Helpful IT Links

Networking/Security

Subnet Calculator:

http://www.subnet-calculator.com/

http://www.davidc.net/sites/default/subnets/subnets.html

Port and Service Info:
https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml

Cisco UCS Hardware and Software Compatibility:
https://ucshcltool.cloudapps.cisco.com/public/

Data Transfer Time:

https://techinternets.com/copy_calc

Cisco Tools/Device Coverage Checker (Requires Login)
Tools & Resources - Cisco

IP Info:

Comprehensive IP address data, IP geolocation API and database - IPinfo.io

Information by IP Address (infobyip.com)

Returns just your public IP:

https://ifconfig.me/ip

Azure

Azure Pricing Calculator:

https://azure.microsoft.com/en-us/pricing/calculator/

Azure Charts:

https://azurecharts.com/overview

Azure Status:

https://status.azure.com/en-us/status

Azure Status via Downdetector.com (typically faster in reporting issues):

https://downdetector.com/status/windows-azure/

VMWare

Ports used by VMWare Products

https://ports.vmware.com/

VMWare HCL Guide:
https://www.vmware.com/resources/compatibility/search.php?

VMware Build and Version Info ESXi:
https://kb.vmware.com/s/article/2143832

VMware Build and Version Info vCenter:
https://kb.vmware.com/s/article/2143838

VMware Interoperability Matrix
https://partnerweb.vmware.com/comp_guide2/sim/interop_matrix.php

Commvault and VMWare Compatibility list:
http://documentation.commvault.com/commvault/v11/article?p=3368.htm

Valuable site when dealing with CPU Ready and CPU Summation 

VMCalc.com

General

Measurement Unit Converter:

https://www.convertunits.com/from/KBps/to/gigabit/second

National Vulnerability Database:

https://nvd.nist.gov/

Global Meeting Planner:
https://www.timeanddate.com/worldclock/meetingtime.html?iso=20180626&p1=137&p2=22&p3=136

World Clock:
https://www.timeanddate.com/worldclock/

Veritas NetBackup Master Compatibility Lists:
https://www.veritas.com/support/en_US/article.TECH59978

Audiobook Speed Calculator.  
🎧 Audiobook Speed Calculator ⏳ (pixelofink.com)