AS33668
Comcast - Michigan/Detroit
United States (US)
ASN Information
| AS Number | AS33668 |
|---|---|
| AS Name | CMCS |
| Organization | CMCS - Comcast Cable Communications, LLC |
| Also known as | Comcast - Michigan/Detroit |
| Country | United States (US) |
| Registry | ARIN |
| ASN Type | Cable/DSL/ISP |
| Last Seen | |
| Announcement Count | 270 |
| IPv4 Prefix Count | 192 |
| IPv6 Prefix Count | 78 |
| RPKI Status | Valid ×18Unknown (could not be determined) ×32 |
| IRR Records | View IRR route objects |
| Website | Not available |
AS Path to AS33668
Route Collectors (Visibility)
Approximate route collector locations, coloured by peer sessions carrying this AS's routes.
Announced Prefixes (270)
View All →| Prefix | Family | RPKI | Last Seen |
|---|---|---|---|
| 24.127.0.0/16 | IPv4 | Not checked | Not looked up yet |
| 24.128.128.0/17 | IPv4 | Not checked | Not looked up yet |
| 50.76.176.0/20 | IPv4 | Not checked | Not looked up yet |
| 50.77.192.0/18 | IPv4 | Not checked | Not looked up yet |
| 50.185.64.0/18 | IPv4 | Not checked | Not looked up yet |
| 50.192.96.0/19 | IPv4 | Not checked | Not looked up yet |
| 50.197.96.0/19 | IPv4 | Not checked | Not looked up yet |
| 50.199.32.0/20 | IPv4 | Not checked | Not looked up yet |
Peers (65)
View All →| AS | Name | Relationship | Paths | Last Seen |
|---|---|---|---|---|
| AS7922 | COMCAST-7922 - Comcast Cable Communications, LLC | Upstream (inferred) | 5 | |
| AS1438 | PIONEER-STATE-MUTUAL-INSURANCE - PIONEER STATE MUTUAL INSURANCE CO. | Downstream (inferred) | Inferred | — |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | Upstream (inferred) | Inferred | — |
| AS4208 | THE-ISERV-COMPANY - The Iserv Company, LLC | Downstream (inferred) | Inferred | — |
| AS10351 | ENERT - Enertron L.L.C. | Downstream (inferred) | Inferred | — |
| AS11115 | ONLINE-TECH-LLC - Otava, LLC | Downstream (inferred) | Inferred | — |
| AS12088 | — | Downstream (inferred) | Inferred | — |
| AS13325 | — | Downstream (inferred) | Inferred | — |
Neighbours seen next to AS33668 in public AS paths. These are not confirmed BGP sessions; peer IP addresses and locations are not published by these sources.
Public Peering Exchange Points (0)
IX Updates →No Internet Exchange ports are registered for AS33668.
IX ports registered by AS33668 (self-reported by the network).
Interconnection Facilities (1)
| Facility | City | Country |
|---|---|---|
| EdgeConneX Detroit (EDCDET01) | Southfield | United States |
Data centres where AS33668 says it can interconnect (self-reported).
IRR AS-SET and Peering Policy
| IRR AS-SET | Not available |
|---|---|
| Member of AS-SETs | See IRR page |
| Peering policy | Restrictive |
| Multiple locations | Not Required |
| Ratio requirement | Yes |
| Contract | Required |
| Traffic | Not available |
| Traffic ratio | Not Disclosed |
| Geographic scope | Regional |
| Max prefixes (IPv4 / IPv6) | 0 / 0 |
| Unicast / IPv6 / Multicast | Yes / Yes / No |
| Looking glass | Not available |
| Route server | Not available |
Contact Information (0)
No public contacts are registered for AS33668.
Only contacts the network has chosen to publish are shown.
Upstreams (2)
Downstreams (63)
View all →| AS | Name | Relationship | Paths | Last Seen |
|---|---|---|---|---|
| AS1438 | PIONEER-STATE-MUTUAL-INSURANCE - PIONEER STATE MUTUAL INSURANCE CO. | Downstream (inferred) | Inferred | — |
| AS4208 | THE-ISERV-COMPANY - The Iserv Company, LLC | Downstream (inferred) | Inferred | — |
| AS10351 | ENERT - Enertron L.L.C. | Downstream (inferred) | Inferred | — |
| AS11115 | ONLINE-TECH-LLC - Otava, LLC | Downstream (inferred) | Inferred | — |
| AS12088 | — | Downstream (inferred) | Inferred | — |
| AS13325 | — | Downstream (inferred) | Inferred | — |
| AS13335 | — | Downstream (inferred) | Inferred | — |
| AS13683 | — | Downstream (inferred) | Inferred | — |
| AS14010 | — | Downstream (inferred) | Inferred | — |
| AS14257 | EZ-NET - The Iserv Company, LLC | Downstream (inferred) | Inferred | — |
| AS14842 | — | Downstream (inferred) | Inferred | — |
| AS15099 | — | Downstream (inferred) | Inferred | — |
Registry and network details
| Registered holder | CMCS - Comcast Cable Communications, LLC |
|---|---|
| Registered | Yes |
| Peering policy | Restrictive |
| IRR AS-set | Not available |
| Registry record last modified | Not available |
| Maintainers | Not available |
| Internet exchanges | 0 |
| Facilities | 1 |
| Network profile updated |
Data updated . See limitations.