Data as of Nov 3, 2026
Autonomous system
AS33667
Comcast Cable Communications, LLC
Announces 2,816 addresses in 10 prefixes. None of it is anonymizer space.
Type
Internet provider
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 50.203.5.0/24 since Jul 2020 | Residential | ||
| 50.203.201.0/24 since Aug 2020 | Residential | ||
| 50.207.246.0/24 since Aug 2020 | Residential | ||
| 50.222.62.0/24 since Aug 2020 | Residential | ||
| 50.236.209.0/24 since Aug 2025 | Residential | ||
| 50.239.185.0/24 since Aug 2020 | Residential | ||
| 107.0.64.0/23 since Aug 2020 | Residential | ||
| 157.240.151.0/24 since Aug 2018 | Residential | Facebook, Inc. | |
| 157.240.152.0/24 since Aug 2018 | Residential | Facebook, Inc. | |
| 209.78.88.0/24 since Aug 2016 | Residential | AT&T Enterprises, LLC |
Network & history
Profile
- Registered
- Feb 16, 2005
- Domain
- comcast.com
- Industry
- Internet Service Provider (ISP)
The space it routes itself
Address share by type
Routing patterns
How its announcements have moved
Arrivals