On-campus IP ranges

CITES > DNS > On-campus IP ranges

If you are a system or network administrator who wishes to allow access to a system from any UIUCnet computer, the following IP address ranges are used to identify systems that belong to the UIUCnet network:

128.174.0.0 / 16
130.126.0.0 / 16
192.17.0.0 / 16
64.22.176.0 / 20
72.36.64.0 / 18

In addition, the IP range 172.16.0.0 / 13 is used for internal purposes only. Systems in this IP range can be seen by other UIUCnet computers, and by computers on the NCSA network, but they cannot be reached by any computer that is not part of either UIUCnet or the NCSA network.

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Last modified December 4, 2007