Country
—
ASN LANDING PAGE
AS5603
SIOL-NET - Telekom Slovenije, d.d.
Last updated · Apr 4, 2026
Total prefixes
94
IPv4 prefixes
82
IPv6 prefixes
12
ASN summary
How to read the scale of AS5603
SIOL-NET - Telekom Slovenije, d.d. currently shows 94 prefixes and 80 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 AS5603?
SIOL-NET - Telekom Slovenije, d.d. 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 AS5603 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
AS5603 ASN lookupAS5603 BGPAS5603 peersAS5603 prefixesAS5603 upstreamsSIOL-NET - Telekom Slovenije, d.d. ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS21246
AS21246
—
AS34547
AS34547
—
AS198279
AS198279
—
AS205923
AS205923
—
AS34772
AS34772
—
AS200899
AS200899
—
AS21107
AS21107
—
AS43854
AS43854
—
AS6764
AS6764
—
AS41104
AS41104
—
AS57532
AS57532
—
AS28933
AS28933
—
AS207746
AS207746
—
AS16104
AS16104
—
AS44632
AS44632
—
AS197663
AS197663
—
AS212548
AS212548
—
AS43351
AS43351
—
AS42681
AS42681
—
AS24629
AS24629
—
AS8727
AS8727
—
AS20691
AS20691
—
AS29276
AS29276
—
AS31134
AS31134
—
AS44730
AS44730
—
AS48222
AS48222
—
AS48653
AS48653
—
AS49754
AS49754
—
AS58046
AS58046
—
AS197326
AS197326
—
AS199951
AS199951
—
AS25499
AS25499
—
AS41630
AS41630
—
AS57554
AS57554
—
AS202137
AS202137
—
AS198298
AS198298
—
AS15822
AS15822
—
AS41505
AS41505
—
AS214499
AS214499
—
AS57854
AS57854
—
Peers
AS5405
AS5405
—
AS3356
AS3356
—
AS9002
AS9002
—
AS6939
AS6939
—
AS3320
AS3320
—
AS6762
AS6762
—
AS8218
AS8218
—
AS48362
AS48362
—
AS31510
AS31510
—
AS51184
AS51184
—
AS40994
AS40994
—
AS47692
AS47692
—
AS6720
AS6720
—
AS59890
AS59890
—
AS13004
AS13004
—
AS47147
AS47147
—
AS35369
AS35369
—
AS34549
AS34549
—
AS34288
AS34288
—
AS49544
AS49544
—
AS3212
AS3212
—
AS35280
AS35280
—
AS34019
AS34019
—
AS3214
AS3214
—
AS35625
AS35625
—
AS8220
AS8220
—
AS15958
AS15958
—
AS8298
AS8298
—
AS34177
AS34177
—
AS41327
AS41327
—
AS6663
AS6663
—
AS43061
AS43061
—
AS14840
AS14840
—
AS34927
AS34927
—
AS13030
AS13030
—
AS29075
AS29075
—
AS29691
AS29691
—
AS6057
AS6057
—
AS198150
AS198150
—
AS212483
AS212483
—
Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 109.182.0.0/16 | AS5603 | — |
| 109.182.0.0/17 | AS5603 | — |
| 109.182.128.0/17 | AS5603 | — |
| 149.126.128.0/19 | AS5603 | — |
| 149.126.128.0/20 | AS5603 | — |
| 149.126.144.0/20 | AS5603 | — |
| 178.58.0.0/16 | AS5603 | — |
| 178.58.0.0/17 | AS5603 | — |
| 178.58.128.0/17 | AS5603 | — |
| 185.57.226.0/23 | AS5603 | — |
| 185.58.180.0/22 | AS5603 | — |
| 185.58.180.0/23 | AS5603 | — |
| 185.58.182.0/23 | AS5603 | — |
| 185.59.24.0/22 | AS5603 | — |
| 185.59.24.0/23 | AS5603 | — |
| 185.59.26.0/23 | AS5603 | — |
| 188.196.0.0/14 | AS5603 | — |
| 188.196.0.0/15 | AS5603 | — |
| 188.196.0.0/16 | AS5603 | — |
| 188.197.0.0/16 | AS5603 | — |
| 188.198.0.0/15 | AS5603 | — |
| 188.198.0.0/16 | AS5603 | — |
| 188.199.0.0/16 | AS5603 | — |
| 193.138.9.0/24 | AS5603 | — |
| 193.189.160.0/19 | AS5603 | — |
| 193.189.160.0/20 | AS5603 | — |
| 193.189.176.0/20 | AS5603 | — |
| 193.77.0.0/16 | AS5603 | — |
| 193.77.0.0/18 | AS5603 | — |
| 193.77.128.0/18 | AS5603 | — |
| 193.77.192.0/18 | AS5603 | — |
| 193.77.64.0/18 | AS5603 | — |
| 193.95.192.0/18 | AS5603 | — |
| 193.95.192.0/19 | AS5603 | — |
| 193.95.224.0/19 | AS5603 | — |
| 194.165.96.0/19 | AS5603 | — |
| 194.165.96.0/20 | AS5603 | — |
| 195.210.192.0/18 | AS5603 | — |
| 195.210.192.0/20 | AS5603 | — |
| 195.250.192.0/20 | AS5603 | — |
Related ASN pages
AS15169 · Google
A strong reference ASN for Google DNS, Google Cloud, and global network footprint analysis.
AS13335 · Cloudflare
Useful for analyzing CDN, Anycast, WAF, and large-scale edge network behavior.
AS8075 · Microsoft
Helpful when comparing Azure, enterprise backbone, and large-cloud routing patterns.
AS16509 · Amazon
A useful ASN landing page for understanding AWS and large cloud-network ownership.
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 AS5603 represent?
AS5603 is an autonomous system number used to identify an independently operated network. The current page associates it with SIOL-NET - Telekom Slovenije, d.d. 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 AS5603 page?
They help explain the scale, interconnection depth, and route structure of AS5603. 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 AS5603?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS5603, 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.