SEI INVESTMENTS COMPANY
SEI Investments
Data as of 2026-07-26
GLEIF verified
LEI
5LJTIFADGZ6XH1RVOC11
Registered name
SEI INVESTMENTS COMPANY
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 13 · 3,072 IPv4 addresses |
| Cluster ID | 214445674 |
| Registry | BGP |
| Owner jurisdiction | US-PA |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 5LJTIFADGZ6XH1RVOC11 |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
13
-5 netblocks since 2026-07-05
2026-07-05
peak 18
2026-07-26
IP Ranges (13)
⬇ 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 |
| 206.220.236.0/22 | SEI Investments | ARIN | DIRECT ALLOCATION | ● low |
Network trust
what's this?
RPKI hygiene: F
how networks compare →
7.7%
of checked blocks have valid RPKI ROA coverage
(1 of 13)
No discrepancies found among checked blocks.
NIC Handles
AS14056
AS17276
AS29797
KS11-ARIN
KS11-ARIN
KS11-ARIN
SEIINV-1