AS43943 — KCM Non-ferrous Metals Smelter KCM SA

AS43943 announces 2 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

KCM is operated by KCM SA, a non-ferrous metals smelter located in Plovdiv, Bulgaria.

What it's used for

• The address space carries internal corporate traffic for the smelter, with netnames SPNET and KCM registered to A1 Bulgaria EAD Abuse and BTC IP ADDRESS SPACE administration respectively.
• The AS announces 768 IPv4 addresses across 2 prefixes (92.247.110.0/23 and 213.91.176.0/24) and maintains a single observed neighbour, indicating a small, isolated corporate network rather than a transit or access provider.
• Traffic from this AS consists of office workers and industrial control systems for the non-ferrous metals production facility.

Notable

• Registrants differ from the announcer; 92.247.110.0/23 is registered to A1 Bulgaria EAD Abuse while 213.91.176.0/24 is registered to BTC IP ADDRESS SPACE administration, suggesting leased or historically allocated space.
• The inventory is small and finely subdivided into two distinct blocks, consistent with an internal corporate estate segmented by site or function.

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

Announced prefixes

• 92.247.110.0/23
• 213.91.176.0/24

Upstream networks

• AS8717 A1 Bulgaria EAD

Adjacent networks

• AS8717 A1 Bulgaria EAD

Routing security

• RPKI: 2 valid, 0 invalid and 0 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-BTC-UP, AS-NETIX, AS-NETIX-NET, AS-NOVATEL, AS-RETN-ACTUAL-V4, AS-SPNET, AS57463:AS-NETIX-NET, AS8717:AS-A1BG.