Country
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ASN LANDING PAGE
AS21100
ITLDC-EU - GREEN FLOID LLC
Last updated · Apr 4, 2026
Total prefixes
39
IPv4 prefixes
31
IPv6 prefixes
8
ASN summary
How to read the scale of AS21100
ITLDC-EU - GREEN FLOID LLC currently shows 39 prefixes and 46 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 AS21100?
ITLDC-EU - GREEN FLOID LLC 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 AS21100 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
AS21100 ASN lookupAS21100 BGPAS21100 peersAS21100 prefixesAS21100 upstreamsITLDC-EU - GREEN FLOID LLC ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS20562
AS20562
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AS174
AS174
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AS24961
AS24961
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AS6461
AS6461
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AS9002
AS9002
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AS6939
AS6939
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AS24785
AS24785
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AS12637
AS12637
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AS50673
AS50673
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AS8218
AS8218
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AS8298
AS8298
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AS14907
AS14907
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AS25091
AS25091
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AS58057
AS58057
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AS20485
AS20485
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AS37100
AS37100
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AS33891
AS33891
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AS41327
AS41327
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AS56911
AS56911
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AS34019
AS34019
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AS49434
AS49434
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AS205112
AS205112
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AS34927
AS34927
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AS29632
AS29632
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AS1103
AS1103
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AS1140
AS1140
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AS12859
AS12859
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AS24482
AS24482
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AS39351
AS39351
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AS51185
AS51185
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AS58299
AS58299
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AS62167
AS62167
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AS204092
AS204092
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AS209090
AS209090
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AS212483
AS212483
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AS3333
AS3333
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AS5405
AS5405
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AS5713
AS5713
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AS14840
AS14840
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AS20932
AS20932
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 185.14.28.0/22 | AS21100 | — |
| 185.174.172.0/22 | AS21100 | — |
| 185.198.164.0/22 | AS21100 | — |
| 185.237.206.0/23 | AS21100 | — |
| 185.62.0.0/24 | AS21100 | — |
| 193.106.150.0/24 | AS21100 | — |
| 193.161.202.0/24 | AS21100 | — |
| 195.123.216.0/21 | AS21100 | — |
| 195.245.112.0/23 | AS21100 | — |
| 195.54.162.0/24 | AS21100 | — |
| 2001:67c:2f5c::/48 | AS21100 | — |
| 212.8.245.0/24 | AS21100 | — |
| 213.134.2.0/24 | AS21100 | — |
| 217.12.200.0/23 | AS21100 | — |
| 217.12.208.0/23 | AS21100 | — |
| 217.12.215.0/24 | AS21100 | — |
| 217.12.218.0/24 | AS21100 | — |
| 217.12.219.0/24 | AS21100 | — |
| 217.12.220.0/24 | AS21100 | — |
| 2a02:27a9::/32 | AS21100 | — |
| 2a02:27ab::/32 | AS21100 | — |
| 2a02:27ae::/32 | AS21100 | — |
| 2a02:27af::/32 | AS21100 | — |
| 2a06:c6c0::/48 | AS21100 | — |
| 2a06:fcc0:3::/48 | AS21100 | — |
| 2a0e:40c0:2::/48 | AS21100 | — |
| 45.128.150.0/24 | AS21100 | — |
| 46.28.65.0/24 | AS21100 | — |
| 46.28.66.0/24 | AS21100 | — |
| 46.28.68.0/24 | AS21100 | — |
| 46.28.69.0/24 | AS21100 | — |
| 5.34.180.0/23 | AS21100 | — |
| 82.118.16.0/24 | AS21100 | — |
| 82.118.19.0/24 | AS21100 | — |
| 91.223.123.0/24 | AS21100 | — |
| 91.235.129.0/24 | AS21100 | — |
| 91.90.192.0/24 | AS21100 | — |
| 91.90.194.0/24 | AS21100 | — |
| 93.187.64.0/24 | AS21100 | — |
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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 AS21100 represent?
AS21100 is an autonomous system number used to identify an independently operated network. The current page associates it with ITLDC-EU - GREEN FLOID LLC 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 AS21100 page?
They help explain the scale, interconnection depth, and route structure of AS21100. 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 AS21100?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS21100, 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.