University of Massachusetts - AMHERST
BGP inherited
Cluster stats
Netblocks9
All fragments 15 blocks across 4 clusters
Cluster ID191604822
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
9 0 netblocks since 2026-07-05
2026-07-05 peak 9 2026-07-06

IP Ranges (9)

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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 BGP ANNOUNCED ● high
128.119.0.0/16 University of Massachusetts - AMHERST BGP ANNOUNCED ● high
192.80.83.0/24 University of Massachusetts - AMHERST BGP ANNOUNCED ● high
192.189.138.0/24 University of Massachusetts - AMHERST BGP ANNOUNCED ● high
198.22.255.0/24 University of Massachusetts - AMHERST BGP ANNOUNCED ● high
205.172.168.0/22 University of Massachusetts - AMHERST BGP ANNOUNCED ● high
2001:48e8:1000::/40 University of Massachusetts - AMHERST BGP ANNOUNCED ● high
2001:48e8:6400::/44 University of Massachusetts - AMHERST BGP ANNOUNCED ● high

NIC Handles

AS1249 AS168 AS1929