AS20657 — ATLANTIS Sofia, Bulgaria

AS20657 announces 5 IPv4 prefixes covering 2,048 addresses and 0 IPv6 prefixes.

About this network

ATLANTIS is operated by Atlantis BG Ltd., a Bulgarian internet service provider.

What it's used for

• The address space carries residential and business connectivity, evidenced by reverse DNS records like 131-64.atlantis.bg and netnames such as BG-ATLANTIS-20051129.
• The AS announces 2048 IPv4 addresses across 5 prefixes and maintains 12 observed neighbours, a ratio consistent with an access network providing last-mile connectivity rather than a transit provider.

Notable

• All registrants in the evidence pack are listed as ATLANTIS BG Ltd. or Abuse-C Role, aligning directly with the AS holder ATLANTIS ATLANTIS BG Ltd..
• The address inventory consists of five distinct IPv4 blocks, including /23 and /24 prefixes, with no IPv6 prefixes currently announced in the inventory.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 88.80.131.0/24
• 88.80.132.0/23
• 193.108.24.0/24
• 194.79.12.0/23
• 195.68.214.0/23

Upstream networks

• AS59900 Balkan Internet Exchange Ltd
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS47453 ITservice 2009 LTD
• AS34224 Neterra Ltd.
• AS6939 Hurricane Electric LLC

Downstream networks

• AS201114 AMK Drives and controls Ltd.
• AS47226 AKAT TECHNOLOGIES LTD
• AS43063 SOPHARMA JSCo

Adjacent networks

• AS59900 Balkan Internet Exchange Ltd
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS47453 ITservice 2009 LTD
• AS34224 Neterra Ltd.
• AS6939 Hurricane Electric LLC
• AS201114 AMK Drives and controls Ltd.
• AS43063 SOPHARMA JSCo
• AS47226 AKAT TECHNOLOGIES LTD

Internet exchanges

• Balkan Internet Exchange — Sofia, Bulgaria