Country
—
ASN LANDING PAGE
AS21283
A1SI-AS A1 Slovenija telekomunikacijske storitve,d.d.
Last updated · Jul 20, 2026
Total prefixes
21
IPv4 prefixes
18
IPv6 prefixes
3
ASN summary
How to read the scale of AS21283
A1SI-AS A1 Slovenija telekomunikacijske storitve,d.d. currently reports 21 prefixes and 47 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?
A1SI-AS A1 Slovenija telekomunikacijske storitve,d.d. 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 AS21283 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
AS21283 ASN lookupAS21283 BGPAS21283 peersAS21283 prefixesAS21283 upstreamsA1SI-AS A1 Slovenija telekomunikacijske storitve,d.d. ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS44968
AS44968
—
AS199612
AS199612
—
AS48894
AS48894
—
AS42473
AS42473
—
AS210197
AS210197
—
AS34367
AS34367
—
AS25059
AS25059
—
AS196895
AS196895
—
AS197391
AS197391
—
AS214296
AS214296
—
AS196846
AS196846
—
AS49659
AS49659
—
AS198827
AS198827
—
AS213115
AS213115
—
AS47917
AS47917
—
AS25467
AS25467
—
AS57517
AS57517
—
AS201395
AS201395
—
AS203618
AS203618
—
AS28850
AS28850
—
AS48419
AS48419
—
AS198061
AS198061
—
AS198524
AS198524
—
AS47993
AS47993
—
AS48772
AS48772
—
AS31687
AS31687
—
AS39727
AS39727
—
AS197907
AS197907
—
AS25066
AS25066
—
AS29051
AS29051
—
AS41970
AS41970
—
AS15822
AS15822
—
AS41505
AS41505
—
Peers
Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 109.239.176.0/20 | AS21283 | — |
| 146.212.0.0/16 | AS21283 | — |
| 185.173.52.0/22 | AS21283 | — |
| 185.28.8.0/22 | AS21283 | — |
| 188.64.24.0/21 | AS21283 | — |
| 2001:15c0::/29 | AS21283 | — |
| 212.18.32.0/19 | AS21283 | — |
| 213.157.224.0/19 | AS21283 | — |
| 2a00:1a20::/29 | AS21283 | — |
| 2a00:1a20::/32 | AS21283 | — |
| 46.122.0.0/15 | AS21283 | — |
| 46.122.64.0/21 | AS21283 | — |
| 46.122.96.0/21 | AS21283 | — |
| 46.164.0.0/18 | AS21283 | — |
| 62.84.224.0/20 | AS21283 | — |
| 80.95.224.0/20 | AS21283 | — |
| 85.10.0.0/19 | AS21283 | — |
| 85.10.32.0/20 | AS21283 | — |
| 90.157.128.0/17 | AS21283 | — |
| 92.37.0.0/17 | AS21283 | — |
| 94.127.24.0/21 | AS21283 | — |
Related ASN pages
AS15169 · Google
Review Google network organization fields, prefixes, peers, upstreams, and downstreams.
AS13335 · Cloudflare
Review Cloudflare network organization fields, prefixes, peers, upstreams, and downstreams.
AS8075 · Microsoft
Review Microsoft network organization fields, prefixes, peers, upstreams, and downstreams.
AS16509 · Amazon
Review Amazon network organization fields, prefixes, peers, upstreams, and downstreams.
Related lookups and next steps
Frequently asked questions about this ASN page
What does AS21283 represent?
AS21283 is an autonomous system number. The current source associates it with A1SI-AS A1 Slovenija telekomunikacijske storitve,d.d. 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 AS21283 page?
They help explain the scale, interconnection depth, and route structure of AS21283. 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 AS21283?
Open a concrete IP page to check how the address maps into AS21283, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.
Related topics
BGP and ASN Basics Guide
Use real IP and ASN pages to understand ASNs, BGP prefixes, peers, upstreams, and downstreams, including the limits of each snapshot.
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.