COMCAST CORPORATION
Comcast Cable Communications, LLC
LEI
51M0QTTNCGUN7KFCFZ59
Registered name
COMCAST CORPORATION
Jurisdiction
US-PA
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 4,058 |
| All fragments | 4,102 blocks across 9 clusters |
| Cluster ID | 191329715 |
| Registry | BGP |
| Customers | find customers using this network → |
NIC Handles
ABOVENET-MNT
AS13367
AS14042
AS14303
AS20214
AS21508
AS22258
AS22909
AS264821
AS3257-IPAM-MNT
AS3257-NET-MNT
AS33287
+60 more
Corporate group (36 entities) ~
top 3 shown — full list (JSON)- Sky UK Limited 177 blocks
- Sky Italia srl 31 blocks
- Sky Deutschland GmbH 5 blocks
Network trust
what's this?
92.0%
of checked blocks have valid RPKI ROA coverage
(1,841 of 2,000, sampled from 4,058)
Wholesale/transit re-announcements (66)
These blocks are registered to Comcast Cable Communications, LLC but cryptographically authorized across 13 different networks — typical for a large wholesale or transit carrier whose address space is substantially re-announced by downstream customers under their own ASNs, not individually noteworthy.
| 140.233.224.0/19 /19 | authorized for AS3320 — Deutsche Telekom AG |
| 48.44.72.0/21 /21 | authorized for AS6079 — RCN |
| 48.44.192.0/21 /21 | authorized for AS6079 — RCN |
| 185.188.192.0/22 /22 | authorized for AS7018 — AT&T Enterprises, LLC |
| 193.31.104.0/22 /22 | authorized for AS399130 — Ispwifi |
| 195.138.124.0/22 /22 | authorized for AS3257 — GTT Communications Inc. |
| 195.211.116.0/22 /22 | authorized for AS7018 — AT&T Enterprises, LLC |
| 48.44.6.0/23 /23 | authorized for AS6079 — RCN |
| 48.44.8.0/23 /23 | authorized for AS6079 — RCN |
| 48.44.32.0/23 /23 | authorized for AS6079 — RCN |
| 48.44.52.0/23 /23 | authorized for AS6079 — RCN |
| 48.44.68.0/23 /23 | authorized for AS6079 — RCN |
| 48.44.82.0/23 /23 | authorized for AS6079 — RCN |
| 48.44.86.0/23 /23 | authorized for AS6079 — RCN |
| 48.44.88.0/23 /23 | authorized for AS6079 — RCN |
+51 more — see the REST API
IP Ranges (4,058)
showing 50 of 4,058 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 5.182.186.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 5.182.187.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 5.182.192.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 5.182.193.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 5.182.194.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 5.182.195.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 5.182.198.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 9.142.0.0/19 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 9.142.48.0/20 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 9.142.96.0/19 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 9.142.118.0/23 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 23.24.0.0/15 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 23.30.0.0/15 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 23.68.0.0/14 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 23.227.64.0/22 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 23.227.92.0/22 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 23.234.144.0/22 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 23.234.152.0/22 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 23.249.160.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 23.249.170.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.0.0.0/12 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.16.0.0/13 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.30.0.0/17 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.34.0.0/16 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.40.0.0/18 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.40.64.0/20 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.60.0.0/14 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.75.216.0/22 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.91.0.0/16 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.98.0.0/15 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.0.0/17 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.42.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.46.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.58.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.72.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.73.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.75.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.124.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.125.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.128.0/19 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.138.0/23 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.143.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.146.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.150.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.104.156.0/24 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.118.0.0/16 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.124.128.0/17 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.125.0.0/16 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.126.0.0/15 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |
| 24.128.0.0/16 | Comcast Cable Communications, LLC | BGP | ANNOUNCED | ● high |