SEI INVESTMENTS COMPANY

SEI Investments
GLEIF verified
LEI
5LJTIFADGZ6XH1RVOC11
Registered name
SEI INVESTMENTS COMPANY
Jurisdiction
US-PA
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks14 · 5,106 IPv4 addresses
Registered in United States (13) · Japan (1)
Cluster ID208814034
RegistryAPNIC
Owner jurisdictionUS-PA
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 5LJTIFADGZ6XH1RVOC11
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
18 0 netblocks since 2026-07-05
2026-07-05 peak 18 2026-07-19

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
12.20.48.0/24 SEI Investments BGP ANNOUNCED ● high
12.20.49.0/24 SEI Investments BGP ANNOUNCED ● high
12.31.24.0/24 SEI Investments BGP ANNOUNCED ● high
63.76.137.0/24 SEI Investments BGP ANNOUNCED ● high
64.125.66.0/24 SEI Investments BGP ANNOUNCED ● high
170.76.224.0/24 SEI Investments BGP ANNOUNCED ● high
170.76.225.0/24 SEI Investments BGP ANNOUNCED ● high
192.5.241.0/24 SEI Investments Developments, INC BGP ANNOUNCED ● high
206.220.236.0/24 SEI Investments BGP ANNOUNCED ● high
206.220.237.0/24 SEI Investments BGP ANNOUNCED ● high
206.220.238.0/24 SEI Investments BGP ANNOUNCED ● high
206.220.239.0/24 SEI Investments BGP ANNOUNCED ● high
103.81.176.0/22 SEI-TOU APNIC ALLOCATED PORTABLE ● low
206.220.236.0/22 SEI Investments ARIN DIRECT ALLOCATION ● low

Network trust

what's this?
RPKI hygiene: F how networks compare →
7.1% of checked blocks have valid RPKI ROA coverage (1 of 14)
No discrepancies found among checked blocks.

NIC Handles

AS14056 AS17276 AS29797 JNIC1-AP JNIC1-AP KS11-ARIN KS11-ARIN KS11-ARIN MAINT-JPNIC SEIINV-1