AS231 — MISU-231 - Michigan State University

AS231 announces 11 IPv4 prefixes covering 783,360 addresses and 16 IPv6 prefixes.

About this network

Michigan State University (MISU-231), serving the university in East Lansing, Michigan.

What it's used for

• Campus, research, and administrative networking for Michigan State University.

Notable

• An institutional / education network, not commercial hosting.
• The low AS number reflects how early the university connected, when numbers were handed out roughly sequentially.

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

Announced prefixes

• 35.8.0.0/15
• 35.10.0.0/16
• 35.11.0.0/18
• 35.11.64.0/20
• 35.11.96.0/19
• 35.11.128.0/17
• 35.12.0.0/14
• 35.20.0.0/14
• 192.108.188.0/24
• 192.108.190.0/23
• 192.231.113.0/24
• 2605:dd00::/34
• 2605:dd00:4001::/48
• 2605:dd00:4003::/48
• 2605:dd00:4004::/46
• 2605:dd00:4008::/45
• 2605:dd00:4010::/44
• 2605:dd00:4020::/43
• 2605:dd00:4040::/42
• 2605:dd00:4080::/41
• 2605:dd00:4100::/40
• 2605:dd00:4200::/39
• 2605:dd00:4400::/38
• 2605:dd00:4800::/37
• 2605:dd00:5000::/36
• 2605:dd00:6000::/35
• 2605:dd00:8000::/33

Upstream networks

• AS237 Merit Network Inc.
• AS11164 Internet2
• AS11537 Internet2

Downstream networks

• AS229 Merit Network Inc.

Adjacent networks

• AS237 Merit Network Inc.
• AS229 Merit Network Inc.
• AS11164 Internet2
• AS11537 Internet2

Routing security

• RPKI: 3 valid, 0 invalid and 6 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 78% of announcements registered; 7 route objects.
• Listed in as-sets: AS11164:AS-PARTICIPANTS, AS11537:AS-PARTICIPANTS, AS11537:AS-PARTICIPANTS-BETA, AS231:AS-CONE, AS237:AS-CUSTOMERS.