Command
  netstat -a, see open ports on your host 
  traceroute, measure delays at routers on a path
    
   
  dig, query DNS servers
    
      nslookup, similar
        
          nslookup -type=soa -debug cs.tamu.edu 
        
       
    
   
  telnet host port, interactive communication with server
    
   
  arp -a return IP/MAC mappings 
  ipconfig /all 
  - 
     tries to map IPs to country/city
  
 
  - whois database can be used to map IPs to owners
 
  - http://ipchicken.com/: see your NAT IP and current NAT port
 
     
    
      
 Copyright claim: Useful commands related to network is created by melonskin on 2018/04/18. Its copyright belongs to the author. Commercial usage must be authorized by the author. The source should be included for non-commercial purposes.
  
  Link to the article: https://amelon.org/2018/04/18/network-cmd.html