Country
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ASN LANDING PAGE
AS12129
123NET - 123.Net, Inc.
Last updated · Apr 10, 2026
Total prefixes
60
IPv4 prefixes
54
IPv6 prefixes
6
ASN summary
How to read the scale of AS12129
123NET - 123.Net, Inc. currently shows 60 prefixes and 59 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 AS12129?
123NET - 123.Net, 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 AS12129 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
AS12129 ASN lookupAS12129 BGPAS12129 peersAS12129 prefixesAS12129 upstreams123NET - 123.Net, Inc. ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS401307
AS401307
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AS27216
AS27216
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AS11115
AS11115
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AS22379
AS22379
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AS32477
AS32477
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AS19901
AS19901
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AS393256
AS393256
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AS15154
AS15154
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AS398351
AS398351
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AS54178
AS54178
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AS19224
AS19224
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AS16939
AS16939
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AS401313
AS401313
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AS63126
AS63126
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AS397085
AS397085
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AS399308
AS399308
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AS31923
AS31923
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AS17143
AS17143
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AS16556
AS16556
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AS53263
AS53263
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AS267
AS267
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AS54932
AS54932
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AS46569
AS46569
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AS395813
AS395813
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AS32002
AS32002
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AS394160
AS394160
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AS36127
AS36127
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AS215129
AS215129
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AS36349
AS36349
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AS2015
AS2015
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AS14938
AS14938
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AS54163
AS54163
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AS19131
AS19131
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AS33488
AS33488
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AS53505
AS53505
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AS62606
AS62606
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AS399741
AS399741
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AS1074
AS1074
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AS19748
AS19748
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AS32605
AS32605
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Peers
Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 130.44.28.0/22 | AS12129 | — |
| 130.51.212.0/22 | AS12129 | — |
| 147.189.140.0/24 | AS12129 | — |
| 149.19.205.0/24 | AS12129 | — |
| 152.160.0.0/17 | AS12129 | — |
| 152.160.110.0/24 | AS12129 | — |
| 152.160.128.0/18 | AS12129 | — |
| 152.160.140.0/22 | AS12129 | — |
| 152.160.144.0/22 | AS12129 | — |
| 152.160.160.0/20 | AS12129 | — |
| 152.160.184.0/21 | AS12129 | — |
| 176.111.221.0/24 | AS12129 | — |
| 181.214.238.0/23 | AS12129 | — |
| 192.149.240.0/24 | AS12129 | — |
| 192.153.192.0/24 | AS12129 | — |
| 192.159.68.0/23 | AS12129 | — |
| 192.96.208.0/20 | AS12129 | — |
| 198.153.129.0/24 | AS12129 | — |
| 198.3.44.0/24 | AS12129 | — |
| 198.3.45.0/24 | AS12129 | — |
| 198.3.46.0/24 | AS12129 | — |
| 198.3.47.0/24 | AS12129 | — |
| 199.167.252.0/22 | AS12129 | — |
| 199.231.52.0/22 | AS12129 | — |
| 199.249.0.0/21 | AS12129 | — |
| 199.33.234.0/23 | AS12129 | — |
| 204.106.17.0/24 | AS12129 | — |
| 204.232.80.0/20 | AS12129 | — |
| 205.251.176.0/20 | AS12129 | — |
| 206.168.80.0/24 | AS12129 | — |
| 207.91.192.0/18 | AS12129 | — |
| 207.91.200.0/21 | AS12129 | — |
| 207.91.232.0/21 | AS12129 | — |
| 208.86.112.0/24 | AS12129 | — |
| 209.103.128.0/20 | AS12129 | — |
| 209.124.32.0/19 | AS12129 | — |
| 209.124.52.0/23 | AS12129 | — |
| 209.124.56.0/22 | AS12129 | — |
| 209.131.0.0/19 | AS12129 | — |
| 216.109.192.0/20 | AS12129 | — |
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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 AS12129 represent?
AS12129 is an autonomous system number used to identify an independently operated network. The current page associates it with 123NET - 123.Net, 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 AS12129 page?
They help explain the scale, interconnection depth, and route structure of AS12129. 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 AS12129?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS12129, 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.