Data as of Nov 3, 2026
Autonomous system
AS27321
Internet Systems Consortium, Inc.
Announces 2,048 addresses in 8 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | RPKI |
|---|---|---|
| 149.20.0.0/24 since Jul 2026 | Business | |
| 149.20.2.0/24 since Apr 2023 | Business | |
| 149.20.3.0/24 since Dec 2023 | Business | |
| 149.20.4.0/24 since Feb 2024 | Business | |
| 149.20.57.0/24 since Jan 2020 | Business | |
| 149.20.66.0/24 since Jun 2023 | Business | |
| 192.158.248.0/24 since Jul 2022 | Business | |
| 192.158.249.0/24 since Jan 2020 | Business |
Network & history
Profile
- Registered
- Feb 12, 2003
- Domain
- isc.org
- Website
- www.isc.org/
- Industry
- Software Development
Routing patterns
How its announcements have moved
Arrivals