Am I Open

Your IP address: {{ip}}

Check if your port is reachable: 
curl amiopen.now/<port>

// Example
curl amiopen.now/80
> open
Check if an IP address is reachable: 
curl amiopen.now/<ip address>/<port>

// Example
$ curl amiopen.now/1.1.1.1/53
> open
Check if your ISP is blocking a port: 
telnet amiopen.now <port>

// Example
telnet amiopen.now 80
Hint: You can also check if you can access SSH by using: 
ssh hello@amiopen.now