There seems to be some degree of overcounting in the reported figures: the number of “hosts” is the number of unique hostnames in the table, but the number of “IPs” is a straightforward sum of IP address counts that the table segregates by service, and I refuse to believe that (
e.g.) the IP address of login.live.com as resolved by OneDrive is always different from same as resolved by Skype.
$ curl -fsSL 'https://helgeklein.com/blog/windows-os-services-apps-network-connection-target-hosts/' | pup 'td:nth-child(5)' text{} | sed 's/:.*$//' | sort -u | wc -l
291
$ curl -fsSL 'https://helgeklein.com/blog/windows-os-services-apps-network-connection-target-hosts/' | pup 'td:nth-child(4)' text{} | awk '{ s += $1 } END { print s }'
2764
There’s also a fair amount of infrastructural stuff such as DigiCert’s OCSP service, and every shard(?) in the Windows Update, OneDrive, etc. CDNs is counted as a separate hostname.
Not that I’m happy about of any of these connections, but the report looks much less interesting than the totals alone suggest.
Not that I’m happy about of any of these connections, but the report looks much less interesting than the totals alone suggest.