List of IP Address Ranges Assigned to ISU

This is a list of the IP address ranges assigned to ISU and/or its affiliated organizations.

Range CIDR Mask # of hosts Used by
129.186.0.0 /16 255.255.0.0 65,536 Main campus
192.245.179.0 /24 255.255.255.0 256 DMZ
192.188.159.0 /24 255.255.255.0 256 ISU Residence Halls
192.188.160.0 /22 255.255.252.0 1,024 ISU Residence Halls
205.237.112.0 /20 255.255.240.0 4,096 ISU Research Park
64.113.64.0 /19 255.255.224.0 8,192 ISU Residence Halls
65.110.224.0 /19 255.255.224.0 8,192 ISU Residence Halls
147.155.0.0 /16 255.255.0.0 65,536 Ames Laboratory
207.28.234.0 /24 255.255.255.0 256 SILO - State of Iowa Libraries Online

2610:130:100::/40 is our IPv6 prefix from ICN.
2001:468:1f09::/48 is our IPv6 prefix from Abilene.
fd81:bafa:397e::/48 is our IPv6 Unique Local Address (ULA) prefix from RFC4193.
2620:57::/48 is the IPv6 prefix used by Ames Lab.

Updated: 3-Jun-2013
Contact: grpjl@iastate.edu