AS21508 Prefixes
92 prefixes originated by AS21508
IPv4 Prefixes (18)
| Prefix | Description | IPs | CC |
|---|---|---|---|
| 141.104.0.0/16 | Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt | 66K | US |
| 198.90.112.0/22 | Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt | 1K | US |
| 50.219.12.0/22 | COMCAST-21508 | 1K | US |
| 157.240.147.0/24 | fzrd1 | 256 | US |
| 157.240.148.0/24 | fzrd1 | 256 | US |
| 173.242.174.0/24 | COMCAST-21508 | 256 | US |
| 204.194.47.0/24 | Comcast cable Communications, Inc. 1800 Bishops Gate Blvd Mt | 256 | US |
| 205.223.19.0/24 | Comcast cable Communications, Inc. 1800 Bishops Gate Blvd Mt | 256 | US |
| 50.204.101.0/24 | COMCAST-21508 | 256 | US |
| 50.205.217.0/24 | COMCAST-21508 | 256 | US |
| 50.216.229.0/24 | COMCAST-21508 | 256 | US |
| 50.217.1.0/24 | COMCAST-21508 | 256 | US |
| 50.217.207.0/24 | COMCAST-21508 | 256 | US |
| 50.218.47.0/24 | COMCAST-21508 | 256 | US |
| 50.228.113.0/24 | COMCAST-21508 | 256 | US |
| 50.229.113.0/24 | COMCAST-21508 | 256 | US |
| 50.229.114.0/24 | COMCAST-21508 | 256 | US |
| 50.235.34.0/24 | COMCAST-21508 | 256 | US |
IPv6 Prefixes (74)
| Prefix | Description | /len | CC |
|---|---|---|---|
| 2601:5c0::/26 | COMCAST-21508 | /26 | US |
| 2603:25c0::/26 | COMCAST-21508 | /26 | US |
| 2001:55c:6000::/35 | COMCAST-21508 | /35 | US |
| 2001:558:180::/44 | COMCAST-21508 | /44 | US |
| 2001:558:230::/44 | COMCAST-21508 | /44 | US |
| 2001:558:701a::/48 | COMCAST-21508 | /48 | US |
| 2001:558:fe30::/48 | COMCAST-21508 | /48 | US |
| 2001:559:220::/48 | COMCAST-21508 | /48 | US |
| 2001:559:243::/48 | COMCAST-21508 | /48 | US |
| 2001:559:280::/48 | COMCAST-21508 | /48 | US |
| 2001:559:37d::/48 | COMCAST-21508 | /48 | US |
| 2001:559:3ac::/48 | COMCAST-21508 | /48 | US |
| 2001:559:3b9::/48 | COMCAST-21508 | /48 | US |
| 2001:559:3c8::/48 | COMCAST-21508 | /48 | US |
| 2001:559:40a::/48 | COMCAST-21508 | /48 | US |
| 2001:559:49a::/48 | COMCAST-21508 | /48 | US |
| 2001:559:49b::/48 | COMCAST-21508 | /48 | US |
| 2001:559:53c::/48 | COMCAST-21508 | /48 | US |
| 2001:559:5c9::/48 | COMCAST-21508 | /48 | US |
| 2001:559:5db::/48 | COMCAST-21508 | /48 | US |
| 2001:559:720::/48 | COMCAST-21508 | /48 | US |
| 2001:559:72b::/48 | COMCAST-21508 | /48 | US |
| 2001:559:73c::/48 | COMCAST-21508 | /48 | US |
| 2001:559:788::/48 | COMCAST-21508 | /48 | US |
| 2001:559:78a::/48 | COMCAST-21508 | /48 | US |
| 2001:559:79d::/48 | COMCAST-21508 | /48 | US |
| 2001:559:79e::/48 | COMCAST-21508 | /48 | US |
| 2001:559:7a7::/48 | COMCAST-21508 | /48 | US |
| 2001:559:7db::/48 | COMCAST-21508 | /48 | US |
| 2001:559:804c::/48 | COMCAST-21508 | /48 | US |
| 2001:559:81bf::/48 | COMCAST-21508 | /48 | US |
| 2001:559:81d7::/48 | COMCAST-21508 | /48 | US |
| 2001:559:81d8::/48 | COMCAST-21508 | /48 | US |
| 2001:559:8201::/48 | COMCAST-21508 | /48 | US |
| 2001:559:82fd::/48 | Comcast Cable Communications, LLC | /48 | US |
| 2001:559:833e::/48 | COMCAST-21508 | /48 | US |
| 2001:559:8416::/48 | COMCAST-21508 | /48 | US |
| 2001:559:841c::/48 | COMCAST-21508 | /48 | US |
| 2001:559:8445::/48 | COMCAST-21508 | /48 | US |
| 2001:559:84a7::/48 | COMCAST-21508 | /48 | US |
| 2001:559:8535::/48 | COMCAST-21508 | /48 | US |
| 2001:559:85c1::/48 | COMCAST-21508 | /48 | US |
| 2001:559:85ff::/48 | COMCAST-21508 | /48 | US |
| 2001:559:8604::/48 | COMCAST-21508 | /48 | US |
| 2001:559:871a::/48 | COMCAST-21508 | /48 | US |
| 2001:559:875f::/48 | COMCAST-21508 | /48 | US |
| 2001:559:8773::/48 | COMCAST-21508 | /48 | US |
| 2001:559:87b2::/48 | COMCAST-21508 | /48 | US |
| 2001:559:8a::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c0::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c071::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c0f6::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c0f7::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c0fa::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c10a::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c174::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c1a5::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c1ca::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c28f::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c290::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c2a7::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c344::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c3e9::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c458::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c45f::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c460::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c495::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c4c8::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c4c9::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c4db::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c4f6::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c515::/48 | COMCAST-21508 | /48 | US |
| 2001:559:c538::/48 | COMCAST-21508 | /48 | US |
| 2001:559:f7::/48 | COMCAST-21508 | /48 | US |