There are lots of useful sites which helps the troubleshooting procedures. I listed some common tools or websites used by myself. Please let me know what you are using and I would like to try them and add them into this list.

1. Internet/Network Tools Portal

Ping – Shows how long it takes for packets to reach host

Traceroute – Traces the route of packets to destination host from our server
DNS lookup – Look up DNS record
WHOIS – Lists contact info for an IP or domain
Port check – Tests if port is opened on specified IP
Reverse lookup – Gets hostname by IP address
Proxy checker – Detects a proxy server
Bandwidth meter – Detects your download speed from our server
Network calculator – Calculates subnet range by network mask
Network mask calculator – Calculates network mask by subnet range
Country by IP – Detects country by IP or hostname
Unit converter – Converts values from one unit to another

DNS checks detailed dns information for a hostname ( , , )
IP-number checks ip number information such as dns reverse and forwards
route checks a specific routed prefix
AS numbers checks information on an AS-number
AS macros checks who belongs to an AS-macro

    2. Speed Test

    3. IP Subnet Calculator

    4. Network Monitoring Related

    5. DNS and Domain Name Related

    6. BGP Toolkit

    Choose any one of servers by clicking the spot and it will bring you to this kind of link: telnet:// 

    route-views.ab>show bgp paths 47102
    Address    Hash Refcount Metric Path
    0x666C2980 2421        0      0 852 3257 4436 23498 47102 47102 i

    route-views.ab>sh ip bgp
    BGP routing table entry for, version 82108513
    Bestpath Modifiers: deterministic-med
    Paths: (1 available, best #1)
      Not advertised to any peer
      852 3257 4436 23498 47102 47102 from (
          Origin IGP, localpref 100, valid, external, best
          Dampinfo: penalty 1304, flapped 4 times in 00:14:31

    7. Your Public IP Address

    8. Online Diagram Drawing Sites

    9. Snmp tools

    10. HTTP and HTTPS Check Tools

      11. Email Diagnostic Tools


      12. Proxy Sites


      13. Remote Support / Online Meeting

      14. Remote (SSH / Telnet) Access Tools

      15. NTP Server

      16. Portable Software

      Before you click away to do some heavy network security reading, please leave a comment and share your favourite network and security tools so that I can add them to my list!

      By Jon

      One thought on “My Top Internet / Network Tools”
      1. Hi,

        good tools mentioned here. Could you please fix the link to Meinberg NTP, there is some gibberish at the end of the linktext: ntp.html_RA&sig2=ovxYla8mzzDEHx7UN_HOlw

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