diff --git a/examples/udp-ipv6/udp-client.c b/examples/udp-ipv6/udp-client.c
index 04b6aad7e..4ffaf777b 100644
--- a/examples/udp-ipv6/udp-client.c
+++ b/examples/udp-ipv6/udp-client.c
@@ -112,7 +112,7 @@ set_connection_address(uip_ipaddr_t *ipaddr)
       UDP_ADDR_A,UDP_ADDR_B,UDP_ADDR_C,UDP_ADDR_D,
       UDP_ADDR_E,UDP_ADDR_F,UDP_ADDR_G,UDP_ADDR_H);
 #elif UIP_CONF_ROUTER
-  uip_ip6addr(ipaddr,0xaaaa,0,0,0,0x0212,0x7504,0x0004,0x0404);
+  uip_ip6addr(ipaddr,0xaaaa,0,0,0,0x0212,0x7404,0x0004,0x0404);
 #else
   uip_ip6addr(ipaddr,0xfe80,0,0,0,0x6466,0x6666,0x6666,0x6666);
 #endif /* UDP_ADDR_A */
diff --git a/tools/cooja/contiki_tests/sky_ipv6_routing.csc b/tools/cooja/contiki_tests/sky_ipv6_routing.csc
index 23848ee8d..0d3c2bf21 100644
--- a/tools/cooja/contiki_tests/sky_ipv6_routing.csc
+++ b/tools/cooja/contiki_tests/sky_ipv6_routing.csc
@@ -60,7 +60,7 @@
       </interface_config>
       <interface_config>
         se.sics.cooja.mspmote.interfaces.MspIPAddress
-        <ip>fe80.0000.0000.0000.0212.7501.0001.0101</ip>
+        <ip>fe80.0000.0000.0000.0212.7401.0001.0101</ip>
       </interface_config>
       <interface_config>
         se.sics.cooja.mspmote.interfaces.MspMoteID
@@ -78,7 +78,7 @@
       </interface_config>
       <interface_config>
         se.sics.cooja.mspmote.interfaces.MspIPAddress
-        <ip>fe80.0000.0000.0000.0212.7502.0002.0202</ip>
+        <ip>fe80.0000.0000.0000.0212.7402.0002.0202</ip>
       </interface_config>
       <interface_config>
         se.sics.cooja.mspmote.interfaces.MspMoteID
@@ -96,7 +96,7 @@
       </interface_config>
       <interface_config>
         se.sics.cooja.mspmote.interfaces.MspIPAddress
-        <ip>fe80.0000.0000.0000.0212.7503.0003.0303</ip>
+        <ip>fe80.0000.0000.0000.0212.7403.0003.0303</ip>
       </interface_config>
       <interface_config>
         se.sics.cooja.mspmote.interfaces.MspMoteID
@@ -114,7 +114,7 @@
       </interface_config>
       <interface_config>
         se.sics.cooja.mspmote.interfaces.MspIPAddress
-        <ip>fe80.0000.0000.0000.0212.7504.0004.0404</ip>
+        <ip>fe80.0000.0000.0000.0212.7404.0004.0404</ip>
       </interface_config>
       <interface_config>
         se.sics.cooja.mspmote.interfaces.MspMoteID
@@ -132,7 +132,7 @@
       </interface_config>
       <interface_config>
         se.sics.cooja.mspmote.interfaces.MspIPAddress
-        <ip>fe80.0000.0000.0000.0212.7505.0005.0505</ip>
+        <ip>fe80.0000.0000.0000.0212.7405.0005.0505</ip>
       </interface_config>
       <interface_config>
         se.sics.cooja.mspmote.interfaces.MspMoteID