diff --git a/lib/prefix.c b/lib/prefix.c
index ed55fac883..b38dd94589 100644
--- a/lib/prefix.c
+++ b/lib/prefix.c
@@ -467,6 +467,21 @@ int str2family(const char *string)
 	return -1;
 }
 
+const char *family2str(int family)
+{
+	switch (family) {
+	case AF_INET:
+		return "IPv4";
+	case AF_INET6:
+		return "IPv6";
+	case AF_ETHERNET:
+		return "Ethernet";
+	case AF_EVPN:
+		return "Evpn";
+	}
+	return "?";
+}
+
 /* Address Famiy Identifier to Address Family converter. */
 int afi2family(afi_t afi)
 {
diff --git a/lib/prefix.h b/lib/prefix.h
index 4efbc5a95c..f01c85b811 100644
--- a/lib/prefix.h
+++ b/lib/prefix.h
@@ -290,6 +290,7 @@ static inline void ipv4_addr_copy(struct in_addr *dst,
 extern int str2family(const char *);
 extern int afi2family(afi_t);
 extern afi_t family2afi(int);
+extern const char *family2str(int family);
 extern const char *safi2str(safi_t safi);
 extern const char *afi2str(afi_t afi);