VPC

• Virtual Private Cloud
• Max 5 VPC in per region (Soft Limit)
• Max 5 CIDR
• Each CIDR
• Min Size /28 = 16 IP address
• Maz Size /16 = 65536 IP Address
• VPC is Private, so Private IP Ranges are
• Big Network Range 10.0.0.0 - 10.255.255.255 and CIDR (10.0.0.0/8)
• AWS Default Range 172.16.0.0 - 172.31.255.255 and CIDR (172.16.0.0/12)
• Home Network Range 192.168.0.0 - 192.168.255.255 and CIDR (192.168.0.0/16)
• CIDR should not overlap other networks
• AZ name varies from Account to Account
• us-east-1a can be different AZ to another account
• AWS randomize the AZ name
• When IP Address is not available in defined CIDR range, can be added Secondary CIDR