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IP Address Range Information


Table of Contents


Description of Address Ranges in Use

Some departments are required to change their IP addresses for Network 21 cutover. For departments that have servers configured to accept queries from UC Davis IP addresses, the following ranges are in use:

128.120.0.0 Class B Address Range

Existing UCDNet address range, planned to remain in use for the foreseeable future.


169.237.0.0 Class B address Range

New UCDNet address ranges on Network 21 infrastructure.


152.79.0.0 Class B Address Range

Existing UCDMC address range to remain in use.


198.31.112.0 through 198.31.127.0 Class C Address Range

Used for serial routers. Addresses will go away in 2 months to be returned to BARRNET and replaced by another address range to be announced.


205.227.0.0 through 205.227.31.0 Class C Address Range

Used for serial routers. Addresses will go away in 2 months to be returned to BARRNET and replaced by another address range to be announced.


208.1.128.0 through 208.1.160.0 Class C Address Range

Used for serial routers. Addresses will go away in 2 months to be returned to BARRNET and replaced by another address range to be announced.


A11 Access

For departments that have recently changed IP addresses and are now unable to access the A11, send e-mail to krfugazi@ucdavis.edu. Include your Department Nane, old IP address, and new IP address information. The system administrator will update the A11 IP Address table with your new address so that you can access the system.


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Administration by: Webmaster - Editing corrections to: Clare Homan 
Last modified 10/29/98