AWS VPC and Networking Quick Notes (Numbers)

NAT Gateways can auto scale upto 10 Gbps.

Flow logs per single network interface, single subnet, or single VPC in a region = 2

VPCs per region = 5

Elastic IP addresses per region = 5

Egress-only Internet gateways per region = 5

Internet gateways per region = 5

NAT gateways per Availability Zone = 5

Virtual private gateways per region = 5

Security groups per network interface = 5

VPN connections per VPC (per virtual private gateway) = 10

Rules per network ACL = 20

VPC endpoints per region = 20

Outstanding VPC peering connection requests = 25

Customer gateways per region = 50

Routes per route table (non-propagated routes) = 50

Inbound or outbound rules per security group = 50

Active VPC peering connections per VPC = 50

VPN connections per region = 50

BGP advertised routes per route table (propagated routes) = 100

Subnets per VPC = 200

Network ACLs per VPC = 200

Route tables per VPC = 200

Network interfaces per region = 350

Security groups per VPC (per region) = 500

Expiry time for an unaccepted VPC peering connection request = 1 week (168 hours)