Country
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ASN LANDING PAGE
AS21497
UMC-AS PrJSC "VF UKRAINE"
Last updated · Jul 20, 2026
Total prefixes
173
IPv4 prefixes
166
IPv6 prefixes
7
ASN summary
How to read the scale of AS21497
UMC-AS PrJSC "VF UKRAINE" currently reports 173 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?
UMC-AS PrJSC "VF UKRAINE" 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 AS21497 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
AS21497 ASN lookupAS21497 BGPAS21497 peersAS21497 prefixesAS21497 upstreamsUMC-AS PrJSC "VF UKRAINE" ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS29491
AS29491
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AS12883
AS12883
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AS12593
AS12593
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AS6702
AS6702
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AS25372
AS25372
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AS31148
AS31148
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AS43309
AS43309
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AS34265
AS34265
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AS6703
AS6703
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AS47359
AS47359
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AS57962
AS57962
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AS198429
AS198429
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AS208139
AS208139
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AS34143
AS34143
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AS205722
AS205722
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AS31062
AS31062
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AS31504
AS31504
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AS31589
AS31589
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AS42799
AS42799
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AS44616
AS44616
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AS47940
AS47940
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AS52151
AS52151
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AS59602
AS59602
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AS210068
AS210068
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AS212233
AS212233
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AS8813
AS8813
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AS49168
AS49168
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AS34118
AS34118
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AS214324
AS214324
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AS209647
AS209647
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AS44800
AS44800
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AS42719
AS42719
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AS16007
AS16007
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AS208038
AS208038
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AS12294
AS12294
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AS56439
AS56439
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AS210330
AS210330
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AS57441
AS57441
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AS52003
AS52003
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AS41685
AS41685
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Peers
AS3257
AS3257
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AS2914
AS2914
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AS1273
AS1273
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AS6939
AS6939
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AS35280
AS35280
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AS34549
AS34549
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AS6461
AS6461
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AS5405
AS5405
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AS34019
AS34019
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AS34177
AS34177
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AS35625
AS35625
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AS34927
AS34927
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AS6057
AS6057
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AS25091
AS25091
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AS24961
AS24961
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AS12779
AS12779
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AS39351
AS39351
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AS41327
AS41327
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AS29691
AS29691
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AS37497
AS37497
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AS8218
AS8218
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AS8298
AS8298
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AS50673
AS50673
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AS8758
AS8758
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AS20485
AS20485
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AS20764
AS20764
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AS48362
AS48362
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AS3303
AS3303
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AS29075
AS29075
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AS15605
AS15605
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AS12859
AS12859
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AS50763
AS50763
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AS14840
AS14840
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AS25160
AS25160
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AS61049
AS61049
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AS47147
AS47147
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AS18106
AS18106
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AS12637
AS12637
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AS49605
AS49605
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AS51873
AS51873
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 128.124.0.0/16 | AS21497 | — |
| 128.124.0.0/17 | AS21497 | — |
| 128.124.0.0/18 | AS21497 | — |
| 128.124.0.0/19 | AS21497 | — |
| 128.124.128.0/17 | AS21497 | — |
| 128.124.128.0/18 | AS21497 | — |
| 128.124.128.0/19 | AS21497 | — |
| 128.124.160.0/19 | AS21497 | — |
| 128.124.192.0/18 | AS21497 | — |
| 128.124.192.0/19 | AS21497 | — |
| 128.124.224.0/19 | AS21497 | — |
| 128.124.32.0/19 | AS21497 | — |
| 128.124.64.0/18 | AS21497 | — |
| 128.124.64.0/19 | AS21497 | — |
| 128.124.96.0/19 | AS21497 | — |
| 178.133.0.0/16 | AS21497 | — |
| 178.133.0.0/17 | AS21497 | — |
| 178.133.0.0/18 | AS21497 | — |
| 178.133.0.0/19 | AS21497 | — |
| 178.133.128.0/17 | AS21497 | — |
| 178.133.128.0/18 | AS21497 | — |
| 178.133.128.0/19 | AS21497 | — |
| 178.133.160.0/19 | AS21497 | — |
| 178.133.192.0/18 | AS21497 | — |
| 178.133.192.0/19 | AS21497 | — |
| 178.133.224.0/19 | AS21497 | — |
| 178.133.32.0/19 | AS21497 | — |
| 178.133.64.0/18 | AS21497 | — |
| 178.133.64.0/19 | AS21497 | — |
| 178.133.96.0/19 | AS21497 | — |
| 178.136.0.0/20 | AS21497 | — |
| 178.136.104.0/21 | AS21497 | — |
| 178.136.132.0/24 | AS21497 | — |
| 178.136.191.0/24 | AS21497 | — |
| 178.136.28.0/22 | AS21497 | — |
| 178.136.32.0/22 | AS21497 | — |
| 178.136.40.0/21 | AS21497 | — |
| 178.136.56.0/21 | AS21497 | — |
| 178.136.64.0/23 | AS21497 | — |
| 178.136.66.0/23 | AS21497 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS21497 represent?
AS21497 is an autonomous system number. The current source associates it with UMC-AS PrJSC "VF UKRAINE" 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 AS21497 page?
They help explain the scale, interconnection depth, and route structure of AS21497. 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 AS21497?
Open a concrete IP page to check how the address maps into AS21497, 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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