Country
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ASN LANDING PAGE
AS20001
TWC-20001-PACWEST - Charter Communications Inc
Last updated · Apr 4, 2026
Total prefixes
593
IPv4 prefixes
572
IPv6 prefixes
21
ASN summary
How to read the scale of AS20001
TWC-20001-PACWEST - Charter Communications Inc currently shows 593 prefixes and 45 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 AS20001?
TWC-20001-PACWEST - Charter Communications Inc 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 AS20001 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
AS20001 ASN lookupAS20001 BGPAS20001 peersAS20001 prefixesAS20001 upstreamsTWC-20001-PACWEST - Charter Communications Inc ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS36315
AS36315
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AS11188
AS11188
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AS4179
AS4179
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AS395102
AS395102
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AS3456
AS3456
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AS62819
AS62819
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AS46838
AS46838
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AS394762
AS394762
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AS395924
AS395924
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AS64290
AS64290
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AS46292
AS46292
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AS11687
AS11687
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AS398023
AS398023
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AS21705
AS21705
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AS30012
AS30012
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AS19115
AS19115
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AS11756
AS11756
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AS54576
AS54576
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AS6534
AS6534
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AS23000
AS23000
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AS22948
AS22948
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AS32358
AS32358
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AS5033
AS5033
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AS26302
AS26302
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AS33134
AS33134
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AS32324
AS32324
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AS396299
AS396299
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AS399256
AS399256
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AS53527
AS53527
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AS399876
AS399876
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AS46744
AS46744
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AS8188
AS8188
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AS398332
AS398332
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AS14767
AS14767
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AS15074
AS15074
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AS16408
AS16408
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AS19913
AS19913
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AS22293
AS22293
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AS25910
AS25910
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AS27242
AS27242
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Peers
Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 101.60.0.0/17 | AS20001 | — |
| 101.60.128.0/18 | AS20001 | — |
| 101.60.192.0/19 | AS20001 | — |
| 101.60.224.0/20 | AS20001 | — |
| 101.60.240.0/21 | AS20001 | — |
| 101.60.248.0/22 | AS20001 | — |
| 101.60.252.0/23 | AS20001 | — |
| 101.61.0.0/17 | AS20001 | — |
| 101.61.128.0/18 | AS20001 | — |
| 101.61.192.0/19 | AS20001 | — |
| 101.61.224.0/20 | AS20001 | — |
| 101.61.240.0/21 | AS20001 | — |
| 101.61.248.0/22 | AS20001 | — |
| 101.61.252.0/23 | AS20001 | — |
| 101.61.254.0/24 | AS20001 | — |
| 102.129.191.0/24 | AS20001 | — |
| 102.129.244.0/24 | AS20001 | — |
| 102.129.247.0/24 | AS20001 | — |
| 104.129.254.0/24 | AS20001 | — |
| 104.172.0.0/14 | AS20001 | — |
| 104.224.81.0/24 | AS20001 | — |
| 104.234.122.0/24 | AS20001 | — |
| 104.244.102.0/24 | AS20001 | — |
| 104.32.0.0/14 | AS20001 | — |
| 108.178.128.0/18 | AS20001 | — |
| 109.121.40.0/24 | AS20001 | — |
| 109.121.43.0/24 | AS20001 | — |
| 109.233.184.0/24 | AS20001 | — |
| 109.233.185.0/24 | AS20001 | — |
| 130.254.103.0/24 | AS20001 | — |
| 130.254.112.0/24 | AS20001 | — |
| 130.254.113.0/24 | AS20001 | — |
| 130.44.200.0/24 | AS20001 | — |
| 130.44.202.0/24 | AS20001 | — |
| 138.229.100.0/24 | AS20001 | — |
| 138.229.101.0/24 | AS20001 | — |
| 138.229.102.0/24 | AS20001 | — |
| 138.229.103.0/24 | AS20001 | — |
| 138.229.104.0/24 | AS20001 | — |
| 138.229.106.0/24 | AS20001 | — |
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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 AS20001 represent?
AS20001 is an autonomous system number used to identify an independently operated network. The current page associates it with TWC-20001-PACWEST - Charter Communications Inc 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 AS20001 page?
They help explain the scale, interconnection depth, and route structure of AS20001. 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 AS20001?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS20001, 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.