Network Addresses

UMnet Administration manages the network infrastructure and network numbers. A Standard Practice Guide policy for Internet Addressing: IP Address Standards provides information about addressing at the University of Michigan.

Notes:
  • The addresses listed below are global IPv4 addresses which are reachable from inside and outside the University of Michigan.
  • For information on private IPv4 addressing (i.e., addresses which are reachable only from the University of Michigan), refer to Private IP Network Numbers.
  • Michigan Medicine uses IPv4 addresses in 141.214.0.0/16 administered by Health Information Technology & Services.
IPv4 Prefix Network Contact
35.0.0.0/16 Ann Arbor (Guest, Unauthenticated)
Users should not be considered University of Michigan faculty, staff, or students.

35.0.0.0/16 is divided as follows:
  • 35.0.0.0/18 - MGuest wireless users
  • 35.0.64.0/18 - Eduroam wireless and UMnet guest users
  • 35.0.128.0/18 - UMnet wired guest users
  • 35.0.192.0/18 - Michigan Medicine guest users
 UMnet Administration
35.1.0.0/16 Ann Arbor (UMnet Authenticated Wireless)
Users are considered University of Michigan faculty, staff, or students.		 UMnet Administration
35.2.0.0/16 Ann Arbor (UMnet Authenticated Wireless)
Users are considered University of Michigan faculty, staff, or students.		 UMnet Administration
35.3.0.0/16 Ann Arbor (UMnet Authenticated Wireless)
Users are considered University of Michigan faculty, staff, or students.		 UMnet Administration
35.4.0.0/16 Ann Arbor (UMnet) UMnet Administration
35.5.0.0/16 Ann Arbor (UMnet) UMnet Administration
35.6.0.0/16 Ann Arbor (IoT Network)
Users are considered University of Michigan faculty, staff, or students.		 UMnet Administration
35.7.0.0/18 Ann Arbor (UMnet, UMVPN service) UMnet Administration
35.7.112.0/20 Flint (Guest) Flint ITS
35.7.128.0/18 Ann Arbor (UMnet) UMnet Administration
35.7.224.0/19 Dearborn (Guest) Dearborn ITS
65.117.69.14/32 LSA Earth and Environmental Sciences - Camp Davis (Jackson, WY) Camp Davis Staff
67.194.0.0/16 Ann Arbor (UMnet, Campus Computing Sites, Internet of Things (IoT) Wireless and Residence Halls) UMnet Administration
141.211.0.0/16 Ann Arbor (UMnet) UMnet Administration
141.212.0.0/16 Ann Arbor (College of Engineering) CAEN
141.213.0.0/17 Ann Arbor (College of Engineering) CAEN
141.213.128.0/17 Ann Arbor (UMnet) UMnet Administration
141.214.0.0/16 Ann Arbor (Michigan Medicine) Health ITS
141.215.0.0/16 Dearborn Dearborn ITS
141.216.0.0/16 Flint Flint ITS
192.12.80.0/24 Backbone Interconnect (UMBIN - interconnects UMnet, Michigan Medicine, Dearborn, and Merit) UMnet Administration
192.231.253.0/24 Ann Arbor (UMnet Operations) UMnet Administration
198.108.8.0/21 Ann Arbor (IP Telephony and Network Infrastructure) UMnet Administration
198.108.200.0/22 Biological Station (Pellston, MI) Biological Station Staff
198.110.84.0/24 Biological Station (Pellston, MI) Biological Station Staff
198.111.224.0/22 Ann Arbor (ITS Infrastructure Interoperability Lab) UMnet Administration
198.111.181.0/25 Ann Arbor (Michigan Medicine public-facing servers) Health ITS
207.74.194.0/24 Alumni Association - Camp Michigania (Boyne City) Camp Michigania Staff
207.75.144.0/20 Ann Arbor (UMnet WAN-connected off-campus networks) UMnet Administration

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