VPNDetection
Log inGet a free API key
HomeAll IP Ranges31.0.0.0/831.131.0.0/16
28,703 flagged8 datasets
/16 subnet

31.131.0.0/16

Browse all /24 subnets inside this subnet, down to the individual addresses. Click on any /24 CIDR entry to jump to its address list.

31.130.0.0/1631.132.0.0/16
31.131.0.0/24VPN100.00%4256100.00%12 / 8
31.131.1.0/24Hosting100.00%0256100.00%11 / 8
31.131.2.0/24VPN100.00%3256100.00%12 / 8
31.131.3.0/24Hosting100.00%0256100.00%11 / 8
31.131.4.0/24VPN100.00%1256100.00%12 / 8
31.131.5.0/24Hosting100.00%0256100.00%11 / 8
31.131.6.0/24Hosting100.00%0256100.00%11 / 8
31.131.7.0/24Hosting100.00%0256100.00%11 / 8
31.131.8.0/24—000.00%00 / 8
31.131.9.0/24—000.00%00 / 8
31.131.10.0/24—000.00%00 / 8
31.131.11.0/24—000.00%00 / 8
31.131.12.0/24Hosting100.00%0256100.00%11 / 8
31.131.13.0/24Hosting100.00%0256100.00%11 / 8
31.131.14.0/24Hosting100.00%0256100.00%11 / 8
31.131.15.0/24Hosting100.00%0256100.00%11 / 8
31.131.16.0/24Residential Proxy100.00%1256100.00%33 / 8
31.131.17.0/24VPN60.00%5256100.00%23 / 8
31.131.18.0/24VPN100.00%1256100.00%12 / 8
31.131.19.0/24VPN100.00%2256100.00%12 / 8
31.131.20.0/24VPN83.33%6256100.00%23 / 8
31.131.21.0/24VPN100.00%1256100.00%12 / 8
31.131.22.0/24Hosting100.00%0256100.00%11 / 8
31.131.23.0/24Hosting100.00%0256100.00%11 / 8
31.131.24.0/24VPN75.00%8256100.00%23 / 8
31.131.25.0/24VPN93.75%16256100.00%23 / 8
31.131.26.0/24VPN100.00%1256100.00%12 / 8
31.131.27.0/24VPN100.00%4256100.00%12 / 8
31.131.28.0/24Hosting100.00%0256100.00%11 / 8
31.131.29.0/24VPN100.00%1256100.00%12 / 8
31.131.30.0/24Hosting100.00%0256100.00%11 / 8
31.131.31.0/24VPN75.00%4256100.00%23 / 8
31.131.32.0/24—000.00%00 / 8
31.131.33.0/24Residential Proxy100.00%61256100.00%272 / 8
31.131.34.0/24Residential Proxy100.00%43016.80%201 / 8
31.131.35.0/24Residential Proxy100.00%36014.06%161 / 8
31.131.36.0/24Residential Proxy100.00%48018.75%171 / 8
31.131.37.0/24—000.00%00 / 8
31.131.38.0/24—000.00%00 / 8
31.131.39.0/24Residential Proxy80.00%501.95%42 / 8
31.131.40.0/24—000.00%00 / 8
31.131.41.0/24—000.00%00 / 8
31.131.42.0/24—000.00%00 / 8
31.131.43.0/24—000.00%00 / 8
31.131.44.0/24—000.00%00 / 8
31.131.45.0/24—000.00%00 / 8
31.131.46.0/24—000.00%00 / 8
31.131.47.0/24—000.00%00 / 8
31.131.48.0/24—000.00%00 / 8
31.131.49.0/24—000.00%00 / 8
31.131.50.0/24—000.00%00 / 8
31.131.51.0/24—000.00%00 / 8
31.131.52.0/24—000.00%00 / 8
31.131.53.0/24VPN100.00%200.78%11 / 8
31.131.54.0/24VPN100.00%2256100.00%12 / 8
31.131.55.0/24VPN100.00%100.39%11 / 8
31.131.56.0/24—000.00%00 / 8
31.131.57.0/24VPN100.00%100.39%11 / 8
31.131.58.0/24VPN100.00%100.39%11 / 8
31.131.59.0/24—000.00%00 / 8
31.131.60.0/24VPN100.00%100.39%11 / 8
31.131.61.0/24—000.00%00 / 8
31.131.62.0/24—000.00%00 / 8
31.131.63.0/24VPN100.00%14256100.00%12 / 8
31.131.64.0/24VPN87.50%803.13%32 / 8
31.131.65.0/24Residential Proxy100.00%244095.31%361 / 8
31.131.66.0/24Residential Proxy64.29%14256100.00%73 / 8
31.131.67.0/24Residential Proxy83.33%12256100.00%93 / 8
31.131.68.0/24Residential Proxy100.00%252098.44%341 / 8
31.131.69.0/24—000.00%00 / 8
31.131.70.0/24VPN57.89%19256100.00%73 / 8
31.131.71.0/24VPN57.14%28256100.00%63 / 8
31.131.72.0/24VPN64.71%17256100.00%53 / 8
31.131.73.0/24VPN57.14%21256100.00%93 / 8
31.131.74.0/24Residential Proxy100.00%248096.88%351 / 8
31.131.75.0/24Residential Proxy100.00%247096.48%271 / 8
31.131.76.0/24—000.00%00 / 8
31.131.77.0/24—000.00%00 / 8
31.131.78.0/24Residential Proxy100.00%254099.22%321 / 8
31.131.79.0/24Residential Proxy66.67%602.34%52 / 8
31.131.80.0/24Residential Proxy63.16%19256100.00%73 / 8
31.131.81.0/24Residential Proxy90.91%1104.30%62 / 8
31.131.82.0/24Residential Proxy100.00%1907.42%81 / 8
31.131.83.0/24Residential Proxy90.48%21256100.00%113 / 8
31.131.84.0/24Residential Proxy90.91%1104.30%62 / 8
31.131.85.0/24Residential Proxy89.47%19256100.00%103 / 8
31.131.86.0/24Residential Proxy100.00%1505.86%111 / 8
31.131.87.0/24Residential Proxy93.75%1606.25%122 / 8
31.131.88.0/24—000.00%00 / 8
31.131.89.0/24Hosting100.00%0256100.00%11 / 8
31.131.90.0/24—000.00%00 / 8
31.131.91.0/24—000.00%00 / 8
31.131.92.0/24—000.00%00 / 8
31.131.93.0/24—000.00%00 / 8
31.131.94.0/24—000.00%00 / 8
31.131.95.0/24—000.00%00 / 8
31.131.96.0/24Residential Proxy100.00%235091.80%292 / 8
31.131.97.0/24Residential Proxy100.00%71027.73%171 / 8
31.131.98.0/24Residential Proxy100.00%237092.58%301 / 8
31.131.99.0/24Residential Proxy100.00%239093.36%291 / 8
31.131.100.0/24Residential Proxy85.71%1405.47%102 / 8
31.131.101.0/24Residential Proxy92.59%27010.55%122 / 8
31.131.102.0/24Residential Proxy100.00%803.13%41 / 8
31.131.103.0/24Residential Proxy94.44%1807.03%62 / 8
31.131.104.0/24Residential Proxy100.00%138053.91%221 / 8
31.131.105.0/24Residential Proxy87.88%33256100.00%113 / 8
31.131.106.0/24Residential Proxy100.00%71027.73%171 / 8
31.131.107.0/24Residential Proxy100.00%243094.92%272 / 8
31.131.108.0/24Residential Proxy100.00%2108.20%122 / 8
31.131.109.0/24Residential Proxy100.00%1305.08%81 / 8
31.131.110.0/24Residential Proxy100.00%1807.03%121 / 8
31.131.111.0/24Residential Proxy90.91%1104.30%112 / 8
31.131.112.0/24Residential Proxy88.57%35256100.00%193 / 8
31.131.113.0/24Residential Proxy92.31%1305.08%92 / 8
31.131.114.0/24Residential Proxy100.00%803.13%61 / 8
31.131.115.0/24Residential Proxy90.32%31012.11%183 / 8
31.131.116.0/24Residential Proxy93.33%30011.72%132 / 8
31.131.117.0/24Residential Proxy88.24%17256100.00%113 / 8
31.131.118.0/24Residential Proxy96.67%30011.72%122 / 8
31.131.119.0/24Residential Proxy94.44%1807.03%112 / 8
31.131.120.0/24Residential Proxy95.65%2308.98%132 / 8
31.131.121.0/24Residential Proxy100.00%72028.13%221 / 8
31.131.122.0/24Residential Proxy100.00%90035.16%291 / 8
31.131.123.0/24Residential Proxy100.00%86033.59%241 / 8
31.131.124.0/24Residential Proxy100.00%1706.64%111 / 8
31.131.125.0/24—000.00%00 / 8
31.131.126.0/24Residential Proxy100.00%100.39%11 / 8
31.131.127.0/24Residential Proxy100.00%200.78%21 / 8
31.131.128.0/24Residential Proxy100.00%126049.22%141 / 8
31.131.129.0/24Residential Proxy100.00%126049.22%131 / 8
31.131.130.0/24VPN100.00%100.39%11 / 8
31.131.131.0/24Residential Proxy100.00%30011.72%71 / 8
31.131.132.0/24—000.00%00 / 8
31.131.133.0/24—000.00%00 / 8
31.131.134.0/24Residential Proxy100.00%200.78%21 / 8
31.131.135.0/24VPN50.00%4256100.00%33 / 8
31.131.136.0/24—000.00%00 / 8
31.131.137.0/24VPN75.00%12256100.00%53 / 8
31.131.138.0/24—000.00%00 / 8
31.131.139.0/24Residential Proxy89.47%1907.42%92 / 8
31.131.140.0/24Residential Proxy80.00%501.95%32 / 8
31.131.141.0/24Residential Proxy100.00%501.95%41 / 8
31.131.142.0/24—000.00%00 / 8
31.131.143.0/24VPN100.00%100.39%11 / 8
31.131.144.0/24Hosting100.00%0256100.00%11 / 8
31.131.145.0/24—000.00%00 / 8
31.131.146.0/24—000.00%00 / 8
31.131.147.0/24—000.00%00 / 8
31.131.148.0/24—000.00%00 / 8
31.131.149.0/24—000.00%00 / 8
31.131.150.0/24—000.00%00 / 8
31.131.151.0/24—000.00%00 / 8
31.131.152.0/24—000.00%00 / 8
31.131.153.0/24—000.00%00 / 8
31.131.154.0/24—000.00%00 / 8
31.131.155.0/24Residential Proxy100.00%57022.27%221 / 8
31.131.156.0/24VPN50.00%200.78%22 / 8
31.131.157.0/24VPN95.83%24256100.00%23 / 8
31.131.158.0/24VPN85.19%27256100.00%33 / 8
31.131.159.0/24VPN86.67%15256100.00%33 / 8
31.131.160.0/24—000.00%00 / 8
31.131.161.0/24—000.00%00 / 8
31.131.162.0/24—000.00%00 / 8
31.131.163.0/24—000.00%00 / 8
31.131.164.0/24—000.00%00 / 8
31.131.165.0/24—000.00%00 / 8
31.131.166.0/24—000.00%00 / 8
31.131.167.0/24—000.00%00 / 8
31.131.168.0/24Residential Proxy100.00%100.39%11 / 8
31.131.169.0/24Residential Proxy100.00%100.39%11 / 8
31.131.170.0/24Residential Proxy100.00%100.39%11 / 8
31.131.171.0/24Residential Proxy100.00%200.78%11 / 8
31.131.172.0/24VPN66.67%301.17%22 / 8
31.131.173.0/24Residential Proxy100.00%200.78%21 / 8
31.131.174.0/24Residential Proxy75.00%401.56%42 / 8
31.131.175.0/24—000.00%00 / 8
31.131.176.0/24Residential Proxy100.00%501.95%41 / 8
31.131.177.0/24Residential Proxy100.00%30011.72%151 / 8
31.131.178.0/24Residential Proxy100.00%903.52%61 / 8
31.131.179.0/24Residential Proxy100.00%1003.91%81 / 8
31.131.180.0/24Residential Proxy100.00%702.73%71 / 8
31.131.181.0/24Residential Proxy100.00%903.52%71 / 8
31.131.182.0/24Residential Proxy100.00%803.13%51 / 8
31.131.183.0/24VPN50.00%200.78%22 / 8
31.131.184.0/24—000.00%00 / 8
31.131.185.0/24Hosting100.00%0256100.00%11 / 8
31.131.186.0/24VPN100.00%100.39%11 / 8
31.131.187.0/24VPN100.00%100.39%11 / 8
31.131.188.0/24Hosting100.00%0256100.00%11 / 8
31.131.189.0/24Hosting100.00%0256100.00%11 / 8
31.131.190.0/24VPN100.00%3256100.00%12 / 8
31.131.191.0/24VPN72.73%33256100.00%63 / 8
31.131.192.0/24Residential Proxy100.00%1256100.00%22 / 8
31.131.193.0/24Residential Proxy100.00%136256100.00%232 / 8
31.131.194.0/24Residential Proxy100.00%211256100.00%312 / 8
31.131.195.0/24VPN70.59%17256100.00%43 / 8
31.131.196.0/24VPN50.00%2256100.00%23 / 8
31.131.197.0/24VPN100.00%4256100.00%12 / 8
31.131.198.0/24Hosting100.00%0256100.00%11 / 8
31.131.199.0/24VPN66.67%6256100.00%33 / 8
31.131.200.0/24Residential Proxy96.04%101039.45%242 / 8
31.131.201.0/24Residential Proxy97.56%82256100.00%223 / 8
31.131.202.0/24Residential Proxy97.59%83256100.00%193 / 8
31.131.203.0/24Residential Proxy100.00%79256100.00%233 / 8
31.131.204.0/24Residential Proxy100.00%87256100.00%203 / 8
31.131.205.0/24Residential Proxy94.05%84256100.00%243 / 8
31.131.206.0/24Residential Proxy100.00%85256100.00%173 / 8
31.131.207.0/24Residential Proxy98.95%95256100.00%283 / 8
31.131.208.0/24Residential Proxy95.59%68256100.00%153 / 8
31.131.209.0/24Residential Proxy98.63%73256100.00%163 / 8
31.131.210.0/24Residential Proxy96.88%64256100.00%173 / 8
31.131.211.0/24Residential Proxy96.83%63256100.00%163 / 8
31.131.212.0/24Residential Proxy100.00%53256100.00%153 / 8
31.131.213.0/24Residential Proxy96.67%60256100.00%143 / 8
31.131.214.0/24Residential Proxy96.15%52256100.00%113 / 8
31.131.215.0/24Residential Proxy96.88%64256100.00%163 / 8
31.131.216.0/24Residential Proxy96.92%65256100.00%193 / 8
31.131.217.0/24Residential Proxy97.01%67256100.00%203 / 8
31.131.218.0/24Residential Proxy100.00%46256100.00%163 / 8
31.131.219.0/24Residential Proxy95.56%45256100.00%163 / 8
31.131.220.0/24Residential Proxy89.66%58256100.00%163 / 8
31.131.221.0/24Residential Proxy94.64%56256100.00%183 / 8
31.131.222.0/24Residential Proxy91.38%58256100.00%153 / 8
31.131.223.0/24Residential Proxy93.10%58256100.00%143 / 8
31.131.224.0/24Residential Proxy100.00%200.78%21 / 8
31.131.225.0/24VPN100.00%100.39%22 / 8
31.131.226.0/24—000.00%00 / 8
31.131.227.0/24VPN62.50%16256100.00%53 / 8
31.131.228.0/24Residential Proxy58.82%1706.64%62 / 8
31.131.229.0/24VPN75.00%803.13%32 / 8
31.131.230.0/24Residential Proxy69.23%13256100.00%73 / 8
31.131.231.0/24VPN100.00%100.39%11 / 8
31.131.232.0/24Residential Proxy66.67%301.17%32 / 8
31.131.233.0/24Residential Proxy100.00%702.73%71 / 8
31.131.234.0/24—000.00%00 / 8
31.131.235.0/24—000.00%00 / 8
31.131.236.0/24—000.00%00 / 8
31.131.237.0/24—000.00%00 / 8
31.131.238.0/24VPN100.00%200.78%11 / 8
31.131.239.0/24—000.00%00 / 8
31.131.240.0/24Hosting100.00%0256100.00%11 / 8
31.131.241.0/24—000.00%00 / 8
31.131.242.0/24—000.00%00 / 8
31.131.243.0/24—000.00%00 / 8
31.131.244.0/24—000.00%00 / 8
31.131.245.0/24Residential Proxy100.00%100.39%11 / 8
31.131.246.0/24Residential Proxy100.00%100.39%11 / 8
31.131.247.0/24Residential Proxy66.67%301.17%22 / 8
31.131.248.0/24VPN100.00%3256100.00%43 / 8
31.131.249.0/24VPN100.00%6256100.00%22 / 8
31.131.250.0/24Hosting100.00%0256100.00%11 / 8
31.131.251.0/24VPN100.00%4256100.00%22 / 8
31.131.252.0/24VPN100.00%14256100.00%22 / 8
31.131.253.0/24VPN100.00%3256100.00%22 / 8
31.131.254.0/24VPN100.00%7256100.00%22 / 8
31.131.255.0/24VPN100.00%3256100.00%22 / 8
00 · No key

Start without signing up.

Paste it into a terminal — no account needed. 1k daily allowance per user, answering ip and is_vpn.

curl "https://api.vpndetection.io/45.83.91.1"
{
  "ip": "45.83.91.1",
  "is_vpn": true
}
01 · Free key

Signup for 50k req/month.

No card, no sales call — the key is issued on signup.
Every request flags VPN IPs.
Upgrade only when you outgrow the allowance.
Get a free API keySee pricing