diff --git a/respodns/dns.py b/respodns/dns.py
index de2a48c..d666c1d 100644
--- a/respodns/dns.py
+++ b/respodns/dns.py
@@ -19,6 +19,9 @@ def detect_gfw(r, ip, check):
     if rs("69.171.") and not rs("69.171.250."):
         return True
 
+    if rs("108.160."):
+        return True
+
     if r in gfw_ips:
         return True
 
diff --git a/respodns/ips.py b/respodns/ips.py
index 5961732..bff1e3c 100644
--- a/respodns/ips.py
+++ b/respodns/ips.py
@@ -226,80 +226,6 @@ gfw_ips = {
     "104.244.46.244",
     "104.244.46.246",
     "107.181.166.244",
-    "108.160.161.20",
-    "108.160.161.83",
-    "108.160.162.31",
-    "108.160.162.98",
-    "108.160.162.102",
-    "108.160.162.104",
-    "108.160.162.109",
-    "108.160.162.115",
-    "108.160.163.102",
-    "108.160.163.106",
-    "108.160.163.108",
-    "108.160.163.112",
-    "108.160.163.116",
-    "108.160.163.117",
-    "108.160.165.8",
-    "108.160.165.9",
-    "108.160.165.11",
-    "108.160.165.48",
-    "108.160.165.53",
-    "108.160.165.55",
-    "108.160.165.62",
-    "108.160.165.139",
-    "108.160.165.141",
-    "108.160.165.147",
-    "108.160.165.173",
-    "108.160.165.189",
-    "108.160.165.211",
-    "108.160.165.212",
-    "108.160.166.9",
-    "108.160.166.42",
-    "108.160.166.49",
-    "108.160.166.57",
-    "108.160.166.61",
-    "108.160.166.62",
-    "108.160.166.137",
-    "108.160.166.142",
-    "108.160.166.148",
-    "108.160.166.253",
-    "108.160.167.30",
-    "108.160.167.147",
-    "108.160.167.148",
-    "108.160.167.156",
-    "108.160.167.158",
-    "108.160.167.159",
-    "108.160.167.165",
-    "108.160.167.167",
-    "108.160.167.174",
-    "108.160.169.37",
-    "108.160.169.46",
-    "108.160.169.54",
-    "108.160.169.55",
-    "108.160.169.171",
-    "108.160.169.174",
-    "108.160.169.175",
-    "108.160.169.178",
-    "108.160.169.179",
-    "108.160.169.181",
-    "108.160.169.185",
-    "108.160.169.186",
-    "108.160.170.26",
-    "108.160.170.33",
-    "108.160.170.39",
-    "108.160.170.41",
-    "108.160.170.43",
-    "108.160.170.44",
-    "108.160.170.45",
-    "108.160.170.51",
-    "108.160.170.52",
-    "108.160.172.1",
-    "108.160.172.200",
-    "108.160.172.204",
-    "108.160.172.208",
-    "108.160.172.232",
-    "108.160.173.207",
     "111.243.214.169",
     "114.43.24.59",
     "115.126.100.160",