AS33660
CMCS
Comcast Cable Communications, LLC
Registry
Authoritative registration data
- AS number
- 33660
- Name
- CMCS
- Organisation
- Comcast Cable Communications, LLC
- Country
- —
- RIR
- ARIN
- Registered
IPv4 prefixes
9
IPv6 prefixes
50
Total announced
59
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 129.134.166.0/24 | IPv4 | /24 | not checked | |
| 129.134.167.0/24 | IPv4 | /24 | not checked | |
| 192.16.177.0/24 | IPv4 | /24 | not checked | |
| 50.204.89.0/24 | IPv4 | /24 | not checked | |
| 50.207.68.0/24 | IPv4 | /24 | not checked | |
| 50.217.32.0/24 | IPv4 | /24 | not checked | |
| 50.222.146.0/24 | IPv4 | /24 | not checked | |
| 50.222.157.0/24 | IPv4 | /24 | not checked | |
| 50.224.25.0/24 | IPv4 | /24 | not checked | |
| 2001:559:20a::/48 | IPv6 | /48 | not checked | |
| 2001:559:26c::/48 | IPv6 | /48 | not checked | |
| 2001:559:29::/48 | IPv6 | /48 | not checked | |
| 2001:559:2de::/48 | IPv6 | /48 | not checked | |
| 2001:559:2e4::/48 | IPv6 | /48 | not checked | |
| 2001:559:31a::/48 | IPv6 | /48 | not checked | |
| 2001:559:37f::/48 | IPv6 | /48 | not checked | |
| 2001:559:3b2::/48 | IPv6 | /48 | not checked | |
| 2001:559:3b3::/48 | IPv6 | /48 | not checked | |
| 2001:559:3c4::/48 | IPv6 | /48 | not checked | |
| 2001:559:41a::/48 | IPv6 | /48 | not checked | |
| 2001:559:4a7::/48 | IPv6 | /48 | not checked | |
| 2001:559:4a9::/48 | IPv6 | /48 | not checked | |
| 2001:559:521::/48 | IPv6 | /48 | not checked | |
| 2001:559:57f::/48 | IPv6 | /48 | not checked | |
| 2001:559:58c::/48 | IPv6 | /48 | not checked | |
| 2001:559:5d8::/48 | IPv6 | /48 | not checked | |
| 2001:559:808a::/48 | IPv6 | /48 | not checked | |
| 2001:559:8092::/48 | IPv6 | /48 | not checked | |
| 2001:559:8137::/48 | IPv6 | /48 | not checked | |
| 2001:559:819d::/48 | IPv6 | /48 | not checked | |
| 2001:559:8282::/48 | IPv6 | /48 | not checked | |
| 2001:559:82d4::/48 | IPv6 | /48 | not checked | |
| 2001:559:82e8::/48 | IPv6 | /48 | not checked | |
| 2001:559:831b::/48 | IPv6 | /48 | not checked | |
| 2001:559:8329::/48 | IPv6 | /48 | not checked | |
| 2001:559:83a6::/48 | IPv6 | /48 | not checked | |
| 2001:559:8443::/48 | IPv6 | /48 | not checked | |
| 2001:559:8450::/48 | IPv6 | /48 | not checked | |
| 2001:559:8460::/48 | IPv6 | /48 | not checked | |
| 2001:559:8484::/48 | IPv6 | /48 | not checked | |
| 2001:559:8485::/48 | IPv6 | /48 | not checked | |
| 2001:559:85e0::/48 | IPv6 | /48 | not checked | |
| 2001:559:86b6::/48 | IPv6 | /48 | not checked | |
| 2001:559:8782::/48 | IPv6 | /48 | not checked | |
| 2001:559:c0ef::/48 | IPv6 | /48 | not checked | |
| 2001:559:c154::/48 | IPv6 | /48 | not checked | |
| 2001:559:c16d::/48 | IPv6 | /48 | not checked | |
| 2001:559:c171::/48 | IPv6 | /48 | not checked | |
| 2001:559:c173::/48 | IPv6 | /48 | not checked | |
| 2001:559:c285::/48 | IPv6 | /48 | not checked | |
| 2001:559:c2e6::/48 | IPv6 | /48 | not checked | |
| 2001:559:c348::/48 | IPv6 | /48 | not checked | |
| 2001:559:c3f5::/48 | IPv6 | /48 | not checked | |
| 2001:559:c493::/48 | IPv6 | /48 | not checked | |
| 2001:559:c54c::/48 | IPv6 | /48 | not checked | |
| 2001:559:fa::/48 | IPv6 | /48 | not checked | |
| 2001:559:fb::/48 | IPv6 | /48 | not checked | |
| 2a03:2887:ff46::/48 | IPv6 | /48 | not checked | |
| 2a03:2887:ff47::/48 | IPv6 | /48 | not checked |
No rows match “”.
Showing – of
Internet Exchanges
Exchanges where this network has a listed peering LAN connection
No Internet Exchange memberships found
The exchange directory has no current membership records for this AS.
Exchange membership means the network has a listed connection; it does not prove peering with other members.
Observed adjacencies
Networks seen next to AS33660 in BGP paths by route collectors.
Observed upstreams
2 networks seen before AS33660 in AS paths
| Families | |||
|---|---|---|---|
| AS7922 COMCAST-7922 | 5,306 | 29,094 |
v4
v6
|
| AS3356 LEVEL3 | 2,214 | 3,145 |
v4
v6
|
No rows match “”.
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Observed downstreams
66 networks seen after AS33660 in AS paths
| Families | |||
|---|---|---|---|
| AS19477 | 205 | 2,393 |
v4
|
| AS54113 FASTLY | 332 | 669 |
v4
v6
|
| AS16785 | 281 | 637 |
v4
|
| AS27178 | 216 | 546 |
v4
|
| AS23389 | 261 | 412 |
v4
|
| AS11052 | 256 | 365 |
v4
|
| AS394662 | 252 | 357 |
v4
v6
|
| AS33741 DENNIS-GROUP | 257 | 347 |
v4
v6
|
| AS393459 | 257 | 335 |
v4
|
| AS11396 TWC-ASN | 256 | 335 |
v4
|
| AS54977 | 256 | 335 |
v4
|
| AS55251 | 256 | 335 |
v4
|
| AS54308 | 256 | 334 |
v4
|
| AS10786 CHARTWAY-FCU | 255 | 333 |
v4
|
| AS394185 | 255 | 333 |
v4
|
| AS397612 ANX | 255 | 332 |
v4
|
| AS399421 | 254 | 332 |
v4
|
| AS393541 | 252 | 330 |
v4
|
| AS29298 SUSE | 244 | 330 |
v4
v6
|
| AS399965 UTAH-JAZZ | 251 | 324 |
v4
|
| AS402114 | 250 | 324 |
v4
|
| AS40644 | 249 | 322 |
v4
|
| AS23154 SANMINA-SCI | 248 | 322 |
v4
|
| AS54629 | 119 | 298 |
v4
|
| AS33173 | 193 | 237 |
v4
|
| AS400988 | 20 | 178 |
v4
|
| AS400284 LTP-USDC-FO-01 | 114 | 150 |
v4
|
| AS395994 | 53 | 135 |
v4
|
| AS17150 | 32 | 105 |
v4
|
| AS32602 | 70 | 85 |
v4
|
| AS393940 | 58 | 79 |
v4
|
| AS402277 | 57 | 78 |
v4
|
| AS19648 | 12 | 56 |
v4
|
| AS393917 | 23 | 33 |
v4
|
| AS11791 | 13 | 32 |
v4
|
| AS13335 CLOUDFLARENET | 18 | 30 |
v4
v6
|
| AS20229 | 12 | 30 |
v4
|
| AS30639 | 10 | 26 |
v4
|
| AS53882 COMMUNITECT | 19 | 22 |
v4
|
| AS29864 | 13 | 21 |
v4
|
| AS63169 BMA | 17 | 18 |
v4
|
| AS17206 MOUNTAIN-AMERICA | 8 | 18 |
v4
|
| AS14034 | 12 | 15 |
v4
|
| AS14950 | 12 | 15 |
v4
|
| AS19831 | 12 | 15 |
v4
|
| AS27480 | 12 | 15 |
v4
|
| AS32230 | 12 | 15 |
v4
|
| AS55018 | 12 | 15 |
v4
|
| AS393546 | 12 | 15 |
v4
|
| AS393557 | 12 | 15 |
v4
|
| AS399885 | 12 | 15 |
v4
|
| AS26740 | 11 | 14 |
v4
|
| AS46367 | 11 | 14 |
v4
|
| AS397157 | 11 | 14 |
v4
|
| AS396033 | 7 | 14 |
v4
|
| AS11688 | 10 | 13 |
v4
|
| AS398374 | 5 | 12 |
v4
|
| AS40505 APXALARM-ASN | 7 | 10 |
v4
|
| AS398140 | 7 | 10 |
v4
|
| AS25655 | 8 | 9 |
v4
|
| AS13610 | 6 | 7 |
v4
|
| AS29919 | 6 | 7 |
v4
|
| AS27625 UBNT-AS | 5 | 7 |
v4
v6
|
| AS400179 | 5 | 7 |
v4
|
| AS29960 | 5 | 6 |
v4
|
| AS400605 | 4 | 5 |
v4
|
No rows match “”.
Showing – of