Data as of Nov 7, 2026
Autonomous system
AS30133
Internet Systems Consortium, Inc.
Announces 9,984 addresses in 39 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 103.11.221.0/24 since Apr 2021 | Business | Internet Systems Consortium | |
| 192.158.250.0/24 since Oct 2020 | Business | ||
| 192.158.251.0/24 since Oct 2020 | Business | ||
| 192.228.80.0/24 since Oct 2020 | Business | ||
| 192.228.81.0/24 since Oct 2020 | Business | ||
| 192.228.82.0/24 since Oct 2020 | Business | ||
| 192.228.83.0/24 since Oct 2020 | Business | ||
| 192.228.84.0/24 since Oct 2020 | Business | ||
| 192.228.85.0/24 since Oct 2020 | Business | ||
| 192.228.87.0/24 since Aug 2023 | Business | ||
| 192.228.92.0/24 since Oct 2020 | Business | ||
| 199.6.8.0/24 since Dec 2020 | Business | ||
| 199.6.9.0/24 since Oct 2020 | Business | ||
| 199.6.10.0/24 since Oct 2020 | Business | ||
| 199.6.11.0/24 since Oct 2020 | Business | ||
| 199.6.12.0/24 since Aug 2023 | Business | ||
| 199.6.13.0/24 since Oct 2020 | Business | ||
| 199.6.14.0/24 since Nov 2021 | Business | ||
| 199.253.63.0/24 since Oct 2020 | Business | ||
| 199.253.181.0/24 since Oct 2020 | Business | ||
| 200.93.240.0/24 since Apr 2021 | Business | ||
| 200.93.241.0/24 since Oct 2020 | Business | ||
| 200.93.242.0/24 since Oct 2020 | Business | ||
| 200.93.243.0/24 since Oct 2020 | Business | ||
| 200.93.244.0/24 since Apr 2021 | Business | ||
| 200.93.245.0/24 since Apr 2021 | Business | ||
| 200.93.246.0/24 since Aug 2023 | Business | ||
| 202.41.140.0/24 since Aug 2023 | Business | Internet Systems Consortium | |
| 202.41.142.0/24 since Oct 2020 | Business | Internet Systems Consortium | |
| 202.41.143.0/24 since Apr 2021 | Business | Internet Systems Consortium | |
| 202.41.144.0/24 since Apr 2021 | Business | Internet Systems Consortium | |
| 202.41.146.0/24 since Aug 2023 | Business | Internet Systems Consortium | |
| 203.119.16.0/24 since Apr 2021 | Business | Internet Systems Consortium | |
| 203.119.17.0/24 since Aug 2023 | Business | Internet Systems Consortium | |
| 203.119.19.0/24 since Apr 2021 | Business | Internet Systems Consortium | |
| 203.119.20.0/24 since Apr 2021 | Business | Internet Systems Consortium | |
| 203.119.51.0/24 since Apr 2021 | Business | Internet Systems Consortium | |
| 203.119.57.0/24 since Aug 2023 | Business | Internet Systems Consortium | |
| 203.119.79.0/24 since Apr 2021 | Business | Internet Systems Consortium |
Network & history
Profile
- Registered
- Jul 28, 2003
- Domain
- isc.org
- Website
- www.isc.org/
- Industry
- Software Development
Routing patterns
How its announcements have moved
Arrivals