We have a generally open peering policy.  Please visit the following link:
 
https://peering.google.com/#/options/peering

This link also has information about our traffic delivery and management practices.

Related ASNs: 
Google also manages the following ASNs:
AS36040, AS43515, AS36561

Peering Requests: 
Contact peering@google.com

Peering Operational Issues:
Contact noc@google.com 24x7