diff --git a/bin/opd8n/src/cli.rs b/bin/opd8n/src/cli.rs
index b4fc7e9..86557b9 100644
--- a/bin/opd8n/src/cli.rs
+++ b/bin/opd8n/src/cli.rs
@@ -27,13 +27,29 @@ pub enum Commands {
         #[command(flatten)]
         l1_args: L1Args,
     },
+    /// Gets the L2 block info including the l1 origin for the l2 block number.
+    #[command(visible_alias = "i")]
+    Info {
+        /// The L2 Chain ID
+        #[clap(short, long, help = "L2 chain ID")]
+        l2_chain_id: u64,
+        /// The L2 block number to get info for
+        #[clap(short, long, help = "L2 block number")]
+        l2_block: u64,
+        /// The rpc url to fetch L2 block info from.
+        #[clap(long, help = "RPC url to fetch L2 block info from")]
+        rpc_url: String,
+    },
 }
 
 #[derive(Parser, Clone, Debug)]
 pub struct L1Args {
-    /// A list of L1 blocks to fetch data from.
-    #[clap(short, long, help = "L1 block number")]
-    pub blocks: Vec<u64>,
+    /// The L1 block number to start from
+    #[clap(short, long, help = "Starting L1 block number")]
+    pub start_block: u64,
+    /// The L1 block number to end at
+    #[clap(short, long, help = "Ending L1 block number")]
+    pub end_block: u64,
     /// A list of L2 output root hashes to assert against.
     #[clap(short, long, help = "L2 output root hashes")]
     pub outputs: Vec<B256>,
@@ -58,6 +74,11 @@ impl Cli {
         match self.command {
             Commands::FromL2 { input } => Self::load(input).await,
             Commands::FromL1 { l1_args } => crate::from_l1::run(l1_args).await,
+            Commands::Info {
+                l2_chain_id,
+                l2_block,
+                rpc_url,
+            } => crate::info::run(l2_chain_id, l2_block, rpc_url).await,
         }
     }
 
diff --git a/bin/opd8n/src/from_l1.rs b/bin/opd8n/src/from_l1.rs
index 644ea42..90692c3 100644
--- a/bin/opd8n/src/from_l1.rs
+++ b/bin/opd8n/src/from_l1.rs
@@ -22,8 +22,8 @@ use crate::cli::L1Args;
 /// data associated with this block.
 pub async fn run(args: L1Args) -> Result<()> {
     ensure!(
-        !args.blocks.is_empty(),
-        "Must provide at least one L1 block number"
+        args.end_block > args.start_block,
+        "End block must come after the start block"
     );
     let outputs = if args.derive {
         derive(&args).await?
@@ -34,17 +34,10 @@ pub async fn run(args: L1Args) -> Result<()> {
         !outputs.is_empty(),
         "Must provide at least one L2 output root"
     );
-    let min = args
-        .blocks
-        .iter()
-        .min()
-        .ok_or_else(|| eyre!("No minimum block number"))?;
-    let max = args
-        .blocks
-        .iter()
-        .max()
-        .ok_or_else(|| eyre!("No maximum block number"))?;
-    trace!(target: "from-l1", "Producing derivation fixture for L1 block range [{}, {}]", min, max);
+    trace!(target: "from-l1", "Producing derivation fixture for L1 block range [{}, {}]", args.start_block, args.end_block);
+
+    // Construct a sequential list of block numbers from [start_block, end_block].
+    let blocks = (args.start_block..=args.end_block).collect::<Vec<_>>();
 
     // Construct the providers
     let l1_rpc_url = Url::parse(&args.rpc_url).map_err(|e| eyre!("Invalid L1 RPC URL: {}", e))?;
@@ -72,7 +65,7 @@ pub async fn run(args: L1Args) -> Result<()> {
     let fixture_blocks = build_fixture_blocks(
         batcher_address,
         signer,
-        &args.blocks,
+        &blocks,
         &mut l1_provider,
         &mut blob_provider,
     )
diff --git a/bin/opd8n/src/info.rs b/bin/opd8n/src/info.rs
new file mode 100644
index 0000000..e586cea
--- /dev/null
+++ b/bin/opd8n/src/info.rs
@@ -0,0 +1,23 @@
+//! Info Module
+
+use color_eyre::eyre::{eyre, Result};
+use kona_derive::online::AlloyL2ChainProvider;
+use kona_derive::traits::L2ChainProvider;
+use reqwest::Url;
+use std::sync::Arc;
+use superchain_registry::ROLLUP_CONFIGS;
+
+pub async fn run(l2_chain_id: u64, block: u64, rpc_url: String) -> Result<()> {
+    let url = Url::parse(&rpc_url).map_err(|e| eyre!("Invalid RPC URL: {}", e))?;
+    let rollup_config = ROLLUP_CONFIGS
+        .get(&l2_chain_id)
+        .ok_or_else(|| eyre!("No rollup config found for chain id: {}", l2_chain_id))?;
+    let rollup_config = Arc::new(rollup_config.clone());
+    let mut provider = AlloyL2ChainProvider::new_http(url, rollup_config);
+    let info = provider
+        .l2_block_info_by_number(block)
+        .await
+        .map_err(|e| eyre!("Failed to fetch block info: {}", e))?;
+    println!("{:#?}", info);
+    Ok(())
+}
diff --git a/bin/opd8n/src/main.rs b/bin/opd8n/src/main.rs
index bb964fa..52e9279 100644
--- a/bin/opd8n/src/main.rs
+++ b/bin/opd8n/src/main.rs
@@ -4,6 +4,7 @@ use color_eyre::eyre::Result;
 pub mod blobs;
 pub mod cli;
 pub mod from_l1;
+pub mod info;
 
 #[tokio::main]
 async fn main() -> Result<()> {
diff --git a/fixtures/derivation/.gitkeep b/fixtures/derivation/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/fixtures/derivation/Block1000000.json b/fixtures/derivation/Block1000000.json
new file mode 100644
index 0000000..ccbfeed
--- /dev/null
+++ b/fixtures/derivation/Block1000000.json
@@ -0,0 +1,52 @@
+{
+  "l1Blocks": [
+    {
+      "number": 1000000,
+      "hash": "0xf2f366c335a21d93f415bd4fbb15503e66909dd1d29acdcc1361bcaabe552c25",
+      "timestamp": 1639128595,
+      "transactions": [
+        "0xf8ab83053152830f42408307a1209425e1c58040f27ecf20bbd4ca83a09290326896b380b844202ee0ed000000000000000000000000000000000000000000000000000000000000f87d0000000000000000000000000000000000000000000000000000005f625aa20037a0aa428b8edc295c6fe45ac547d0ea0d7b5d21cddffa540a0efe2c3919faafba2ca0074d95c243613761482ba8de82d35b35e4c2c7036f52e91eda0c1ef1375a3dd4"
+      ],
+      "blobs": []
+    },
+    {
+      "number": 1000001,
+      "hash": "0x3461f55097bad77c0a272eddf68a49fc6baf89b0d005e65a6fa73872cb95e9ee",
+      "timestamp": 1639128595,
+      "transactions": [
+        "0xf8ab83034cfb830f42408307a120942e4a187732166a0282e52527b931c96146ac7c5880b844202ee0ed0000000000000000000000000000000000000000000000000000000000019de90000000000000000000000000000000000000000000000000000000021989dee38a004f4b36800df92a4ce2ad303b02529488e75cb2d25724047e0d85d0d6e996b34a01415643e528c0360f16a22e5d51ec2299bffc82c937ad0e8c4f02ec18696ee11"
+      ],
+      "blobs": []
+    },
+    {
+      "number": 1000002,
+      "hash": "0xcb884ef66577a707544a25945a01fa2135d047d7fb89089ef227b8dafa8e0e4a",
+      "timestamp": 1639128595,
+      "transactions": [
+        "0xf8ab83053153830f42408307a120942e4a187732166a0282e52527b931c96146ac7c5880b844202ee0ed0000000000000000000000000000000000000000000000000000000000019de900000000000000000000000000000000000000000000000000000000216b64d938a0784693b8703f496918f6ec86570c2b6c612ffd2d04de9e95acceaa193c3e1894a02d0bcdc6885f12f16beb09e0a997ae07c1120e5f3bb086a76face876956b6d2a"
+      ],
+      "blobs": []
+    },
+    {
+      "number": 1000003,
+      "hash": "0x9a30d7d3487f54d099a9f0aaf3b5b70f5ed0eb02cf7e27e0abef69c71576108f",
+      "timestamp": 1639128595,
+      "transactions": [
+        "0xf8ab8304c91e830f42408307a120942e4a187732166a0282e52527b931c96146ac7c5880b844202ee0ed0000000000000000000000000000000000000000000000000000000000019de900000000000000000000000000000000000000000000000000000000216275b538a0d7c0fa6c5addd96ef7d1401cfff00ac93e456512319e943100520d581852bd0fa01a91ce34ab319bd85fbe063ce85c0344d491dda07bf4ec53c8e2e911421aae46"
+      ],
+      "blobs": []
+    },
+    {
+      "number": 1000004,
+      "hash": "0x077eebe1973ffc700426c5b9b286decd18a90e055298b268e5d5378265ea5922",
+      "timestamp": 1639128595,
+      "transactions": [
+        "0xf8ab830475a8830f42408307a120942e4a187732166a0282e52527b931c96146ac7c5880b844202ee0ed0000000000000000000000000000000000000000000000000000000000019de900000000000000000000000000000000000000000000000000000000215ddec038a039a12a6bfae4354eec9f03fd917de52a67d03b2b510c741e6693aab230849680a044bc938dd8cd9151a2554f35c190ad3cfdec16c492a3b793b3ebb70425cb3de9"
+      ],
+      "blobs": []
+    }
+  ],
+  "l2OutputRoots": [
+    "0x0000000000000000000000000000000000000000000000000000000000000000"
+  ]
+}
\ No newline at end of file