diff --git a/src/dandi_s3_log_parser/_map_binned_s3_logs_to_dandisets.py b/src/dandi_s3_log_parser/_map_binned_s3_logs_to_dandisets.py
index 28ceb435..328ebac6 100644
--- a/src/dandi_s3_log_parser/_map_binned_s3_logs_to_dandisets.py
+++ b/src/dandi_s3_log_parser/_map_binned_s3_logs_to_dandisets.py
@@ -113,6 +113,8 @@ def _map_binned_logs_to_dandiset(
 
     all_reduced_s3_logs_per_blob_id_aggregated_by_day = dict()
     all_reduced_s3_logs_per_blob_id_aggregated_by_region = dict()
+    all_reduced_s3_logs_per_blob_id_aggregated_by_ip = dict()
+
     blob_id_to_asset_path = dict()
     total_bytes_across_versions_by_blob_id = dict()
     dandiset_versions = list(dandiset.get_versions())
@@ -180,10 +182,10 @@ def _map_binned_logs_to_dandiset(
                 for ip_address in reduced_s3_log_binned_by_blob_id["ip_address"]
             ]
 
-            reordered_reduced_s3_log = reduced_s3_log_binned_by_blob_id.reindex(
-                columns=("timestamp", "bytes_sent", "region")
+            reordered_reduced_s3_log = reduced_s3_log_binned_by_blob_id.sort_values(
+                by="timestamp",
+                key=natsort.natsort_keygen(),
             )
-            reordered_reduced_s3_log.sort_values(by="timestamp", key=natsort.natsort_keygen(), inplace=True)
             reordered_reduced_s3_log.index = range(len(reordered_reduced_s3_log))
 
             dandiset_version_log_folder_path.mkdir(parents=True, exist_ok=True)
@@ -205,6 +207,11 @@ def _map_binned_logs_to_dandiset(
             all_reduced_s3_logs_aggregated_by_region_for_version.append(aggregated_activity_by_region)
             all_reduced_s3_logs_per_blob_id_aggregated_by_region[blob_id] = aggregated_activity_by_region
 
+            aggregated_activity_by_ip = _aggregate_activity_by_ip_per_asset(
+                reduced_s3_logs_per_asset=reordered_reduced_s3_log
+            )
+            all_reduced_s3_logs_per_blob_id_aggregated_by_ip[blob_id] = aggregated_activity_by_ip
+
             total_bytes = sum(reduced_s3_log_binned_by_blob_id["bytes_sent"])
             total_bytes_per_asset_path[asset.path] = total_bytes
 
@@ -256,6 +263,12 @@ def _map_binned_logs_to_dandiset(
         total_bytes_per_asset_path=total_bytes_across_versions_by_asset, file_path=dandiset_summary_by_asset_file_path
     )
 
+    dandiset_summary_by_ip_file_path = dandiset_log_folder_path / "dandiset_summary_by_ip.tsv"
+    _write_aggregated_activity_by_ip(
+        reduced_s3_logs_per_day=all_reduced_s3_logs_per_blob_id_aggregated_by_ip.values(),
+        file_path=dandiset_summary_by_ip_file_path,
+    )
+
     return None
 
 
@@ -295,6 +308,31 @@ def _aggregate_activity_by_asset(total_bytes_per_asset_path: dict[str, int]) ->
     return aggregated_activity_by_asset
 
 
+def _aggregate_activity_by_ip_per_asset(reduced_s3_logs_per_asset: pandas.DataFrame) -> pandas.DataFrame:
+    reduced_s3_logs_clipped = reduced_s3_logs_per_asset.reindex(columns=("date", "ip_address"))
+    pre_aggregated = reduced_s3_logs_clipped.groupby(by="date", as_index=False)["ip_address"].agg([list, "nunique"])
+    pre_aggregated.rename(columns={"nunique": "num_unique_access"}, inplace=True)
+    pre_aggregated.sort_values(by="date", key=natsort.natsort_keygen(), inplace=True)
+    aggregated_activity_by_ip = pre_aggregated.reindex(columns=("date", "num_unique_access"))
+
+    return aggregated_activity_by_ip
+
+
+def _aggregate_activity_by_ip(reduced_s3_logs_per_day: Iterable[pandas.DataFrame]) -> pandas.DataFrame:
+    all_reduced_s3_logs = pandas.concat(objs=reduced_s3_logs_per_day, ignore_index=True)
+    all_reduced_s3_logs_clipped = all_reduced_s3_logs.reindex(columns=("date", "num_unique_access"))
+
+    pre_aggregated = all_reduced_s3_logs_clipped.groupby(by="date", as_index=False)["num_unique_access"].agg(
+        [list, "sum"]
+    )
+    pre_aggregated.rename(columns={"sum": "num_unique_access"}, inplace=True)
+    pre_aggregated.sort_values(by="date", key=natsort.natsort_keygen(), inplace=True)
+
+    aggregated_activity_by_ip = pre_aggregated.reindex(columns=("date", "num_unique_access"))
+
+    return aggregated_activity_by_ip
+
+
 def _write_aggregated_activity_by_day(
     reduced_s3_logs_per_day: Iterable[pandas.DataFrame], file_path: pathlib.Path
 ) -> None:
@@ -304,6 +342,15 @@ def _write_aggregated_activity_by_day(
     return None
 
 
+def _write_aggregated_activity_by_ip(
+    reduced_s3_logs_per_day: Iterable[pandas.DataFrame], file_path: pathlib.Path
+) -> None:
+    aggregated_activity_by_ip = _aggregate_activity_by_ip(reduced_s3_logs_per_day=reduced_s3_logs_per_day)
+    aggregated_activity_by_ip.to_csv(path_or_buf=file_path, mode="w", sep="\t", header=True, index=False)
+
+    return None
+
+
 def _write_aggregated_activity_by_region(
     reduced_s3_logs_per_day: Iterable[pandas.DataFrame], file_path: pathlib.Path
 ) -> None: