Data as of Nov 3, 2026
Autonomous system
AS17276
SEI Investments
Announces 2,048 addresses in 8 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 12.20.48.0/24 since Sep 2016 | Business | AT&T Enterprises, LLC | |
| 12.20.49.0/24 since Sep 2016 | Business | AT&T Enterprises, LLC | |
| 170.76.224.0/24 since Mar 2018 | Business | SEI Investments Developments, INC | |
| 170.76.225.0/24 since Jun 2018 | Business | SEI Investments Developments, INC | |
| 206.220.236.0/24 since Dec 2024 | Business | ||
| 206.220.237.0/24 since Dec 2024 | Business | ||
| 206.220.238.0/24 since Dec 2024 | Business | ||
| 206.220.239.0/24 since Dec 2024 | Business |
Network & history
Profile
- Registered
- Aug 15, 2000
- Domain
- seic.com
- Industry
- Finance and Insurance
Routing patterns
How its announcements have moved
Arrivals