NET ES Extreme Network Inc
NET-ES-Extreme-Network-Inc
Cluster stats
Netblocks2
All fragments 4 blocks across 2 clusters
Cluster ID191740796
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
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

IP Ranges (2)

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CIDR Org name Registry Status Confidence
217.111.221.40/29 NET-ES-Extreme-Network-Inc RIPE ASSIGNED PA ● low
2001:920:580d:5e00::/56 NET-ES-Extreme-Network-Inc RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (2 of 2)
Possible discrepancies (1)

These blocks are registered to NET ES Extreme Network Inc 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.

2001:920:580d:5e00::/56 /56 authorized for AS8220 — COLT Technology Services Group Limited

NIC Handles

COLT-ESPANA-MNT DUMY-RIPE DUMY-RIPE