Una serie di calcolatrici da utilizzare direttamente online su questo Portale:

Calcolatrice per le Subnet mask, calcolatrice per determinare quanti Indirizzi IP sono utilizzabili partendo da una determinata subnet, calcolo indirizzo di Broadcast, conversione CIDR, ecc..

network address calculator / ip address calculator

Network and IP address calculator

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IP/Netmask:
(input format examples: 10.0.0.5/24 or 10.0.0.5 255.255.255.0)

result:
Usable addresses:
Mask: =
Mask as hex:
Network:
First usable:
Last usable:
Broadcast:


Converters for Network and IP address

Subnet netmask dotted decimal to CIDR notation (bits format)


result: /


Class C subnet calculator

number of subnets to create:

result:

mask: / dotted dec. mask:
amount of usable host addresses per subnet:
addresses in each subnet:


Number of required addresses to netmask

number of addresses needed:

result:

mask: / dotted dec. mask:
usable amount of addresses:


Dotted decimal IP-address or mask to binary and hex



result:

Bin:
Hex:


Hex IP-address or mask to dotted decimal



result:

dotted decimal:
Bin:


IP-address bit-complement (inverted IP) calculator

result:


Network Mask to amount of usable addresses

Mask: /

result:

Usable amount of addr: Total number of addr:
Netmaks in dotted decimal format:


Number converter: decimal => bin, hex

Dec:


result:

Bin:
Hex:
 

Number converter: binary => dec, hex

Bin:


result:

Dec:
Hex:
 

Number converter: Hex => dec, bin

Hex:


result:

Dec:
Bin: