diff --git a/scsh/network.scm b/scsh/network.scm
index 9f22f7c..33ec5f8 100644
--- a/scsh/network.scm
+++ b/scsh/network.scm
@@ -146,6 +146,15 @@
 	 (byte-vector-ref address 1)
 	 (byte-vector-ref address 0)))
 
+;;; This proc and its inverse should be in a general IP module.
+(define (internet-host-address->dotted-string bv)
+  (let* ((byte0 (byte-vector-ref bv 0))
+	 (byte1 (byte-vector-ref bv 1))
+	 (byte2 (byte-vector-ref bv 2))
+	 (byte3 (byte-vector-ref bv 3)))
+    (string-append (number->string byte3) "." (number->string byte2) "."
+		   (number->string byte1) "." (number->string byte0))))
+
 (define (internet-host-address-to-number address)
   (byte-vector->integer address))
 
diff --git a/scsh/scsh-interfaces.scm b/scsh/scsh-interfaces.scm
index ce638b4..7a6b1c5 100644
--- a/scsh/scsh-interfaces.scm
+++ b/scsh/scsh-interfaces.scm
@@ -669,6 +669,7 @@
 	  internet-host-address-from-bytes
 	  internet-host-address-to-number
 	  internet-host-address-to-bytes
+	  internet-host-address->dotted-string
 	  
 	  host-info
 	  host-info?