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
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
- 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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