diff --git a/.changeset/thick-mangos-cheat.md b/.changeset/thick-mangos-cheat.md
new file mode 100644
index 000000000..c7fb74813
--- /dev/null
+++ b/.changeset/thick-mangos-cheat.md
@@ -0,0 +1,5 @@
+---
+'@siafoundation/explored-types': minor
+---
+
+Added host announcements to the ExplorerTransaction type.
diff --git a/libs/explored-types/src/types.ts b/libs/explored-types/src/types.ts
index f05d20801..b5476973c 100644
--- a/libs/explored-types/src/types.ts
+++ b/libs/explored-types/src/types.ts
@@ -9,6 +9,7 @@ import type {
   FileContractElement,
   FileContractID,
   Hash256,
+  PublicKey,
   SiacoinElement,
   SiacoinInput,
   SiacoinOutputID,
@@ -111,6 +112,16 @@ export type TxpoolTransactions = {
 //      for more independent data types--one would not need the original contract to display
 //      a list of revisions, for example.
 
+/**
+ * HostAnnouncement represents a signed announcement of a host's network address.
+ * Announcements may be made via arbitrary data (in a v1 transaction) or via attestation
+ * (in a v2 transaction).
+ */
+type HostAnnouncement = {
+  publicKey: PublicKey
+  netAddress: string
+}
+
 /**
  * The origin of a `SiacoinOutput`--whether it came from a miner or a transaction.
  */
@@ -181,6 +192,7 @@ export type ExplorerTransaction = {
   minerFees: Currency
   arbitraryData: string[][]
   signatures: TransactionSignature[]
+  hostAnnouncements: HostAnnouncement[]
 }
 
 /**