Data as of Nov 10, 2026
Autonomous system
AS33490
Comcast Cable Communications, LLC
Announces 16,384 addresses in 37 prefixes. 4,608 of them are anonymizer space (all ISP proxy) in 16 prefixes: 28% of what it announces.
Type
Internet provider
US
Operators · brokers · owners leasing
1 · 1 · 6
Announced prefixes
| Prefix | Type | Anonymizer addresses | Operator | Leased from | Holder | RPKI |
|---|---|---|---|---|---|---|
| 50.204.255.0/24 since Sep 2021 | Residential | |||||
| 50.206.113.0/24 since Sep 2021 | Residential | |||||
| 50.228.52.0/24 since Sep 2021 | Residential | |||||
| 50.228.76.0/24 since Sep 2021 | Residential | |||||
| 50.232.199.0/24 since Sep 2021 | Business | |||||
| 50.236.220.0/24 since Sep 2021 | Residential | |||||
| 50.238.126.0/24 since Nov 2021 | Residential | |||||
| 50.238.127.0/24 since Nov 2018 | Residential | |||||
| 72.19.22.0/24 since Oct 2019 | Residential | INetPlus Incorporated | ||||
| 74.49.229.0/24 since Sep 18, 2026 | ISP proxy | IP broker IPXO | TELUS Communications Inc. via Internet Utilities NA LLC | |||
| 74.49.241.0/24 since Sep 18, 2026 | ISP proxy | IP broker IPXO | TELUS Communications Inc. via Internet Utilities NA LLC | |||
| 74.49.243.0/24 since Sep 18, 2026 | ISP proxy | IP broker IPXO | TELUS Communications Inc. via Internet Utilities NA LLC | |||
| 74.49.245.0/24 since Sep 18, 2026 | ISP proxy | IP broker IPXO | TELUS Communications Inc. via Internet Utilities NA LLC | |||
| 74.49.247.0/24 since Sep 18, 2026 | ISP proxy | IP broker IPXO | TELUS Communications Inc. via Internet Utilities NA LLC | |||
| 74.50.12.0/22 since Jul 2024 | Unknown | 51250%ISP proxy | IP broker IPXO | HostPapa via Internet Utilities NA LLC | ||
| 104.145.48.0/20 since May 2015 | Residential | Radiology Associates PC | ||||
| 104.247.154.0/23 since Sep 18, 2026 | ISP proxy | IP broker IPXO | Colocation America Corporation via Internet Utilities NA LLC | |||
| 107.0.49.0/24 since Sep 2021 | Residential | |||||
| 107.0.67.0/24 since Sep 2021 | Residential | |||||
| 129.134.133.0/24 since Jul 2020 | Residential | Facebook, Inc. | ||||
| 129.134.134.0/24 since Jul 2020 | Residential | Facebook, Inc. | ||||
| 140.99.27.0/24 since Sep 18, 2026 | ISP proxy | Proxy providerssold by Oxylabs | IP broker IPXO | EpicUp Holdings Inc via Internet Utilities NA LLC | ||
| 140.99.59.0/24 since Sep 18, 2026 | ISP proxy | Proxy providerssold by Oxylabs | IP broker IPXO | EpicUp Holdings Inc via Internet Utilities NA LLC | ||
| 140.99.123.0/24 since Sep 18, 2026 | ISP proxy | IP broker IPXO | EpicUp Holdings Inc via Internet Utilities NA LLC | |||
| 140.99.151.0/24 since Sep 18, 2026 | ISP proxy | IP broker IPXO | EpicUp Holdings Inc via Internet Utilities NA LLC | |||
| 140.99.211.0/24 since Sep 18, 2026 | ISP proxy | IP broker IPXO | EpicUp Holdings Inc via Internet Utilities NA LLC | |||
| 173.211.82.0/23 since Sep 18, 2026 | ISP proxy | IP broker IPXO | Colocation America Corporation via Internet Utilities NA LLC | |||
| 192.83.221.0/24 since Jul 2023 | Business | Kitchen Wisdom Publishing Company | ||||
| 199.244.171.0/24 since May 2025 | Business | Planar Systems, Inc. | ||||
| 199.244.172.0/24 since May 2025 | Business | Planar Systems, Inc. | ||||
| 204.76.179.0/24 since Sep 2018 | Residential | Upper Columbia Conference / SDA | ||||
| 204.76.180.0/23 since Nov 2017 | Residential | Upper Columbia Conference / SDA | ||||
| 205.234.233.0/24 since Sep 18, 2026 | ISP proxy | IP broker IPXO | DEFT.COM via Internet Utilities NA LLC | |||
| 216.122.120.0/22 since Apr 2026 | Unknown | IP broker IPXO | 18 Logistics Inc. via Internet Utilities NA LLC | |||
| 216.122.124.0/22 since Apr 2026 | ISP proxy | 25625% | IP broker IPXO | 18 Logistics Inc. via Internet Utilities NA LLC | ||
| 216.246.30.0/24 since Sep 18, 2026 | ISP proxy | IP broker IPXO | DEFT.COM via Internet Utilities NA LLC | |||
| 216.246.122.0/24 since Sep 18, 2026 | ISP proxy | IP broker IPXO | DEFT.COM via Internet Utilities NA LLC |
Where its space comes from
Operators, sellers and brokers
Leased from
IP brokers
| Name | In AS33490 | /24s |
|---|---|---|
| IPXO | 4,60828% | 18 |
Leased from
Owners leasing their own space
| Name | In AS33490 | /24s |
|---|---|---|
| EpicUp Holdings Inc | 1,2807.8% | 5 |
| TELUS Communications Inc. | 1,2807.8% | 5 |
| DEFT.COM | 7684.7% | 3 |
| Colocation America Corporation | 5123.1% | 2 |
| HostPapa | 5123.1% | 2 |
| 18 Logistics Inc. | 2561.6% | 1 |
Network & history
Profile
- Registered
- Dec 30, 2004
- 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