Status Pages

https://www.google.com/appsstatus#hl=en&v=status

https://status.zoom.us/

https://portal.office.com/servicestatus

https://status.aws.amazon.com/

Tools

https://tools.keycdn.com/traceroute

https://tools.keycdn.com/ping

http://www.traceroute.org/

http://www.solvedns.com/

Looking Glass

https://lg.sctel.co/orion

https://lg.he.net

https://lookingglass.pccwglobal.com/

https://cogentco.com/en/network/looking-glass

https://lookingglass.centurylink.com/

BGP Info

https://bgp.he.net

https://www.peeringdb.com/

http://radb.net/

Tests

https://www.speedtest.net/

https://www.azurespeed.com/Azure/Latency

https://www.cdnperf.com/tools/cdn-latency-benchmark