Country
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ASN LANDING PAGE
AS33668
CMCS - Comcast Cable Communications, LLC
Last updated · Jul 20, 2026
Total prefixes
96
IPv4 prefixes
27
IPv6 prefixes
69
ASN summary
How to read the scale of AS33668
CMCS - Comcast Cable Communications, LLC currently reports 96 prefixes and 42 upstream, downstream, or peer relationships. These counts describe the current dataset; they do not by themselves prove network quality, reach, or service use.
What can an ASN page answer?
An ASN page shows the public organization label, country or region, BGP prefixes, and available peer and upstream relationships. It adds network context but cannot confirm a website host, physical facility, security status, or service quality.
How should you read the organization and region fields?
CMCS - Comcast Cable Communications, LLC is currently associated with an unknown region. These values come from public network sources and are useful lookup clues; an organization label, registration region, and actual service location may differ.
How should you verify the AS33668 result?
The page shows ASN data returned by the current upstream query; interpret it with the update time. Open representative IP pages from the same network and compare prefixes, source labels, and query times. Verify operator or service claims with the relevant registry or network operator.
How to verify this ASN result
AS33668 ASN lookupAS33668 BGPAS33668 peersAS33668 prefixesAS33668 upstreamsCMCS - Comcast Cable Communications, LLC ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS62658
AS62658
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AS396224
AS396224
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AS393256
AS393256
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AS26463
AS26463
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AS53352
AS53352
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AS11115
AS11115
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AS16758
AS16758
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AS36040
AS36040
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AS39987
AS39987
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AS13325
AS13325
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AS4208
AS4208
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AS33372
AS33372
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AS10351
AS10351
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AS14257
AS14257
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AS17003
AS17003
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AS397367
AS397367
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AS397871
AS397871
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AS401285
AS401285
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AS35928
AS35928
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AS46674
AS46674
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AS53775
AS53775
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AS23032
AS23032
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AS32477
AS32477
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AS14842
AS14842
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AS26510
AS26510
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AS394890
AS394890
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AS394729
AS394729
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AS32285
AS32285
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AS399293
AS399293
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AS19880
AS19880
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AS394446
AS394446
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AS395234
AS395234
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AS397969
AS397969
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AS395551
AS395551
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AS393471
AS393471
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AS395779
AS395779
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AS400315
AS400315
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AS54267
AS54267
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AS393673
AS393673
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AS36127
AS36127
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Peers
Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 107.0.213.0/24 | AS33668 | — |
| 157.240.130.0/24 | AS33668 | — |
| 157.240.135.0/24 | AS33668 | — |
| 192.138.205.0/24 | AS33668 | — |
| 192.88.105.0/24 | AS33668 | — |
| 198.180.251.0/24 | AS33668 | — |
| 198.199.172.0/24 | AS33668 | — |
| 2001:559:10d::/48 | AS33668 | — |
| 2001:559:10e::/48 | AS33668 | — |
| 2001:559:15c::/48 | AS33668 | — |
| 2001:559:1ef::/48 | AS33668 | — |
| 2001:559:248::/48 | AS33668 | — |
| 2001:559:254::/48 | AS33668 | — |
| 2001:559:25c::/48 | AS33668 | — |
| 2001:559:25d::/48 | AS33668 | — |
| 2001:559:261::/48 | AS33668 | — |
| 2001:559:270::/48 | AS33668 | — |
| 2001:559:318::/48 | AS33668 | — |
| 2001:559:330::/48 | AS33668 | — |
| 2001:559:33d::/48 | AS33668 | — |
| 2001:559:361::/48 | AS33668 | — |
| 2001:559:365::/48 | AS33668 | — |
| 2001:559:391::/48 | AS33668 | — |
| 2001:559:3ce::/48 | AS33668 | — |
| 2001:559:3d9::/48 | AS33668 | — |
| 2001:559:3fe::/48 | AS33668 | — |
| 2001:559:44::/48 | AS33668 | — |
| 2001:559:5a4::/48 | AS33668 | — |
| 2001:559:5c8::/48 | AS33668 | — |
| 2001:559:704::/48 | AS33668 | — |
| 2001:559:7e0::/48 | AS33668 | — |
| 2001:559:7e7::/48 | AS33668 | — |
| 2001:559:8093::/48 | AS33668 | — |
| 2001:559:809e::/48 | AS33668 | — |
| 2001:559:80ac::/48 | AS33668 | — |
| 2001:559:815e::/48 | AS33668 | — |
| 2001:559:817a::/48 | AS33668 | — |
| 2001:559:817b::/48 | AS33668 | — |
| 2001:559:82d7::/48 | AS33668 | — |
| 2001:559:82f7::/48 | AS33668 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS33668 represent?
AS33668 is an autonomous system number. The current source associates it with CMCS - Comcast Cable Communications, LLC and the region field an unknown region; those values add network context but do not prove a specific service, physical location, or quality level.
What are peers, upstreams, and prefixes useful for on the AS33668 page?
They help explain the scale, interconnection depth, and route structure of AS33668. Richer peering and upstream data often indicate broader network reach, but they should still be interpreted together with prefixes and related IP landing pages.
What should you do after reviewing AS33668?
Open a concrete IP page to check how the address maps into AS33668, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.
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