Western Michigan University

Data as of 2026-10-04
BGP inherited
This organisation
Netblocks16 · 103,680 IPv4 addresses
Record ID246854497
RegistryARIN
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 11 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (16)

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CIDR Org name Registry Status Confidence
35.46.0.0/18 Western Michigan University ARIN ASSIGNMENT ● high
35.46.64.0/18 Western Michigan University ARIN ASSIGNMENT ● high
141.218.0.0/16 Western Michigan University ARIN DIRECT ALLOCATION ● high
198.17.130.0/24 Western Michigan University ARIN DIRECT ALLOCATION ● high
198.17.131.0/24 Western Michigan University ARIN DIRECT ALLOCATION ● high
198.17.132.0/24 Western Michigan University ARIN DIRECT ALLOCATION ● high
198.17.133.0/24 Western Michigan University ARIN DIRECT ALLOCATION ● high
198.17.134.0/24 Western Michigan University ARIN DIRECT ALLOCATION ● high
198.108.134.0/23 Western Michigan University ARIN ASSIGNMENT ● high
198.108.144.0/22 Western Michigan University ARIN ASSIGNMENT ● high
198.108.157.0/24 Western Michigan University ARIN ASSIGNMENT ● high
198.109.142.0/23 Western Michigan University ARIN ASSIGNMENT ● high
198.109.228.0/24 Western Michigan University ARIN ASSIGNMENT ● high
198.110.64.0/22 Western Michigan University ARIN ASSIGNMENT ● high
198.110.86.0/24 Western Michigan University ARIN ASSIGNMENT ● high
198.110.166.0/24 Western Michigan University ARIN ASSIGNMENT ● high

Footprint over time

8 weekly snapshots · JSON
16 +9 netblocks since 2026-08-16
2026-08-16 peak 16 2026-10-04

Other domains hosted in this network

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Network trust

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RPKI hygiene: C how networks compare →
62.5% of checked blocks have valid RPKI ROA coverage (10 of 16)
Possible discrepancies (10)

These blocks are registered to Western Michigan University but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

35.46.0.0/18 /18 authorized for AS237 — Merit Network Inc.
35.46.64.0/18 /18 authorized for AS237 — Merit Network Inc.
198.108.144.0/22 /22 authorized for AS237 — Merit Network Inc.
198.110.64.0/22 /22 authorized for AS237 — Merit Network Inc.
198.108.134.0/23 /23 authorized for AS237 — Merit Network Inc.
198.109.142.0/23 /23 authorized for AS237 — Merit Network Inc.
198.108.157.0/24 /24 authorized for AS237 — Merit Network Inc.
198.109.228.0/24 /24 authorized for AS237 — Merit Network Inc.
198.110.166.0/24 /24 authorized for AS237 — Merit Network Inc.
198.110.86.0/24 /24 authorized for AS237 — Merit Network Inc.

NIC Handles

BURTO246-ARIN IN-ORG-ARIN KDM13-ARIN KDM13-ARIN LJP19-ARIN WMU WMU-1 WMU-2 WMU-3 WMU-4 WMU-5