SEI S.R.L.

SEI LLC
GLEIF verified
LEI
8156004EE0A559E06D36
Registered name
SEI S.R.L.
Jurisdiction
IT
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks7 · 1,090 IPv4 addresses
Registered in Netherlands (3) · France (1) · Ireland (1) · United States (1)
All fragments 40 blocks across 12 clusters
Cluster ID208813750
RegistryARIN
Owner jurisdictionIT
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 8156004EE0A559E06D36
Shared handles clustered on 15 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
7 0 netblocks since 2026-07-05
2026-07-05 peak 7 2026-07-19

IP Ranges (7)

⬇ export CSV
CIDR Org name Registry Status Confidence
81.29.197.120/29 SEI RIPE ASSIGNED PA ● low
83.167.199.80/28 SEI RIPE ASSIGNED PA ● low
86.65.157.96/29 SEI RIPE ASSIGNED PA ● low
137.191.235.64/27 SEI RIPE LEGACY ● low
208.89.80.0/22 SEI LLC ARIN DIRECT ALLOCATION ● low
212.153.190.200/29 SEI RIPE ASSIGNED PA ● low
2001:4d78:743:15::/64 SEI RIPE ASSIGNED ● low

Possibly related to this organisation

what's this?
Same name family
Separately-registered clusters whose names share “SEI” — often per-country or per-system registrations of the same brand, occasionally a different organisation sharing the name. Not counted in this organisation's own footprint.
Combined view of all 12 name-family clusters →

Network trust

what's this?
RPKI hygiene: C how networks compare →
71.4% of checked blocks have valid RPKI ROA coverage (5 of 7)
No discrepancies found among checked blocks.

NIC Handles

AKA61-ARIN DUMY-RIPE DUMY-RIPE EQUINIX-FULFIL-MNT EQUINIX-MNT LDCOM-MNT LDCOM-PRO-MNT MNT-IRISHGOVERNMENT NLNET-MNT SEIL-1 SNT10-ARIN SNT10-ARIN +3 more