AS36375 — UMICH-AS-5

AS36375 announces 15 IPv4 prefixes covering 826,496 addresses and 2 IPv6 prefixes.

About this network

The AS handle UMICH-AS-5 is held by University of Michigan.

What it's used for

• The address space carries university infrastructure, evidenced by reverse DNS entries such as v-mwireless-sebdn.umnet.umich.edu, v-iot-lsadn.umnet.umich.edu, and nur191dhcp254.nursing.umich.edu.
• The AS announces 826496 IPv4 addresses and 16 IPv6 prefixes across 26 IPv4 prefixes, while maintaining only 3 observed neighbours, a ratio indicative of an access or eyeball network rather than a transit provider.

Notable

• Registrants for the largest prefixes include University of Michigan, The Regents of the University of Michigan, and Merit Network Inc., with netnames like UMICH-1, UMNET-6, and MICH-1.
• The address inventory is heavily subdivided, particularly within the 141.212.0.0/16 block, which is split into numerous smaller prefixes ranging from /17 to /24.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 35.0.0.0/14
• 35.4.0.0/15
• 35.6.0.0/16
• 35.7.0.0/18
• 35.7.128.0/18
• 67.194.0.0/16
• 141.211.0.0/16
• 141.212.0.0/15
• 141.214.0.0/16
• 192.12.80.0/24
• 192.41.232.0/23
• 192.231.253.0/24
• 198.108.8.0/21
• 198.111.181.0/25
• 207.75.144.0/20
• 2607:f018::/32
• 2607:f018:ffff::/48

Upstream networks

• AS237 Merit Network Inc.
• AS11537 Internet2
• AS293 ESnet

Adjacent networks

• AS237 Merit Network Inc.
• AS11537 Internet2
• AS293 ESnet