Commonwealth of Massachusetts

BGP inherited
Cluster stats
Netblocks17 · 443,375 IPv4 addresses
All fragments 18 blocks across 2 clusters
Cluster ID208816982
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
13 0 netblocks since 2026-07-05
2026-07-05 peak 13 2026-07-19

IP Ranges (17)

⬇ export CSV
CIDR Org name Registry Status Confidence
146.243.0.0/16 Commonwealth of Massachusetts BGP ANNOUNCED ● high
170.63.0.0/16 Commonwealth of Massachusetts BGP ANNOUNCED ● high
170.154.0.0/16 Commonwealth of Massachusetts BGP ANNOUNCED ● high
198.99.169.0/24 Commonwealth of Massachusetts BGP ANNOUNCED ● high
198.203.237.0/24 Commonwealth of Massachusetts BGP ANNOUNCED ● high
198.203.238.0/23 Commonwealth of Massachusetts BGP ANNOUNCED ● high
198.203.240.0/23 Commonwealth of Massachusetts BGP ANNOUNCED ● high
204.58.32.0/20 Commonwealth of Massachusetts BGP ANNOUNCED ● high
204.58.48.0/21 Commonwealth of Massachusetts BGP ANNOUNCED ● high
204.58.56.0/22 Commonwealth of Massachusetts BGP ANNOUNCED ● high
204.58.60.0/23 Commonwealth of Massachusetts BGP ANNOUNCED ● high
204.88.96.0/19 Commonwealth of Massachusetts BGP ANNOUNCED ● high
204.130.64.0/18 Commonwealth of Massachusetts BGP ANNOUNCED ● high
146.243.0.0/16 Commonwealth of Massachusetts ARIN DIRECT ALLOCATION ● low
170.63.0.0/16 Commonwealth of Massachusetts ARIN DIRECT ALLOCATION ● low
170.154.0.0/16 Commonwealth of Massachusetts ARIN DIRECT ALLOCATION ● low
204.130.64.0/18 Commonwealth of Massachusetts ARIN DIRECT ALLOCATION ● low

NIC Handles

AS6527 ITD-1 JW1963-ARIN JWE67-ARIN MASS MASS1 PCM3-ARIN PCM3-ARIN PCM3-ARIN