Computer and IT knowledge - things to know

private internet subnets - RFC1918 - addresses to be used for firewall rules

RFC1918 private IP ranges

10.0.0.0/8 ( 255.0.0.0 )
172.16.0.0/12 (255.240.0.0)
192.168.0.0/16 (255.255.0.0)

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