University of Massachusetts - AMHERST
Data as of 2026-08-23
BGP inherited
Cluster stats
| Netblocks | 10 · 84,480 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2001:48e8:1000::/40) |
| All fragments | 27 blocks across 5 clusters |
| Cluster ID | 227153488 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| 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
9 weekly snapshots · JSON
16
+7 netblocks since 2026-07-05
2026-07-05
peak 16
2026-08-23
IP Ranges (10)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 69.16.44.0/23 | University of Massachusetts - AMHERST | BGP | ANNOUNCED | ● high |
| 72.19.64.0/18 | University of Massachusetts - AMHERST | ARIN | DIRECT ALLOCATION | ● high |
| 128.119.0.0/16 | University of Massachusetts - AMHERST | BGP | ANNOUNCED | ● high |
| 192.80.66.0/24 | University of Massachusetts - AMHERST | ARIN | DIRECT ALLOCATION | ● high |
| 192.80.83.0/24 | University of Massachusetts - AMHERST | BGP | ANNOUNCED | ● high |
| 192.189.138.0/24 | University of Massachusetts - AMHERST | ARIN | DIRECT ALLOCATION | ● high |
| 198.22.255.0/24 | University of Massachusetts - AMHERST | ARIN | DIRECT ALLOCATION | ● high |
| 205.172.168.0/22 | University of Massachusetts - AMHERST | ARIN | DIRECT ALLOCATION | ● high |
| 2001:48e8:1000::/40 | University of Massachusetts - AMHERST | BGP | ANNOUNCED | ● high |
| 2001:48e8:6400::/44 | University of Massachusetts - AMHERST | BGP | ANNOUNCED | ● high |
IPv6 ranges (2)
Domains hosted in this network
what's this?NIC Handles
AS1249
AS168
AS1929
JFD16-ARIN
ONS2-ARIN
UNIVER-6
ZU64-ARIN
ZU64-ARIN