a/scripts/ping-providers.ts
+++ b/scripts/ping-providers.ts
@@ -1,7 +1,8 @@
 import { JsonRpcProvider } from 'ethers';
-import { CHAINS, getChainByAlias } from '../src';
+import { CHAINS } from '../src';
 
-const chains = process.env.CHAIN ? [getChainByAlias(process.env.CHAIN)] : CHAINS;
+const specifiedChain = CHAINS.find(chain => chain.alias === process.env.CHAIN);
+const chains = specifiedChain ? [specifiedChain] : CHAINS;
 
 chains.forEach(async (chain) => {
   const provider = new JsonRpcProvider(chain.providerUrl);