IP Calculator Static subnet chart
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Input

IP-Address: Subnet:
Untested Untested Untested Untested Untested

Output

IP Address:First usable:
Subnet:Last usable:
CIDR:Amount of usable:
Network address:Reverse address:
Broadcast address:Unused:

Static subnetting

CIDRSubnet maskBinaryAddressesUsable hosts
/1128.0.0.010000000.00000000.00000000.0000000021474836482147483646
/2192.0.0.011000000.00000000.00000000.0000000010737418241073741822
/3224.0.0.011100000.00000000.00000000.00000000536870912536870910
/4240.0.0.011110000.00000000.00000000.00000000268435456268435454
/5248.0.0.011111000.00000000.00000000.00000000134217728134217726
/6252.0.0.011111100.00000000.00000000.000000006710886467108862
/7254.0.0.011111110.00000000.00000000.000000003355443233554430
/8255.0.0.011111111.00000000.00000000.000000001677721616777214
/9255.128.0.011111111.10000000.00000000.0000000083886088388606
/10255.192.0.011111111.11000000.00000000.0000000041943044194302
/11255.224.0.011111111.11100000.00000000.0000000020971522097150
/12255.240.0.011111111.11110000.00000000.0000000010485761048574
/13255.248.0.011111111.11111000.00000000.00000000524288524286
/14255.252.0.011111111.11111100.00000000.00000000262144262142
/15255.254.0.011111111.11111110.00000000.00000000131072131070
/16255.255.0.011111111.11111111.00000000.000000006553665534
/17255.255.128.011111111.11111111.10000000.000000003276832766
/18255.255.192.011111111.11111111.11000000.000000001638416382
/19255.255.224.011111111.11111111.11100000.0000000081928190
/20255.255.240.011111111.11111111.11110000.0000000040964094
/21255.255.248.011111111.11111111.11111000.0000000020482046
/22255.255.252.011111111.11111111.11111100.0000000010241022
/23255.255.254.011111111.11111111.11111110.00000000512510
/24255.255.255.011111111.11111111.11111111.00000000256254
/25255.255.255.12811111111.11111111.11111111.10000000128126
/26255.255.255.19211111111.11111111.11111111.110000006462
/27255.255.255.22411111111.11111111.11111111.111000003230
/28255.255.255.24011111111.11111111.11111111.111100001614
/29255.255.255.24811111111.11111111.11111111.1111100086
/30255.255.255.25211111111.11111111.11111111.1111110042
/31255.255.255.25411111111.11111111.11111111.1111111020
/32255.255.255.25511111111.11111111.11111111.1111111110

Default IPv6 blocksizes

CIDRDescriptionNumber of /64
/32Default blocksize for a LIR4,294,967,2961677721616777214
/48Default block for companies65,53621474836482147483646
/53192.0.0.025610737418241073741822
/64Default block1536870912536870910
/128Only one device1/4,294,967,296268435456268435454