Data as of Nov 10, 2026
Autonomous system
AS3557
Internet Systems Consortium, Inc.
Announces 512 addresses in 2 prefixes. None of it is anonymizer space.
Type
Internet provider
US
Announced prefixes
| Prefix | Type | RPKI |
|---|---|---|
| 192.5.4.0/23 since May 2005 | Unknown | |
| 192.5.5.0/24 since Mar 2017 | Unknown |
Network & history
Profile
- Registered
- Apr 21, 1994
- Domain
- isc.org
- Website
- www.isc.org/f-root/
- Industry
- Community Groups and Nonprofits
Routing patterns
How its announcements have moved
Arrivals