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Online Technical Library

To assist our customers with self-study, independent troubleshooting, and for convenient cross-referencing of information we provide access to an online technical library.

Browse our technical library

Space Weather Information

We've all wanted to blame network or server performance on Solar Flares! Well, Here's your chance. CIT maintains a comprehensive geomagnetic and solar information center. You can access this information through our Space Weather Information Page. And, yes, it could be what's causing your problems.

See Space Weather

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IP Subnet Calculator

IP Address Display

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IP Subnet Calculator

Subnet Mask Calculator
Enter the TCP/IP Network Address:
Force as Class: Default Class A Class B Class C
Enter the required number of sub-networks:
or enter the required number of nodes/hosts per network:
Network Class:
Subnet Mask:
or
Subnets:
Nodes/Hosts per Network:

Network/Node Calculator
Enter the Subnet Mask:
Enter the TCP/IP Address:
Network:
Node/Host:
Broadcast Address:

IP Address Converter
Enter the dotted decimal TCP/IP Address:
or Enter the binary TCP/IP Address:
or Enter the hex TCP/IP Address:
or Enter the decimal TCP/IP Address:

Subnet Mask Converter
Enter the dotted decimal Subnet Mask
or Enter the number of bits in the subnetmask /
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