FACTSET RESEARCH SYSTEMS INC.
FactSet Research Systems, Inc.
Data as of 2026-10-11
GLEIF verified
LEI
549300ZSJE7NBK6K9P30
Registered name
FACTSET RESEARCH SYSTEMS INC.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 22 · 68,376 IPv4 addresses |
| Registered in | United States (22) · France (1) · United Kingdom (1) |
| Record ID | 245514529 |
| Registry | BGP |
| Owner jurisdiction | US-DE |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 549300ZSJE7NBK6K9P30 |
| Shared handles | clustered on 23 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (22)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 64.209.89.0/24 | FactSet Research Systems, Inc. | ARIN | ASSIGNMENT | ● high |
| 75.98.59.0/24 | FactSet Research Systems, Inc. | BGP | ANNOUNCED | ● high |
| 164.55.0.0 – 164.55.223.255 | FactSet Research Systems, Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 164.55.224.0/20 | FactSet Research Systems, Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 164.55.240.0/20 | FactSet Research Systems, Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 164.55.242.0/24 | FactSet Research Systems, Inc. | BGP | ANNOUNCED | ● high |
| 164.55.245.0/24 | FactSet Research Systems, Inc. | BGP | ANNOUNCED | ● high |
| 164.55.246.0/24 | FactSet Research Systems, Inc. | BGP | ANNOUNCED | ● high |
| 164.55.248.0/24 | FactSet Research Systems, Inc. | BGP | ANNOUNCED | ● high |
| 164.55.249.0/24 | FactSet Research Systems, Inc. | BGP | ANNOUNCED | ● high |
| 164.55.250.0/24 | FactSet Research Systems, Inc. | BGP | ANNOUNCED | ● high |
| 164.55.251.0/24 | FactSet Research Systems, Inc. | BGP | ANNOUNCED | ● high |
| 164.55.252.0/23 | FactSet Research Systems, Inc. | BGP | ANNOUNCED | ● high |
| 164.55.254.0/24 | FactSet Research Systems, Inc. | BGP | ANNOUNCED | ● high |
| 192.234.235.0/24 | FactSet Research Systems, Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 208.72.212.0/22 | FactSet Research Systems, Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 208.72.212.0/24 | FactSet Research Systems, Inc. | BGP | ANNOUNCED | ● high |
| 208.72.214.0/24 | FactSet Research Systems, Inc. | BGP | ANNOUNCED | ● high |
| 208.77.36.0/22 | FactSet Research Systems, Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 216.236.134.168/29 | FactSet Research Systems, Inc. | ARIN | ASSIGNMENT | ● high |
| 83.167.43.48/29 | FACTSET-RESEARCH-NEOT | RIPE | ASSIGNED PA | ● low |
| 94.31.0.160/29 | FactSet_Research_Systems_Inc | RIPE | ASSIGNED PA | ● low |
Footprint over time
16 weekly snapshots · JSON
24
-3 netblocks since 2026-07-05
2026-07-05
peak 27
2026-10-11
Other domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: D
how networks compare →
25.0%
of checked blocks have valid RPKI ROA coverage
(6 of 24)
Possible discrepancies (2)
These blocks are registered to FactSet Research Systems, 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.
| 192.234.235.0/24 /24 | authorized for AS19905 — Arbor Cloud |
| 192.234.235.0/24 /24 | authorized for AS19905 — Arbor Cloud |
NIC Handles
ABOVENET-MNT
AS30494
AS32957
AS6404
AYB1-ARIN
AYB1-ARIN
DUMY-RIPE
DUMY-RIPE
FRS-9
FRS-9
FRS-9-Z
MNT-MIT
+11 more