Anything thats going over the wire.

AbortUrlDownloadToFileExAborts an asynchronous download started with UrlDownloadToFileEx.
AIpAddressesStores all IP addresses of the machine into an array.
ANetFilesStores information about opened files on a server into an array.
ANetServersStores all servers of the specified type that are visible in a domain into an array.
GetServerTimeThe retrieves the current time from a windows server.
IcmpPingSends an IPv4 ICMP echo request, also known as ping, and returns any echo response replies.
Ip2MacAddressReturns the MAC address for a given IP address.
ResolveHostToIpResolves the IP address for a specified hostname.
SyncToSNTPServerSyncronizes the system time and date with a SNTP server.
UrlDownloadToFileExDownloads a resource from the Internet and saves them to a file.