diff --git a/respodns/dns.py b/respodns/dns.py
index 9f6b39b..5447454 100644
--- a/respodns/dns.py
+++ b/respodns/dns.py
@@ -13,15 +13,13 @@ def detect_gfw(r, ip, check):
 
     hosted = de("facebook.com") or de("instagram.com") or de("whatsapp.com")
 
-    if (
-        (rs("31.13.") and not hosted) or
-        rs("66.220.") or
-        rs("69.63.") or
-        (rs("69.171.") and not rs("69.171.250.")) or
-        rs("74.86.") or
-        rs("75.126.") or
-        r in gfw_ips
-    ):
+    if rs("31.13.") and not hosted:
+        return True
+
+    if rs("69.171.") and not rs("69.171.250."):
+        return True
+
+    if r in gfw_ips:
         return True
 
     return False
diff --git a/respodns/ips.py b/respodns/ips.py
index b98c872..3520c04 100644
--- a/respodns/ips.py
+++ b/respodns/ips.py
@@ -90,20 +90,77 @@ for i in range(1, 255):
 
 gfw_ips = {
     "4.36.66.178",
+#   "4.78.139.50",
     "8.7.198.45",
     "8.7.198.46",
+    "23.225.141.210",
+    "38.121.72.166",
+#   "45.77.186.255",
     "46.82.174.68",
     "46.82.174.69",
+    "47.88.58.234",
     "49.2.123.56",
+    "50.87.93.246",
+#   "50.117.117.42",
+#   "52.175.9.80",
     "54.76.135.1",
+    "54.234.18.200",
+    "54.245.22.188",
     "59.24.3.173",
     "59.24.3.174",
-    "64.13.192.74",
+#   "64.13.192.74",
+#   "64.13.192.76",
+#   "64.13.232.149",
+    "66.220.146.94",
+    "66.220.147.11",
+    "66.220.147.47",
+    "66.220.149.18",
+    "66.220.149.32",
+    "66.220.149.99",
+    "66.220.151.20",
+    "66.220.152.17",
+    "66.220.155.12",
+    "66.220.155.14",
+    "66.220.158.32",
     "67.15.100.252",
     "67.15.129.210",
     "67.228.102.32",
     "67.228.235.91",
     "67.228.235.93",
+    "67.230.169.182",
+    "69.63.176.15",
+    "69.63.176.59",
+    "69.63.176.143",
+    "69.63.178.13",
+    "69.63.180.173",
+    "69.63.181.11",
+    "69.63.181.12",
+    "69.63.184.14",
+    "69.63.184.30",
+    "69.63.184.142",
+    "69.63.186.30",
+    "69.63.186.31",
+    "69.63.187.12",
+    "69.63.189.16",
+    "69.63.190.26",
+    "74.86.3.208",
+    "74.86.12.172",
+    "74.86.12.173",
+    "74.86.17.48",
+    "74.86.118.24",
+    "74.86.142.55",
+    "74.86.151.162",
+    "74.86.151.167",
+    "74.86.226.234",
+    "74.86.228.110",
+    "75.126.2.43",
+    "75.126.33.156",
+    "75.126.115.192",
+    "75.126.124.162",
+    "75.126.135.131",
+    "75.126.150.210",
+    "75.126.164.178",
+    "75.126.215.88",
     "77.4.7.92",
     "78.16.49.15",
     "88.191.249.182",
@@ -111,7 +168,101 @@ gfw_ips = {
     "88.191.253.157",
     "93.46.8.89",
     "93.46.8.90",
+    "93.179.102.140",
+    "98.159.108.57",
+    "103.39.76.66",
+    "103.56.16.112",
+    "103.73.161.52",
+    "103.97.3.19",
+#   "103.223.122.178",
+    "103.226.246.99",
+    "103.228.130.61",
+    "103.240.180.117",
+    "103.252.115.153",
+#   "104.16.252.55",
+#   "104.31.143.88",
+#   "104.244.43.99",
+#   "104.244.43.104",
+#   "104.244.43.182",
+#   "104.244.43.228",
+#   "104.244.43.234",
+    "104.244.46.5",
+    "104.244.46.52",
+    "104.244.46.57",
+    "104.244.46.63",
+    "104.244.46.71",
+    "104.244.46.93",
+    "104.244.46.185",
+    "104.244.46.244",
+    "108.160.161.20",
+    "108.160.162.104",
+    "108.160.163.108",
+    "108.160.165.8",
+    "108.160.165.9",
+    "108.160.165.11",
+    "108.160.165.55",
+    "108.160.165.141",
+    "108.160.165.147",
+    "108.160.165.211",
+    "108.160.165.212",
+    "108.160.166.42",
+    "108.160.166.49",
+    "108.160.166.57",
+    "108.160.166.61",
+    "108.160.167.30",
+    "108.160.167.148",
+    "108.160.167.156",
+    "108.160.167.165",
+    "108.160.167.174",
+    "108.160.169.179",
+    "108.160.169.181",
+    "108.160.169.185",
+    "108.160.169.186",
+    "108.160.170.26",
+    "108.160.170.43",
+    "108.160.170.44",
+    "108.160.170.51",
+    "108.160.172.1",
+    "108.160.172.204",
+    "108.160.173.207",
+    "111.243.214.169",
+#   "114.43.24.59",
+    "118.193.240.37",
+    "118.193.240.41",
+    "119.28.87.227",
+    "128.121.146.235",
+    "128.242.240.85",
+    "128.242.240.117",
+    "150.107.3.176",
+    "154.83.14.134",
+    "154.83.15.45",
+    "154.85.102.30",
+    "154.85.102.32",
+#   "157.240.2.36",
+#   "157.240.7.8",
+#   "157.240.8.36",
+#   "157.240.8.50",
+    "157.240.10.32",
+#   "157.240.10.36",
+#   "157.240.11.18",
+#   "157.240.12.5",
+#   "157.240.16.50",
+    "157.240.17.41",
+    "157.240.17.50",
+#   "157.240.21.9",
+#   "159.65.107.38",
+#   "162.125.2.6",
+#   "162.125.7.1",
+    "162.125.17.131",
+    "162.125.32.2",
+    "162.125.32.6",
+    "162.125.32.9",
+    "162.125.32.15",
+    "162.125.34.133",
+#   "162.125.80.6",
+    "173.244.217.42",
     "173.252.73.48",
+    "173.252.88.67",
     "173.252.100.21",
     "173.252.100.32",
     "173.252.102.16",
@@ -123,19 +274,58 @@ gfw_ips = {
     "174.37.54.20",
     "174.37.154.236",
     "174.37.175.229",
-    "199.16.158.190"
+    "184.173.136.86",
+    "185.45.7.189",
+    "185.60.216.11",
+#   "185.60.216.169",
+#   "185.60.219.36",
+    "185.60.219.41",
+    "192.133.77.59",
+    "192.133.77.133",
+    "192.133.77.189",
+    "192.133.77.197",
+    "197.4.4.12",
+    "198.27.124.186",
+    "198.44.185.131",
+#   "199.16.156.7",
+#   "199.16.156.40",
+    "199.16.158.190",
     "199.59.148.97",
     "199.59.148.209",
     "199.59.149.136",
+#   "199.59.149.204",
     "199.59.149.244",
+#   "199.59.150.11",
     "199.59.150.49",
+    "199.96.58.15",
+    "199.96.58.157",
+    "199.96.58.177",
+    "199.96.62.17",
+    "199.96.63.53",
+    "199.96.63.75",
+    "202.53.137.209",
+    "202.160.128.14",
+    "202.160.128.40",
+    "202.160.128.205",
+    "202.160.129.6",
+    "202.160.129.36",
+    "202.160.129.164",
+    "202.160.130.7",
+    "202.160.130.66",
+    "202.160.130.118",
+    "202.160.130.145",
     "203.98.7.65",
+    "203.111.254.117",
     "203.161.230.171",
     "205.186.152.122",
     "208.43.170.231",
     "208.43.237.140",
     "208.101.21.43",
     "208.101.60.87",
+    "209.95.56.60",
+    "210.56.51.192",
+    "210.209.84.142",
+    "211.104.160.39",
     "243.185.187.39",
     "249.129.46.48",
     "253.157.14.165",