diff -wurNbB squid-2.3.STABLE3PR4/src/delay_pools.c squid-2.3.STABLE3PR5/src/delay_pools.c
--- squid-2.3.STABLE3PR4/src/delay_pools.c	Wed May 17 09:51:59 2000
+++ squid-2.3.STABLE3PR5/src/delay_pools.c	Wed May 17 09:56:43 2000
@@ -38,6 +38,8 @@
 #if DELAY_POOLS
 #include "squid.h"
 
+#define NETWORK_BITS_16_23 /* Use alternate byte for delay pools network */
+
 struct _class1DelayPool {
     int class;
     int aggregate;
@@ -367,8 +369,13 @@
 	return delayId(pool + 1, i);
     }
     /* class == 3 */
+#ifndef NETWORK_BITS_16_23
     host = ntohl(ch.src_addr.s_addr) & 0xffff;
     net = host >> 8;
+#else
+    host = ntohl(ch.src_addr.s_addr);
+    net = ( host >> 16 ) & 0xff;
+#endif
     host &= 0xff;
     if (net == 255) {
 	i = 255;