Grand Valley State University
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 6 · 221,184 IPv4 addresses |
| All fragments | 16 blocks across 2 clusters |
| Cluster ID | 214615804 |
| Registry | ARIN |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 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 (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 35.38.0.0/16 | Grand Valley State University | ARIN | ASSIGNMENT | ● high |
| 35.39.0.0/19 | Grand Valley State University | ARIN | ASSIGNMENT | ● high |
| 35.39.64.0/19 | Grand Valley State University | ARIN | ASSIGNMENT | ● high |
| 35.39.128.0/19 | Grand Valley State University | ARIN | ASSIGNMENT | ● high |
| 35.40.0.0/16 | Grand Valley State University | ARIN | ASSIGNMENT | ● high |
| 148.61.0.0/16 | Grand Valley State University | ARIN | DIRECT ALLOCATION | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
83.3%
of checked blocks have valid RPKI ROA coverage
(5 of 6)
Possible discrepancies (5)
These blocks are registered to Grand Valley State 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.
| 35.40.0.0/16 /16 | authorized for AS237 — Merit Network Inc. |
| 35.38.0.0/16 /16 | authorized for AS237 — Merit Network Inc. |
| 35.39.128.0/19 /19 | authorized for AS237 — Merit Network Inc. |
| 35.39.0.0/19 /19 | authorized for AS237 — Merit Network Inc. |
| 35.39.64.0/19 /19 | authorized for AS237 — Merit Network Inc. |
NIC Handles
GDT6-ARIN
GDT6-ARIN
GVSU
GVSU-Z
GVSUA-ARIN