Country
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ASN LANDING PAGE
AS50300
CUSTDC - CustodianDC Limited
Last updated · Apr 4, 2026
Total prefixes
49
IPv4 prefixes
41
IPv6 prefixes
8
ASN summary
How to read the scale of AS50300
CUSTDC - CustodianDC Limited currently shows 49 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 AS50300?
CUSTDC - CustodianDC Limited 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 AS50300 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
AS50300 ASN lookupAS50300 BGPAS50300 peersAS50300 prefixesAS50300 upstreamsCUSTDC - CustodianDC Limited ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS3356
AS3356
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AS3257
AS3257
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AS6939
AS6939
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AS174
AS174
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AS2914
AS2914
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AS9002
AS9002
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AS9498
AS9498
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AS57463
AS57463
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AS37468
AS37468
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AS33891
AS33891
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AS7195
AS7195
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AS64049
AS64049
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AS13335
AS13335
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AS137409
AS137409
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AS32787
AS32787
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AS20764
AS20764
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AS1031
AS1031
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AS5405
AS5405
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AS37100
AS37100
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AS31500
AS31500
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AS12552
AS12552
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AS8708
AS8708
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AS12741
AS12741
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AS35598
AS35598
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AS4800
AS4800
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AS31133
AS31133
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AS28283
AS28283
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AS29119
AS29119
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AS37662
AS37662
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AS1828
AS1828
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AS30844
AS30844
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AS13030
AS13030
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AS34927
AS34927
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AS35280
AS35280
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AS24482
AS24482
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AS3223
AS3223
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AS20804
AS20804
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AS3326
AS3326
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AS15830
AS15830
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AS37271
AS37271
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 109.74.240.0/24 | AS50300 | — |
| 109.74.241.0/24 | AS50300 | — |
| 109.74.242.0/24 | AS50300 | — |
| 109.74.243.0/24 | AS50300 | — |
| 109.74.244.0/24 | AS50300 | — |
| 109.74.246.0/24 | AS50300 | — |
| 109.74.247.0/24 | AS50300 | — |
| 109.74.248.0/24 | AS50300 | — |
| 109.74.249.0/24 | AS50300 | — |
| 109.74.250.0/24 | AS50300 | — |
| 109.74.251.0/24 | AS50300 | — |
| 109.74.252.0/24 | AS50300 | — |
| 109.74.254.0/24 | AS50300 | — |
| 109.74.255.0/24 | AS50300 | — |
| 176.12.104.0/24 | AS50300 | — |
| 176.12.105.0/24 | AS50300 | — |
| 176.12.106.0/24 | AS50300 | — |
| 176.12.107.0/24 | AS50300 | — |
| 176.12.108.0/24 | AS50300 | — |
| 176.12.109.0/24 | AS50300 | — |
| 176.12.110.0/24 | AS50300 | — |
| 185.104.136.0/24 | AS50300 | — |
| 185.14.164.0/22 | AS50300 | — |
| 185.32.72.0/24 | AS50300 | — |
| 185.32.73.0/24 | AS50300 | — |
| 185.32.75.0/24 | AS50300 | — |
| 185.42.65.0/24 | AS50300 | — |
| 185.48.164.0/24 | AS50300 | — |
| 185.48.165.0/24 | AS50300 | — |
| 185.48.166.0/24 | AS50300 | — |
| 185.48.167.0/24 | AS50300 | — |
| 193.33.198.0/24 | AS50300 | — |
| 2a00:1c10:100::/40 | AS50300 | — |
| 2a00:1c10:10::/44 | AS50300 | — |
| 2a00:1c10:30::/44 | AS50300 | — |
| 2a00:1c10:40::/44 | AS50300 | — |
| 2a00:1c10::/44 | AS50300 | — |
| 2a00:1c10:cd0::/44 | AS50300 | — |
| 2a00:1c10:da2::/48 | AS50300 | — |
| 2a00:1c10:fff0::/44 | AS50300 | — |
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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 AS50300 represent?
AS50300 is an autonomous system number used to identify an independently operated network. The current page associates it with CUSTDC - CustodianDC Limited 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 AS50300 page?
They help explain the scale, interconnection depth, and route structure of AS50300. 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 AS50300?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS50300, 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.