diff --git a/artiq/examples/kasli/device_db.py b/artiq/examples/kasli/device_db.py
index 83f53640f..4b20c7a28 100644
--- a/artiq/examples/kasli/device_db.py
+++ b/artiq/examples/kasli/device_db.py
@@ -1,6 +1,6 @@
 # Tester device database
 
-core_addr = "kasli-1.lab.m-labs.hk"
+core_addr = "192.168.1.70"
 
 device_db = {
     "core": {
diff --git a/artiq/examples/kasli_drtioswitching/device_db.py b/artiq/examples/kasli_drtioswitching/device_db.py
index f04ee1869..433eaf7bc 100644
--- a/artiq/examples/kasli_drtioswitching/device_db.py
+++ b/artiq/examples/kasli_drtioswitching/device_db.py
@@ -1,4 +1,4 @@
-core_addr = "kasli-1.lab.m-labs.hk"
+core_addr = "192.168.1.70"
 
 device_db = {
     "core": {
diff --git a/artiq/examples/kasli_sawgmaster/device_db.py b/artiq/examples/kasli_sawgmaster/device_db.py
index 70fa47ab1..68fa62e0a 100644
--- a/artiq/examples/kasli_sawgmaster/device_db.py
+++ b/artiq/examples/kasli_sawgmaster/device_db.py
@@ -1,4 +1,4 @@
-core_addr = "kasli-1.lab.m-labs.hk"
+core_addr = "192.168.1.70"
 
 device_db = {
     "core": {
diff --git a/artiq/examples/sayma_master/device_db.py b/artiq/examples/sayma_master/device_db.py
index 38e78821e..e3a4e00fe 100644
--- a/artiq/examples/sayma_master/device_db.py
+++ b/artiq/examples/sayma_master/device_db.py
@@ -1,4 +1,4 @@
-core_addr = "sayma-1.lab.m-labs.hk"
+core_addr = "192.168.1.60"
 
 device_db = {
     "core": {