Central Michigan University
Data as of 2026-07-26
GLEIF verified
LEI
549300ADPRW1MSPHFS73
Registered name
Central Michigan University
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 7 · 167,936 IPv4 addresses |
| IPv6 | 1 prefix (largest 2607:ff30::/32) |
| All fragments | 11 blocks across 2 clusters |
| Cluster ID | 214384810 |
| Registry | BGP |
| Owner jurisdiction | US-MI |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 549300ADPRW1MSPHFS73 |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
4 weekly snapshots · JSON
9
+3 netblocks since 2026-07-12
2026-07-12
peak 9
2026-07-26
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 35.32.0.0/16 | Central Michigan University | BGP | ANNOUNCED | ● high |
| 35.33.64.0/19 | Central Michigan University | BGP | ANNOUNCED | ● high |
| 141.209.0.0/16 | Central Michigan University | BGP | ANNOUNCED | ● high |
| 2607:ff30::/32 | Central Michigan University | BGP | ANNOUNCED | ● high |
| 35.33.0.0/18 | Central Michigan University | ARIN | ASSIGNMENT | ● low |
| 35.34.0.0/20 | Central Michigan University | ARIN | ASSIGNMENT | ● low |
| 35.34.48.0 – 35.34.79.255 | Central Michigan University | ARIN | ASSIGNMENT | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2607:ff30::/32 |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
55.6%
of checked blocks have valid RPKI ROA coverage
(5 of 9)
Possible discrepancies (3)
These blocks are registered to Central 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.
| 35.33.0.0/18 /18 | authorized for AS237 — Merit Network Inc. |
| 35.33.64.0/19 /19 | authorized for AS237 — Merit Network Inc. |
| 35.34.0.0/20 /20 | authorized for AS237 — Merit Network Inc. |
NIC Handles
ABUSE164-ARIN
AS27274
CMU
CMU-Z
DTA6-ARIN
NIMSC-ARIN
ZC172-ARIN
ZC172-ARIN