AS25251 — ARTCON-AS Alpha Online Team

Network type: residential

AS25251 announces 6 IPv4 prefixes covering 2,560 addresses and 0 IPv6 prefixes.

About this network

The AS handle ARTCON-AS is held by Alpha Online Ltd.

What it's used for

• The address space is registered under the netname RU-ALPHA-20020809 with registrant Alpha Online Ltd, indicating a dedicated corporate estate for the operator.
• The AS announces 2560 IPv4 addresses across 6 prefixes and maintains 11 observed neighbours, a ratio consistent with a regional access or ISP network rather than a transit provider.

Notable

• All six announced prefixes share the same netname and registrant, Alpha Online Ltd, confirming a unified ownership structure for the inventory.
• The address inventory consists of contiguous blocks within the 81.94.32.0/20 range, including a /22 and several /24s, suggesting a consolidated allocation for a single service provider.

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

Announced prefixes

• 81.94.32.0/23
• 81.94.35.0/24
• 81.94.37.0/24
• 81.94.39.0/24
• 81.94.42.0/24
• 81.94.44.0/22

Upstream networks

• AS50509 Transroute Telecom LTD
• AS35598 INETCOM CARRIER LLC
• AS62255 BiMajLink d.o.o.
• AS37721 Virtual Technologies & Solutions
• AS24482 SG.GS

Adjacent networks

• AS50509 Transroute Telecom LTD
• AS35598 INETCOM CARRIER LLC
• AS62255 BiMajLink d.o.o.
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions

Internet exchanges

• GNM Internet Exchange Amsterdam — Amsterdam, Netherlands