Data as of Nov 3, 2026
Autonomous system
AS21508
Comcast Cable Communications, LLC
Announces 70,400 addresses in 17 prefixes. None of it is anonymizer space.
Type
Internet provider
US
Proxy activity, 30 days
32 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 50.204.101.0/24 since Apr 2020 | Residential | |||
| 50.205.217.0/24 since Sep 2014 | Residential | 29 | ||
| 50.216.229.0/24 since Feb 2021 | Residential | |||
| 50.217.1.0/24 since Jun 2021 | Residential | |||
| 50.217.207.0/24 since Jul 2022 | Residential | |||
| 50.218.47.0/24 since Jun 2021 | Residential | 1 | ||
| 50.228.113.0/24 since Apr 2020 | Residential | |||
| 50.229.113.0/24 since Jul 2020 | Residential | |||
| 50.229.114.0/24 since Jul 2020 | Residential | |||
| 50.235.34.0/24 since Apr 2020 | Residential | |||
| 141.104.0.0/16 since Dec 2014 | Business | Virginia Department of Education | ||
| 157.240.147.0/24 since Sep 28, 2026 | Residential | Facebook, Inc. | ||
| 157.240.148.0/24 since Oct 2017 | Residential | Facebook, Inc. | ||
| 173.242.174.0/24 since Jul 2018 | Business | 1 | County of Henrico | |
| 198.90.112.0/22 since Feb 2013 | Residential | 1 | WhiteSky Communications, LLC. | |
| 204.194.47.0/24 since Apr 2013 | Residential | Va. Dept. of Rehabilitative Services | ||
| 205.223.19.0/24 since Sep 2013 | Business | Virginia State Lottery Department |
Residential-proxy exposure
Spread
4
/24s with at least one exit
Providers
24
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 50.205.217.0/24 | 0 | 29 | |
| 50.218.47.0/24 | 0 | 1 | |
| 173.242.174.0/24 | 0 | 1 | |
| 198.90.112.0/24 | 0 | 1 |
Proxy providers listing exits
- AnyIP
- BottingTools
- ByteProxies
- Byteful
- ColaProxy
- EnigmaProxy
- FastProxy
- FloppyData
- Geonode
- GloryCloud
- IPFly
- InfiniteProxies
- LemonBright
- LudaxProxy
- NextProxy
- NovaProxy
- ProxyEmpire
- ProxyGeo
- ProxyRack
- RainProxy
- ResiProxies
- Thordata
- VantageProxies
- WealthProxies
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS21508, day by day
778 observations
- Residential
- Business
Network & history
Profile
- Registered
- May 16, 2001
- 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