diff --git a/beacon_chain/inspector.nim b/beacon_chain/inspector.nim
index 19dec979b..b8c5a3984 100644
--- a/beacon_chain/inspector.nim
+++ b/beacon_chain/inspector.nim
@@ -51,7 +51,8 @@ type
     next_fork_epoch*: Epoch
 
   TopicFilter* {.pure.} = enum
-    Blocks, Attestations, Exits, ProposerSlashing, AttesterSlashings
+    Blocks, Attestations, Exits, ProposerSlashing, AttesterSlashings,
+      InteropAttestations
 
   BootstrapKind* {.pure.} = enum
     Enr, MultiAddr
@@ -200,6 +201,9 @@ func getTopics(forkDigest: ForkDigest,
   of TopicFilter.AttesterSlashings:
     let topic = getAttesterSlashingsTopic(forkDigest)
     @[topic, topic & "_snappy"]
+  of TopicFilter.InteropAttestations:
+    let topic = getInteropAttestationTopic(forkDigest)
+    @[topic, topic & "_snappy"]
   of TopicFilter.Attestations:
     var topics = newSeq[string](ATTESTATION_SUBNET_COUNT * 2)
     var offset = 0
@@ -530,6 +534,9 @@ proc pubsubLogger(conf: InspectorConf, switch: Switch,
       elif topic.endsWith(topicAggregateAndProofsSuffix) or
            topic.endsWith(topicAggregateAndProofsSuffix & "_snappy"):
         info "AggregateAndProof", msg = SSZ.decode(buffer, AggregateAndProof)
+      elif topic.endsWith(topicInteropAttestationSuffix) or
+           topic.endsWith(topicInteropAttestationSuffix & "_snappy"):
+        info "Attestation", msg = SSZ.decode(buffer, Attestation)
 
     except CatchableError as exc:
       info "Unable to decode message", errMsg = exc.msg
@@ -696,7 +703,8 @@ proc run(conf: InspectorConf) {.async.} =
       if lcitem == "*":
         topics.incl({TopicFilter.Blocks, TopicFilter.Attestations,
                      TopicFilter.Exits, TopicFilter.ProposerSlashing,
-                     TopicFilter.AttesterSlashings})
+                     TopicFilter.AttesterSlashings,
+                     TopicFilter.InteropAttestations})
         break
       elif lcitem == "a":
         topics.incl(TopicFilter.Attestations)
@@ -708,12 +716,15 @@ proc run(conf: InspectorConf) {.async.} =
         topics.incl(TopicFilter.ProposerSlashing)
       elif lcitem == "as":
         topics.incl(TopicFilter.AttesterSlashings)
+      elif lcitem == "ia":
+        topics.incl(TopicFilter.InteropAttestations)
       else:
         discard
   else:
     topics.incl({TopicFilter.Blocks, TopicFilter.Attestations,
                  TopicFilter.Exits, TopicFilter.ProposerSlashing,
-                 TopicFilter.AttesterSlashings})
+                 TopicFilter.AttesterSlashings,
+                 TopicFilter.InteropAttestations})
 
   proc pubsubTrampoline(topic: string,
                         data: seq[byte]): Future[void] {.gcsafe.} =