diff --git a/src/net.h b/src/net.h
--- a/src/net.h
+++ b/src/net.h
@@ -1041,6 +1041,19 @@
         assert(false);
     }
 
+    /**
+     * Get network the peer connected through.
+     *
+     * Returns Network::NET_ONION for *inbound* onion connections,
+     * and CNetAddr::GetNetClass() otherwise. The latter cannot be used directly
+     * because it doesn't detect the former, and it's not the responsibility of
+     * the CNetAddr class to know the actual network a peer is connected
+     * through.
+     *
+     * @return network the peer connected through.
+     */
+    Network ConnectedThroughNetwork() const;
+
 protected:
     mapMsgCmdSize mapSendBytesPerMsgCmd;
     mapMsgCmdSize mapRecvBytesPerMsgCmd GUARDED_BY(cs_vRecv);
diff --git a/src/net.cpp b/src/net.cpp
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -567,6 +567,10 @@
     }
 }
 
+Network CNode::ConnectedThroughNetwork() const {
+    return IsInboundConn() && m_inbound_onion ? NET_ONION : addr.GetNetClass();
+}
+
 void CNode::copyStats(CNodeStats &stats, const std::vector<bool> &m_asmap) {
     stats.nodeid = this->GetId();
     stats.nServices = nServices;
diff --git a/src/netaddress.h b/src/netaddress.h
--- a/src/netaddress.h
+++ b/src/netaddress.h
@@ -207,7 +207,7 @@
     std::string ToStringIP() const;
     uint64_t GetHash() const;
     bool GetInAddr(struct in_addr *pipv4Addr) const;
-    uint32_t GetNetClass() const;
+    Network GetNetClass() const;
 
     //! For IPv4, mapped IPv4, SIIT translated IPv4, Teredo, 6to4 tunneled
     //! addresses, return the relevant IPv4 address as a uint32.
diff --git a/src/netaddress.cpp b/src/netaddress.cpp
--- a/src/netaddress.cpp
+++ b/src/netaddress.cpp
@@ -667,7 +667,7 @@
     assert(false);
 }
 
-uint32_t CNetAddr::GetNetClass() const {
+Network CNetAddr::GetNetClass() const {
     // Make sure that if we return NET_IPV6, then IsIPv6() is true. The callers
     // expect that.