Country
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ASN LANDING PAGE
AS25921
LUS-FIBER-LCG - LUS Fiber
Last updated · Jul 20, 2026
Total prefixes
38
IPv4 prefixes
38
IPv6 prefixes
0
ASN summary
How to read the scale of AS25921
LUS-FIBER-LCG - LUS Fiber currently reports 38 prefixes and 4 upstream, downstream, or peer relationships. These counts describe the current dataset; they do not by themselves prove network quality, reach, or service use.
What can an ASN page answer?
An ASN page shows the public organization label, country or region, BGP prefixes, and available peer and upstream relationships. It adds network context but cannot confirm a website host, physical facility, security status, or service quality.
How should you read the organization and region fields?
LUS-FIBER-LCG - LUS Fiber is currently associated with an unknown region. These values come from public network sources and are useful lookup clues; an organization label, registration region, and actual service location may differ.
How should you verify the AS25921 result?
The page shows ASN data returned by the current upstream query; interpret it with the update time. Open representative IP pages from the same network and compare prefixes, source labels, and query times. Verify operator or service claims with the relevant registry or network operator.
How to verify this ASN result
AS25921 ASN lookupAS25921 BGPAS25921 peersAS25921 prefixesAS25921 upstreamsLUS-FIBER-LCG - LUS Fiber ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 12.152.107.0/24 | AS25921 | — |
| 12.152.126.0/24 | AS25921 | — |
| 12.166.208.0/22 | AS25921 | — |
| 12.166.208.0/24 | AS25921 | — |
| 12.166.209.0/24 | AS25921 | — |
| 12.166.211.0/24 | AS25921 | — |
| 12.166.216.0/21 | AS25921 | — |
| 12.166.223.0/24 | AS25921 | — |
| 65.125.93.0/24 | AS25921 | — |
| 69.1.160.0/21 | AS25921 | — |
| 69.1.168.0/21 | AS25921 | — |
| 69.1.176.0/21 | AS25921 | — |
| 69.1.184.0/21 | AS25921 | — |
| 74.80.0.0/18 | AS25921 | — |
| 74.80.0.0/21 | AS25921 | — |
| 74.80.16.0/21 | AS25921 | — |
| 74.80.24.0/21 | AS25921 | — |
| 74.80.32.0/21 | AS25921 | — |
| 74.80.40.0/21 | AS25921 | — |
| 74.80.48.0/21 | AS25921 | — |
| 74.80.56.0/21 | AS25921 | — |
| 74.80.8.0/21 | AS25921 | — |
| 76.72.0.0/17 | AS25921 | — |
| 76.72.0.0/21 | AS25921 | — |
| 76.72.126.0/23 | AS25921 | — |
| 76.72.16.0/21 | AS25921 | — |
| 76.72.24.0/21 | AS25921 | — |
| 76.72.32.0/21 | AS25921 | — |
| 76.72.40.0/21 | AS25921 | — |
| 76.72.48.0/21 | AS25921 | — |
| 76.72.56.0/21 | AS25921 | — |
| 76.72.64.0/21 | AS25921 | — |
| 76.72.72.0/21 | AS25921 | — |
| 76.72.8.0/21 | AS25921 | — |
| 76.72.80.0/23 | AS25921 | — |
| 76.72.82.0/23 | AS25921 | — |
| 76.72.88.0/21 | AS25921 | — |
| 76.72.96.0/21 | AS25921 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS25921 represent?
AS25921 is an autonomous system number. The current source associates it with LUS-FIBER-LCG - LUS Fiber and the region field an unknown region; those values add network context but do not prove a specific service, physical location, or quality level.
What are peers, upstreams, and prefixes useful for on the AS25921 page?
They help explain the scale, interconnection depth, and route structure of AS25921. 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 AS25921?
Open a concrete IP page to check how the address maps into AS25921, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.
Related topics
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Routing Troubleshooting and Network Analysis
Build troubleshooting context from an IP, BGP prefix, ASN, and public network relationships without treating static route data as a packet path.
Cloud Network and ASN Comparison
Compare representative cloud and edge networks by ASN, announced prefixes, peers, upstreams, and downstreams without inferring a specific host or customer workload.