Data as of Nov 3, 2026
Autonomous system
AS54121
David M. Schwarz Architects, Inc.
Announces 256 addresses in 1 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 205.157.136.0/24 since Dec 2011 | Business | NTT America, Inc. |
Network & history
Profile
- Registered
- Oct 7, 2011
- Domain
- dmsas.com
- Industry
- Service
Routing patterns
How its announcements have moved
Arrivals