AS40956 — NORTHWOOD-UNIVERSITY

AS40956 announces 3 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

NORTHWOOD-UNIVERSITY is the autonomous system for Northwood University, a private institution based in Midland, Michigan.

What it's used for

• The address space carries university infrastructure, with netnames NU-137-83-77-0, NU-147-160-166-0, and NU-208-103-178-0 all registered to Northwood University.
• The AS announces 768 IPv4 addresses across 3 prefixes and maintains 2 observed neighbours, a ratio consistent with a small, self-contained institutional network rather than a transit provider.
• Traffic from this AS consists of campus network activity, including student and staff access, administrative services, and online learning platforms.

Notable

• All three announced prefixes list Northwood University as the registrant, matching the AS holder exactly.
• The address inventory is compact, consisting of three /24 blocks totaling 768 addresses, with no IPv6 prefixes currently announced.

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

Announced prefixes

• 137.83.77.0/24
• 147.160.166.0/24
• 208.103.178.0/24

Upstream networks

• AS12129 123.Net, Inc.
• AS7018 AT&T Enterprises, LLC

Adjacent networks

• AS12129 123.Net, Inc.
• AS7018 AT&T Enterprises, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 3 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-CHTR-SYNC, AS-HURRICANE, AS-I123-ARIN, AS-RR-SYNC, AS3491:AS-CUSTOMERS-NA.