AS41475 — SDK-AS Atmospherica

AS41475 announces 4 IPv4 prefixes covering 1,792 addresses and 0 IPv6 prefixes.

About this network

SDK-AS is the autonomous system for SDK Ltd., a Russian entity operating a corporate network.

What it's used for

• The address space carries corporate infrastructure, evidenced by the netname SDK-NETWORK and reverse DNS entries pointing to sdk.ru.
• The AS announces 1792 IPv4 addresses across 4 prefixes and maintains 2 observed neighbours, a ratio consistent with an internal corporate estate rather than a transit or access provider.
• Traffic from this AS represents internal corporate operations for SDK Ltd., a manufacturer of electronic connectors and modules that maintains R&D activities in Russia.

Notable

• All four announced prefixes share the netname SDK-NETWORK and registrant ABUSE DEPT, aligning with the AS holder SDK Ltd.
• The address inventory is compact, consisting of one /22 and three /24 blocks within the 89.20.0.0/16 range, indicating a focused internal network footprint.

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

Announced prefixes

• 89.20.32.0/22
• 89.20.36.0/24
• 89.20.41.0/24
• 89.20.42.0/24

Upstream networks

• AS62314 Atmospherica Ltd.
• AS3216 PJSC "Vimpelcom"

Adjacent networks

• AS62314 Atmospherica Ltd.
• AS3216 PJSC "Vimpelcom"

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 1 route objects.
• Listed in as-sets: AS-EMIX, AS-HURRICANE, AS-RETN-ACTUAL-V4, AS-SDK, AS-TRANSROUTE-SPEC, AS209141:AS-RUCUST.