University of Massachusetts Medical School
Data as of 2026-10-18
BGP inherited
This organisation
| Netblocks | 4 · 65,536 IPv4 addresses |
| Also registered under this name | 28 netblocks across 5 separate records |
| Record ID | 250157230 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 146.189.0.0/16 | University of Massachusetts Medical School | BGP | ANNOUNCED | ● high |
| 146.189.25.0/24 | University of Massachusetts Medical School | BGP | ANNOUNCED | ● high |
| 146.189.26.0/24 | University of Massachusetts Medical School | BGP | ANNOUNCED | ● high |
| 146.189.128.0/21 | University of Massachusetts Medical School | BGP | ANNOUNCED | ● high |
Other domains hosted in this network
what's this?NIC Handles
AS5724
HOSTE28-ARIN
HOSTE28-ARIN
HOSTE28-ARIN
HOSTE28-ARIN
UMMC-1-Z