Here are some useful tools for network engineers to use. All are available online for free.
- IP Subnet Calculator
IPv6 Subnet Calculator (Zoho ManageEngine Site24x7)
Traceroute.org
Free Traceroute Test (Uptrends)
Free Network Trace Test (dotcom-monitor)
IPinfo
IP2Location
GeoIP2 Database Demo (MaxMind)
IPLocation.net
GeoIP Lookup Tool (UltraTools)
WhatIsMyIP.com
What is my IP? (Uptrends)
* On macOS, you should be able to check your public IP address by the following command on the Terminal.
curl ifconfig.me
Wireshark OUI Lookup
DNS Lookup Tool (UltraTools)
DNS health check : find bugs on your domain (DnsChecker.org)
Check DNS Propagation (DnsChecker.org)
DNS Propagation Checker (whatsmydns.net)
whois.domaintools.com
ICANN Lookkup
Whois.com
Data Transfer Rate Converters at gbmb.org
SPEEDTEST (Ookla)
SpeedOf.Me
TestMy.test
Xfinity Speed Test (Comcast)
FAST (Netflix)
- Traceroute
Traceroute.org Free Traceroute Test (Uptrends)
Free Network Trace Test (dotcom-monitor)
- GeoIP Lookup
IPinfoIP2Location
GeoIP2 Database Demo (MaxMind)
IPLocation.net
GeoIP Lookup Tool (UltraTools)
- What is My IP Address?
WhatIsMyIP.com What is my IP? (Uptrends)
* On macOS, you should be able to check your public IP address by the following command on the Terminal.
curl ifconfig.me
- OUI (MAC addresses) Lookup Tool
Wireshark OUI Lookup
- DNS Lookup Tools
DNS Lookup Tool (UltraTools)DNS health check : find bugs on your domain (DnsChecker.org)
Check DNS Propagation (DnsChecker.org)
DNS Propagation Checker (whatsmydns.net)
- Whois Lookup
whois.domaintools.comICANN Lookkup
Whois.com
- Data Transfer Rate Converters
Data Transfer Rate Converters at gbmb.org
- Internet Speed and Latency Test
SPEEDTEST (Ookla)SpeedOf.Me
TestMy.test
Xfinity Speed Test (Comcast)
FAST (Netflix)
- Cloud Speed Test
▶ Amazon AWS
Amazon Web Services Network Test (CloudHarmony)▶ Microsoft Azure
▶ Google GCP
- Website Speed Test
Instantly test your website speed (Dotcom-Monitor)Test a website's performance
Pingdom Website Speed Test
- Open Port Check Tool
Open Port Check by networkappers- Data Transfer Conversion Calculator
Megabyte/s to Gigabit/s Conversion
- BGP Looking Glasses
BGP Looking Glasses for IPv4/IPv6, Traceroute & BGP Route Servers BGP Route Servers list
IPv4 Route Servers, listed by ASN
▶ AT&T Route Servers
telnet route-server.ip.att.net
(username: rviews, password: rviews) in New York, AS7018
ping, traceroute available.
Looking Glass - CenturyLink (AS3356, 3549)
Looking Glass - Cogent (AS174)
▶ Comcast Route Servers
ssh [email protected]
(username: rviewsxr, password: rviewsxr), AS7922
ping, traceroute available.
Looking Glass - CenturyLink (AS3356, 3549)
Looking Glass - Cogent (AS174)
▶ Comcast Route Servers
ssh [email protected]
(username: rviewsxr, password: rviewsxr), AS7922
ping, traceroute available.
▶ Equinix Route Servers
telnet route-views.eqix.routeviews.org
(no password), AS14609
▶ GTT Route Servers
Looking Glass - GTT (AS3257)
telnet route-server.ip4.gtt.net
(username: public, password: public), AS3257
ping, traceroute available.
Looking Glass - Verizon (AS701)
Looking Glass - NTT (AS2194)
▶ Hurricane Electric Route Servers
Looking Glass - Hurricane Electric (AS6939)
telnet route-server.he.net
(no password) in Fremont, CA, AS6939
▶ University of Oregon Route Servers
telnet route-views.routeviews.org
telnet route-views2.routeviews.org
telnet route-views3.routeviews.org
telnet route-views4.routeviews.org
telnet route-views5.routeviews.org
telnet route-views6.routeviews.org
(no password), AS6447
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