The Cloudflare entries are just Content Data Network balancers designed to push often accessed web site elements as close as possible to potential visitors in order to speed up the site loading and offload network burden on the hosting environment.
If you want more information, you can make inquiries at the Registrar below, although I don’t think they’ll release any client information to anyone unless there was a valid reason.
Registry Information
URL for registration services: http://www.tonic.to/
WHOIS Server: whois.tonic.to
Name Servers
tonic.to: 216.74.32.100
colo.to: 216.74.32.104
frankfurt.tonic.to: 46.101.233.168
singapore.tonic.to: 188.166.187.0
newyork.tonic.to: 162.243.211.202