Country
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ASN LANDING PAGE
AS43205
BULSATCOM-BG-AS - Vivacom Bulgaria EAD
Last updated · Apr 4, 2026
Total prefixes
16
IPv4 prefixes
15
IPv6 prefixes
1
ASN summary
How to read the scale of AS43205
BULSATCOM-BG-AS - Vivacom Bulgaria EAD currently shows 16 prefixes and 44 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 AS43205?
BULSATCOM-BG-AS - Vivacom Bulgaria EAD 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 AS43205 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
AS43205 ASN lookupAS43205 BGPAS43205 peersAS43205 prefixesAS43205 upstreamsBULSATCOM-BG-AS - Vivacom Bulgaria EAD ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Peers
AS3356
AS3356
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AS6939
AS6939
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AS9002
AS9002
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AS21215
AS21215
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AS12956
AS12956
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AS5511
AS5511
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AS5405
AS5405
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AS3303
AS3303
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AS34549
AS34549
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AS8758
AS8758
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AS20764
AS20764
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AS35280
AS35280
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AS59900
AS59900
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AS3214
AS3214
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AS34019
AS34019
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AS35625
AS35625
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AS33891
AS33891
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AS137409
AS137409
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AS29075
AS29075
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AS29691
AS29691
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AS34177
AS34177
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AS41327
AS41327
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AS48362
AS48362
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AS198150
AS198150
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AS8298
AS8298
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AS34927
AS34927
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AS6057
AS6057
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AS12779
AS12779
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AS39351
AS39351
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AS25091
AS25091
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AS37468
AS37468
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AS44901
AS44901
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AS553
AS553
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AS559
AS559
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AS3212
AS3212
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AS4455
AS4455
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AS5713
AS5713
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AS8529
AS8529
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AS12859
AS12859
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AS13237
AS13237
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 109.121.192.0/18 | AS43205 | — |
| 158.58.192.0/18 | AS43205 | — |
| 178.169.128.0/17 | AS43205 | — |
| 185.4.80.0/22 | AS43205 | — |
| 188.254.128.0/17 | AS43205 | — |
| 212.43.32.0/19 | AS43205 | — |
| 212.75.0.0/19 | AS43205 | — |
| 213.214.64.0/19 | AS43205 | — |
| 2a02:6800::/32 | AS43205 | — |
| 37.143.192.0/18 | AS43205 | — |
| 46.237.64.0/18 | AS43205 | — |
| 46.40.64.0/18 | AS43205 | — |
| 46.40.75.0/24 | AS43205 | — |
| 46.47.64.0/18 | AS43205 | — |
| 91.139.128.0/17 | AS43205 | — |
| 93.155.128.0/17 | AS43205 | — |
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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 AS43205 represent?
AS43205 is an autonomous system number used to identify an independently operated network. The current page associates it with BULSATCOM-BG-AS - Vivacom Bulgaria EAD 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 AS43205 page?
They help explain the scale, interconnection depth, and route structure of AS43205. 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 AS43205?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS43205, 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.