AS57120 — TMK-AS TMK Ltd

AS57120 announces 1 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

TMK-AS is operated by TMK Ltd.

What it's used for

• The address space carries corporate infrastructure, evidenced by the netname TMK-NET and reverse DNS entries pointing to f72.ru.
• The AS announces 512 IPv4 addresses across 1 prefix with 2 observed neighbours, indicating a small-scale internal corporate estate rather than a transit or access network.
• Traffic from this AS consists of office workers and internal systems for the pipe metallurgical company, supporting its industrial operations.

Notable

• Registrants agree with the announcer, with TMK Ltd listed as the registrant for the TMK-NET block.
• The address inventory consists of a single /23 block, which is finely subdivided for internal use.

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

Announced prefixes

• 91.230.226.0/23

Upstream networks

• AS13259 Delta Telesystems Ltd.
• AS15493 "Russian company" LLC

Adjacent networks

• AS13259 Delta Telesystems Ltd.
• AS15493 "Russian company" LLC

Routing security

• RPKI: 0 valid, 0 invalid and 3 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-HURRICANE, AS-RETN-ACTUAL-V4, AS-RULINK, AS-RUSCOMP, AS3491:AS-CUSTOMERS-EU, AS41194:AS-RASCOM.