AS 21508 COMCAST-21508
Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.
ASN | 21508 |
---|---|
Name | COMCAST-21508 |
Organization | Comcast Cable Communications, LLC |
Country | United States ![]() |
Registry | ARIN |
IPv4 addresses | 72,448 |
---|---|
IPv6 /64 networks | 1.08 x 222 |
Prefixes | 92 |
ASN | Name | IP addresses |
---|---|---|
7922 | COMCAST-7922 | 71,429,376 |
7015 | COMCAST-7015 | 3,892,262 |
11025 | COMCAST-HOUSTON | 43,264 |
33662 | CMCS | 16,896 |
7725 | COMCAST-7725 | 16,128 |
33650 | COMCAST-33650 | 10,240 |
33489 | COMCAST-33489 | 4,608 |
33666 | CMCS | 512 |
33654 | CMCS | 256 |
33655 | CMCS | 0 |
53297 | CIMEAST | 0 |
396415 | COMCAST-GGIE | 0 |
Network | Location | Addresses | |
---|---|---|---|
141.104.0.0/16 | Comcast Cable Communications, LLC | ![]() |
65,536 |
157.240.147.0/24 | Comcast Cable Communications, LLC | ![]() |
256 |
157.240.148.0/24 | Comcast Cable Communications, LLC | ![]() |
256 |
173.242.174.0/24 | Comcast Cable Communications, LLC | ![]() |
256 |
192.100.76.0/24 | Comcast Cable Communications, LLC | ![]() |
256 |
198.90.112.0/22 | Comcast Cable Communications, LLC | ![]() |
1,024 |
204.194.47.0/24 | Va. Dept. of Rehabilitative Services | ![]() |
256 |
205.223.19.0/24 | Comcast Cable Communications, LLC | ![]() |
256 |
50.204.101.0/24 | Comcast Cable Communications, LLC | ![]() |
256 |
50.205.217.0/24 | Comcast Cable Communications, LLC | ![]() |
256 |
50.216.229.0/24 | Comcast Cable Communications | ![]() |
256 |
50.220.111.0/24 | Comcast Cable Communications | ![]() |
256 |
50.225.179.0/24 | Comcast Cable Communications, LLC | ![]() |
256 |
50.227.24.0/24 | Comcast Cable Communications, LLC | ![]() |
256 |
50.228.113.0/24 | Comcast Cable Communications, LLC | ![]() |
256 |
50.229.113.0/24 | Comcast Cable Communications, LLC | ![]() |
256 |
50.229.114.0/24 | Comcast Cable Communications, LLC | ![]() |
256 |
50.229.95.0/24 | Comcast Cable Communications, LLC | ![]() |
256 |
50.232.58.0/23 | Comcast Cable Communications | ![]() |
512 |
50.234.62.0/23 | Comcast Cable Communications, LLC | ![]() |
512 |
Network | Location | /64 Prefixes | |
---|---|---|---|
2001:559:19f::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:21a::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:243::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:280::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:34::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:39d::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:3ac::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:40a::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:42b::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:43b::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:49::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:49a::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:49b::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:4b6::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:53c::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:543::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:54c::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:54d::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:5bb::/48 | Comcast Cable Communications, LLC | ![]() |
216 |
2001:559:5da::/48 | Comcast Cable Communications, LLC | ![]() |
216 |