CIDR Notation Reference ChartSubnet mask | Notation |
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255.255.255.252 | /30 | 255.255.255.248 | /29 | 255.255.255.240 | /28 | 255.255.255.224 | /27 | 255.255.255.192 | /26 | 255.255.255.128 | /25 | 255.255.255.0 | /24 | 255.255.254.0 | /23 | 255.255.252.0 | /22 | 255.255.248.0 | /21 | 255.255.240.0 | /20 | 255.255.224.0 | /19 | 255.255.192.0 | /18 | 255.255.128.0 | /17 | 255.255.0.0 | /16 |
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