I know they have at least two ASNs for peering (AS15169 and AS36040 - source at https://peering.google.com/#/options/peering https://peering.google.com/#/option

I know they have at least two ASNs for peering (AS15169 and AS36040 - source at https://peering.google.com/#/options/peering https://peering.google.com/#/options/peering) Peering database shows a number of others though (excludes google fiber and some other properties): https://www.peeringdb.com/net/433 https://www.peeringdb.com/net/433 Hard part with ASNs is keeping track across legal business entities of what we consider a single company.