Country
—
ASN LANDING PAGE
AS15412
FLAG-AS Flag Telecom UK Limited
Last updated · Jul 20, 2026
Total prefixes
21
IPv4 prefixes
20
IPv6 prefixes
1
ASN summary
How to read the scale of AS15412
FLAG-AS Flag Telecom UK Limited currently reports 21 prefixes and 80 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?
FLAG-AS Flag Telecom UK Limited 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 AS15412 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
AS15412 ASN lookupAS15412 BGPAS15412 peersAS15412 prefixesAS15412 upstreamsFLAG-AS Flag Telecom UK Limited ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS9304
AS9304
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AS45903
AS45903
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AS135607
AS135607
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AS7568
AS7568
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AS18101
AS18101
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AS9848
AS9848
—
AS17408
AS17408
—
AS174
AS174
—
AS29357
AS29357
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AS45629
AS45629
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AS8452
AS8452
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AS5416
AS5416
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AS15802
AS15802
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AS57187
AS57187
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AS33788
AS33788
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AS260
AS260
—
AS6461
AS6461
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AS9924
AS9924
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AS55355
AS55355
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AS47589
AS47589
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AS3491
AS3491
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AS9416
AS9416
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AS35019
AS35019
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AS23930
AS23930
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AS1299
AS1299
—
AS3216
AS3216
—
AS45430
AS45430
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AS30873
AS30873
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AS17470
AS17470
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AS11164
AS11164
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AS23749
AS23749
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AS202414
AS202414
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AS10133
AS10133
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AS133012
AS133012
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AS3320
AS3320
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AS132827
AS132827
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AS29664
AS29664
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AS40339
AS40339
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AS6910
AS6910
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AS34945
AS34945
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Peers
AS6939
AS6939
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AS1299
AS1299
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AS15802
AS15802
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AS6762
AS6762
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AS9304
AS9304
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AS2914
AS2914
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AS174
AS174
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AS18041
AS18041
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AS38855
AS38855
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AS199524
AS199524
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AS60068
AS60068
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AS24482
AS24482
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AS14840
AS14840
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AS8218
AS8218
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AS41327
AS41327
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AS3320
AS3320
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AS3491
AS3491
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AS31742
AS31742
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AS48070
AS48070
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AS6453
AS6453
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AS62167
AS62167
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AS5405
AS5405
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AS6461
AS6461
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AS212483
AS212483
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AS198150
AS198150
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AS19151
AS19151
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AS1103
AS1103
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AS13237
AS13237
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AS37468
AS37468
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AS49544
AS49544
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AS134823
AS134823
—
AS13030
AS13030
—
AS37721
AS37721
—
AS24961
AS24961
—
AS1828
AS1828
—
AS38008
AS38008
—
AS2497
AS2497
—
AS9044
AS9044
—
AS42473
AS42473
—
AS6667
AS6667
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 103.103.152.0/22 | AS15412 | — |
| 103.11.237.0/24 | AS15412 | — |
| 103.144.202.0/23 | AS15412 | — |
| 103.15.116.0/22 | AS15412 | — |
| 103.154.20.0/23 | AS15412 | — |
| 103.225.192.0/22 | AS15412 | — |
| 103.5.160.0/22 | AS15412 | — |
| 103.8.84.0/24 | AS15412 | — |
| 103.8.85.0/24 | AS15412 | — |
| 103.8.86.0/24 | AS15412 | — |
| 103.8.87.0/24 | AS15412 | — |
| 2001:1a00::/32 | AS15412 | — |
| 203.79.35.0/24 | AS15412 | — |
| 203.79.37.0/24 | AS15412 | — |
| 203.79.39.0/24 | AS15412 | — |
| 43.248.216.0/22 | AS15412 | — |
| 45.125.188.0/22 | AS15412 | — |
| 62.216.128.0/19 | AS15412 | — |
| 80.77.0.0/20 | AS15412 | — |
| 80.81.64.0/19 | AS15412 | — |
| 85.95.24.0/22 | AS15412 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS15412 represent?
AS15412 is an autonomous system number. The current source associates it with FLAG-AS Flag Telecom UK Limited 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 AS15412 page?
They help explain the scale, interconnection depth, and route structure of AS15412. 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 AS15412?
Open a concrete IP page to check how the address maps into AS15412, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.
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