What kind of networks are connected in my pc ?

I run command window. and type netstat 
I got a interesting result.
this is result.
I found that akami, amazonaws, facebook. 
The networks of  the most famous companies are connected with my pc.
I am not alone ~

-------------------------------------
C:>\netstat

Active Connections

Proto Local Address Foreign Address State

TCP my-pc:1155 baymsg1020416.gateway.edge.messenger.live.com:1863 ESTABLISHE
TCP my-pc:1159 a118-214.79-139.deploy.akamaitechnologies.com:http ESTABLISHE
TCP my-pc:1170 a125-56.214-42.deploy.akamaitechnologies.com:http ESTABLISHED
TCP my-pc:1222 a125-56.214-98.deploy.akamaitechnologies.com:http ESTABLISHED
TCP my-pc:1233 a125-56.214-75.deploy.akamaitechnologies.com:http ESTABLISHED
TCP my-pc:1241 a125-56.214-75.deploy.akamaitechnologies.com:http ESTABLISHED
TCP my-pc:1246 a125-56.214-42.deploy.akamaitechnologies.com:http ESTABLISHED
TCP my-pc:1384 ec2-75-101-142-23.compute-1.amazonaws.com:http ESTABLISHED
TCP my-pc:4928 www-10-02-snc5.facebook.com:http ESTABLISHED
TCP my-pc:4963 channel3-02-01-snc4.facebook.com:http ESTABLISHED