Autonomous System details
AS21508
Comcast Cable Communications, LLC — comcast.net
Summary
| Country |
 United States
|
| Organization | Comcast Cable Communications, LLC |
| Domain | comcast.net |
| Number of IPv4 | 72,448 |
| Number of IPv6 | 8.3416× 1025 |
| AS Type | Business |
| Registry | ARIN |
| Allocated | May 16, 2001 (about 23 years ago) |
| Updated | January 25, 2021 (about 3 years ago) |
IP Ranges
AS21508 announces 22 IPv4 ranges and 69 IPv6 ranges.
That's a total of 72,448 IPv4 addresses and 8.3416× 1025 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 50.204.101.0/24 |
Comcast Cable Communications, LLC
|
256 | ARIN | ALLOCATION |
| 50.205.217.0/24 |
Comcast Cable Communications, LLC
|
256 | ARIN | ALLOCATION |
| 50.216.229.0/24 |
Comcast Cable Communications, LLC
|
256 | ARIN | ALLOCATION |
| 50.217.1.0/24 |
Comcast Cable Communications, LLC
|
256 | ARIN | ALLOCATION |
| 50.217.207.0/24 |
Comcast Cable Communications, LLC
|
256 | ARIN | ALLOCATION |
| 50.218.47.0/24 |
Comcast Cable Communications, LLC
|
256 | ARIN | ALLOCATION |
| 50.219.12.0/22 |
Comcast Cable Communications, LLC
|
1,024 | ARIN | ALLOCATION |
| 50.220.111.0/24 |
Custom Computers
|
256 | ARIN | REASSIGNMENT |
| 50.227.24.0/24 |
Comcast Cable Communications, LLC
|
256 | ARIN | ALLOCATION |
| 50.228.113.0/24 |
Comcast Cable Communications, LLC
|
256 | ARIN | ALLOCATION |
| 50.229.113.0/24 |
Comcast Cable Communications, LLC
|
256 | ARIN | ALLOCATION |
| 50.229.114.0/24 |
Comcast Cable Communications, LLC
|
256 | ARIN | ALLOCATION |
| 50.229.232.0/24 |
Comcast Cable Communications, LLC
|
256 | ARIN | ALLOCATION |
| 50.229.233.0/24 |
Comcast Cable Communications, LLC
|
256 | ARIN | ALLOCATION |
| 50.235.34.0/24 |
Comcast Cable Communications, LLC
|
256 | ARIN | ALLOCATION |
| 141.104.0.0/16 |
Virginia Department of Education
|
65,536 | ARIN | ALLOCATION |
| 157.240.147.0/24 |
Facebook, Inc.
|
256 | ARIN | ALLOCATION |
| 157.240.148.0/24 |
Facebook, Inc.
|
256 | ARIN | ALLOCATION |
| 173.242.174.0/24 |
County of Henrico
|
256 | ARIN | ALLOCATION |
| 198.90.112.0/22 |
Whitesky Communications, Llc.
|
1,024 | ARIN | ALLOCATION |
| 204.194.47.0/24 |
Va. Dept. of Rehabilitative Services
|
256 | ARIN | ALLOCATION |
| 205.223.19.0/24 |
Virginia State Lottery Department
|
256 | ARIN | ALLOCATION |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:559:8a::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c0::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:f7::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:220::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:243::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:280::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:37d::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:39d::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:3ac::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:3b9::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:3c8::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:40a::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:49a::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:49b::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:4b6::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:53c::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:5c9::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:5db::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:720::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:72b::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:73c::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:788::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:78a::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:79d::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:79e::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:7a7::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:7db::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:804c::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:81bf::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:81d7::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:81d8::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:8201::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:82fd::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:833e::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:8416::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:841c::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:8445::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:84a7::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:8535::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:85c1::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:85ff::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:8604::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:871a::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:875f::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:8773::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:87b2::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c071::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c0f6::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c0f7::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c0fa::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c10a::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c174::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c1a5::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c1ca::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c28f::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c290::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c2a7::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c344::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c3e9::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c458::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c45f::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c460::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c495::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c4c8::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c4c9::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c4db::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c4f6::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c515::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
| 2001:559:c538::/48 |
Comcast Cable Communications, LLC
|
1.2089× 1024 | ARIN | ALLOCATION |
Peers
There is no peer for AS21508.
Downstreams
There are 47 downstreams for AS21508:
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