Country
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ASN LANDING PAGE
AS33668
CMCS - Comcast Cable Communications
Last updated · Apr 4, 2026
Total prefixes
97
IPv4 prefixes
27
IPv6 prefixes
70
ASN summary
How to read the scale of AS33668
CMCS - Comcast Cable Communications currently shows 97 prefixes and 42 upstream, downstream, or peer relationships. Larger prefix inventories often indicate broader network footprint, but they should still be read together with country and peering context.
When is an ASN page most useful?
ASN landing pages are more useful than a single IP page when you want cloud provider attribution, routing research, infrastructure comparison, or network topology analysis at the organization level.
How should you read the country, organization, and role of AS33668?
CMCS - Comcast Cable Communications is currently associated with an unknown region. Country data is only a starting point; the more important signals are the organization name, website, prefix volume, and peering relationships that reveal whether the network behaves like a cloud platform, ISP, CDN, or enterprise backbone.
What should you inspect next after the AS33668 page?
This page is currently showing live ASN data that can be used for peer, prefix, and network scale analysis. The most useful next step is usually to return to a related IP landing page, then compare that concrete address with this ASN profile and with broader topic pages for routing, cloud attribution, or WHOIS ownership analysis.
Search intents this ASN page helps cover
AS33668 ASN lookupAS33668 BGPAS33668 peersAS33668 prefixesAS33668 upstreamsCMCS - Comcast Cable Communications ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS62658
AS62658
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AS393256
AS393256
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AS396224
AS396224
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AS26463
AS26463
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AS397367
AS397367
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AS16758
AS16758
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AS36040
AS36040
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AS13325
AS13325
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AS33372
AS33372
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AS39987
AS39987
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AS397871
AS397871
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AS10351
AS10351
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AS401285
AS401285
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AS4208
AS4208
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AS17003
AS17003
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AS35928
AS35928
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AS14257
AS14257
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AS393941
AS393941
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AS394729
AS394729
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AS53775
AS53775
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AS46674
AS46674
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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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AS395594
AS395594
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AS396911
AS396911
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AS394890
AS394890
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AS32285
AS32285
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AS399293
AS399293
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AS19880
AS19880
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AS395234
AS395234
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AS394446
AS394446
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AS395779
AS395779
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AS397969
AS397969
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AS393471
AS393471
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AS54267
AS54267
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AS400315
AS400315
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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
WHOIS vs ASN Ownership Guide
Continue from this ASN into the differences between WHOIS ownership and ASN ownership.
Routing Troubleshooting and Network Analysis
Continue from this ASN into route troubleshooting and network analysis.
Cloud Network and ASN Comparison
Useful when you want to compare this ASN against larger cloud and edge networks.
WHOIS and IP Ownership Guide
Continue from the ASN page into WHOIS and ownership verification.
Frequently asked questions about this ASN page
What does AS33668 represent?
AS33668 is an autonomous system number used to identify an independently operated network. The current page associates it with CMCS - Comcast Cable Communications in an unknown region, which helps determine whether it behaves like a cloud provider, ISP, CDN, or enterprise backbone.
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?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS33668, then continue into cloud, WHOIS, or routing topic pages to understand the network in a broader context.
Related topics
WHOIS vs ASN Ownership Guide
Understand why WHOIS ownership and ASN ownership can differ, and how to combine both when deciding who really owns or operates an IP.
WHOIS and IP Ownership Guide
Use WHOIS, ASN, prefixes, and organization data to determine who ultimately owns an IP, range, or resolved domain target.
BGP and ASN Basics Guide
Learn what ASN, BGP routes, prefixes, upstreams, downstreams, and peers mean, then explore real ASN pages.
Cloud Network and ASN Comparison
Compare large cloud and edge networks such as Google, Cloudflare, Microsoft, and Amazon through their ASN landing pages.