Hi @choz , from Internet Insight, we provide a global map of Application and network outages, and a cross-layer visualization of those outages where you can see the outage types, outage scopes and which part is the culprit of the outages.
Apart from that, we have been posting some valuable analyses of the Internet outages on Twitter and linkedln, please feel free to subscribe. and don't forget about our website: https://www.thousandeyes.com/blog/category/outage-analyses, we will update it often.
I hope you will find the answer useful.