Data as of Nov 5, 2026
Autonomous system
AS6404
FactSet Research Systems, Inc.
Announces 2,816 addresses in 10 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 64.209.89.0/24 since May 2005 | Business | Level 3 Parent, LLC | |
| 164.55.242.0/24 since Sep 2020 | Business | ||
| 164.55.245.0/24 since Nov 2016 | Business | ||
| 164.55.246.0/24 since Dec 2016 | Business | ||
| 164.55.248.0/24 since Apr 2016 | Business | ||
| 164.55.249.0/24 since Aug 2016 | Business | ||
| 164.55.250.0/24 since Dec 2015 | Business | ||
| 164.55.251.0/24 since Dec 2017 | Business | ||
| 164.55.252.0/23 since Aug 2017 | Business | ||
| 164.55.254.0/24 since May 2005 | Business |
Network & history
Profile
- Registered
- Apr 2, 1996
- Domain
- factset.com
- Industry
- Hosting and Cloud Provider
Routing patterns
How its announcements have moved
Arrivals